Spears Racing Titanium Disc Rotor bolts: A must for any racer or those who simply wish to replace rusty originals! A replica of manufacturers original design but in superior quality material. Our Titanium 6AL-4V (grade 5) bolts are highly corrosion resistant, extremely light (40% weight saving!) and with rolled threads offers excellent strength and quality.Set of (8) bolts
SP400-Rotor Bolts $90.00/set
Spears Racing's Aluminum Windshield Wellnuts and Anodized Screws Kit BlackScreen Screw Kit allows you to personalize your motorcycle with anodized screen screws,plastic washers.Complete the look of your fairing with a Spears Racing Aluminum Screen Kit These Kits contain bolts, nuts, anti-scratch washers to fit around your screen and compliments our fairing kit.( Installation tool included)
Manufactured using high tensile anodized aluminum
• Thread Pitch 0.80
• Thread Diameter 5mm
• Allen Key size 3mm
• Dome Head
• 4 pack
SP400-Windscreen bolt kit Black Silver $9.99/Kit
Brembo Caliper and Mount:By meticulously selecting the materials used, Brembo can achieve ever higher standards in terms of technology and quality, which translate to superlative performance and outstanding reliability and safety. These products make the benefits of Brembo's extraordinary wealth of technical expertise available to owners who want to enhance the character and performance of their motorcycles with track-proven components.SPECS:Piston: 2 x 30 / 2 x 34 mm,Mounting distance: 40mm,70 bar pressure capacity,Weight 880 grams,4,0 - 5,0 mm disk thickness cast,Tolerance for brake disc position: ± 0,7mm,Color: gold
SP400 Brembo Caliper/Mount $349.99/ea
Ignition Key Switch Eliminator : This Key Switch eliminator lets you remove your stock ignition switch saving weight where it counts - up high! Removing your stock ignition will also free up valuable space for steering dampers and lap timers. The things you need go in the space you save. The best thing about our Key Switch Eliminator is the ability to simply "Plug and Play". It installs in seconds and requires no modifications to your stock harness - no need to cut any wires! This means easy re - installation of stock components down the road.
SP400-Switch Eliminator $59.99/ea
American manufacturer for quality this racing clutch kit has an 80% increased clutch tab thickness. This means the American made plates have maximum high performance durability. The clutch plate cores are CNC machined from 6061-T aluminium, allowing the drive tab width to be increased for better wear and minimal impact on clutch baskets. (184 gms)
These clutch spring have an increase of pressure and allow less high RPM Slippage .
EVR CTS (Constant Torque System) Slipper Clutch for Kawasaki EX 400: This Patented technology is made from 70/75 Aluminum and is hard anodized to reduce friction, wear, and it's weight saves pounds of rotating inertia. Which allows your engine to rev faster and reduce rear wheel hopping under rapid deceleration for perfection in corner entry. This clutch greatly reduces stress on your drive chain, increasing its life, and preventing catastrophic failures Suitable for Racing, Track, Uses original friction plates, drive plates, and basket.
*** EVR Slippers are used in WSS300, MotoAmerica and BSB Junior Supersport Class***
SP20-400 EVR Slipper $799.99/Ea
HM Plus: This is designed to simply be plug and play. Each HM Product is designed to be simple to install, so there is no need for costly fitment or dyno setup time. HM PLUS Features at a glance:• Plug and Play• No moving parts• Small LCD Display• No tuning needed • Programmable Kill Time, and Sensitivity• Programmable Shift Direction• Full one Years warranty and HM Technical Support
HM Plus Ninja 400 $489.99/ea
Spears Racing Titanium Caliper Bolts: Our 'Race Spec' bolts are machined pre-drilled (1.6mm) on all flats to allow for ease of lock wiring - by reducing the socket size, scooping out the head and pre drilling our bolts they are 45% lighter than steel equivalents Produced in Grade 5, 6AL-4V Titanium providing strength and corrosion resistance. (Set of (2) Two)
SP400-Caliper Bolts $30.00/set
Spears Racing's 415 drive chain conversion kit:for the Kawasaki EX400. This kit will reduce your unsprung weight/rotational mass by over 3lbs.Spears Racing 415 Drive chain kit is used by several WSS300 teams BSB JuniorSS,MotoAmerica Junior Cup as well as hundreds of race teams around the world.Since the inception of this amazing product Spears Racing riders have been able to set several track records along with winning several class championships and National #1Plates. ****Stock Gear Ratio 14/41= 2.92 415= 18/53 =2.94****
415 Drive chain: Used in WSS300,BSB Junior SS,MotoAmerica Junior Cup
The EK415R chain has a tensile strength of 4,610 (2.0128 oz/913g) for a 415 chain. SP04-400 EK415R $99.99 ea
The DID 415ERZ chain has a tensile strength of 4,540 lbs ( 1 lb. 15.7 oz./898.6g ) SP04-400 DID $99.99 ea.
The steel counter shaft sprocket is a replacement sprocket for the Kawasaki ninja 400cc it is drilled to be the lightest steel sprocket on the market (sprocket weights 4.6oz./130 Gms. 18 Tooth) SP04-400 CS 17t 18t 19th$49.99 ea
415 Rear Sprocket is made from the highest grade aerospace quality 7075-T651 aluminum and weighs (9.64 oz./274g depending on tooth count) it is Machined not Stamped,this way you need not to worry about it being " True to the alignment" of your chain and front sprocket (no wobble). *** Lightest Rear 415 Sprocket on the Market Made in the USA ***
When making your choice for the Kawasaki you can go with the this will be the closest to the OEM gearing
45t 46t 47t
48t 49t 50t 51t 52t 53t 54t
55t 56t 57t 58t 59t 60t **Chain Breaker Tool HERE** All Spears Rear Sprockets are $70.00/ea
DID Rivet Style Master Link $4.00
Öhlins NIX 22 Cartridge Kit: is based on experienced learned through decades of testing and racing in high tier championships. The kit delivers loads of performance with stable damping characteristics while ensuring great comfort, contributing to rider confidence. The NIX 22 is developed to increase performance for light weight sport bikes and street bikes.
The Kit has the Öhlins proven “NIX” design which features compression damping in the left leg and rebound damping in the right leg. This allows for a more precise function and stability. Adjustments are made at the top together with the spring preload and the cartridge system fits bolt-on and is easy to install in standard front forks.*External Compression & rebound adjustment* External preload adjustment
*22 mm piston diameter* Range of springs available
SP30-400K Öhlins Spring Kits $100.00 $699.99/kit ***SPRINGS FOR RIDERS WEIGHT ARE NOT INCLUDED CALL FOR CORRECT SPRING***
Spears Racing Lightweight Aluminum Voltage Regulator Relocator: This unit will allow you to move the location of the voltage regulator from the outside of the front fairing stay.This will allow the regulator to not be hung out in a left side crash.You will also need to work the wiring harness to the new area.typically installed in 10 minutes(with body work off)
SP400 Regulator mount $49.99/ea
Spears Racing's windscreen derived from competition. Its double height diminishes the air pressure to the helmet. Made of High Impact acrylic, resistant and durable. Round finished edge.
The windscreens have been tested through our racing efforts which improve the aerodynamic coefficient and wind protection on an upright position with a 12.7% average compared to the original. And a 61% average on a racing position.
Rev2 Throttle:New ultra compact housing with snap-together elbows make it easy to install and change reels, Sleek new design requires less handlebar space for lever clearance and throttle position use smaller reels for slower throttle rate and larger reels for faster throttle rate Included cam reel provides progressive throttle response preferred by some riders. Unique reel design allows fast reel changes Cable boot keeps dirt and dust out for reliable and smooth operation Billet aluminum in-line cable adjusters for easy installation and adjustment
Start/Stop Ignition Switches: are designed to take the place of the standard right hand switch when being replaced with a Quick Action Throttle or stand alone(OEM).The switch comes to you as a "Ignition by~pass" no more need to purchase an additional key switch eliminator this is a Plug n Play install.(Race Use Only)
SP19-400 Switch $99.99
Lacomoto's all new Kawasaki Ninja ex400 Race Bodywork:Includes considerably reinforced upper, tail section and belly pan.
Lacomoto race bodywork is exceptionally engineered and is extremely light, while remaining remarkably strong and flexible. All hardware mounting points are pre-drilled and all stress and mount areas are reinforced with carbon fiber. Kits come finished in a black gelcoat ,white gelcoat upon pre payment. This kit allows you to retain your OEM windscreen, or use most aftermarket units.
- Side Panels (2)
- Secondary side panels(2)
- Belly Pan
- Tail and Suport
- Seat Foam/Pad
- All Hardware
Kit weighs between 3kg-3.5kg
Fairings are pre-drilled and come fitted with Dzus fasteners
Complete kits come with the seat foam
Carbon/Kevlar reinforcement at mounting points
Finished in black gel coat ready for painting
SP400 Racing Body Kit $849.99/ea
Spears Racing Billet Fuel Cap:Quick Release Fuel Gas Caps are for the (2013/2016 These caps are machines to the tolerances set by Spears Racing and made from 6061 Aluminum,each with there own sealing "O" ring and mounting hardware. Available in Black (Finished with Anodize Coating) and has the Spears Racing Logo Laser Etched. Used in FIM WSS300
SP400 Fuel Cap Available soon $89.99/ea
2018 NINJA 400R: Drop in High Compression piston kit Machined from 2618 T6 high tensile forged aluminum Dome features smooth flowing radius,under crown machining to lessen the overall weight,Anti Det. Grooves,Acc Grooves,Double Broach Grooves for extreme applications including professional competition Rings, Pins and Wire locks are included in the kit.Comp Ratio 13.0:1.
SP01-400 Available soon
Galfer Full floating Rotor: To ensure optimum brake pad-to-rotor contact. Every high-quality, Galfer-patented Wave® rotor is made from a proprietary mix of virgin high carbon 420 stainless steel, laser cut (never stamped), double disc-parallel ground to assure perfect parallel flatness and heat treated to each specific application. KBA and TUV approved. Seamlessly replaces stock rotor.
SP27-400 Galfer Galfer Pads $39.99/set $309.00/ea
Spears Racing Folding & Adjustable & Expandable Levers:CNC Machined Billet (6061 Aluminum ) Motorcycle Brake and Clutch Levers. These Levers are Foldable, Expandable, Adjustable, Replaceable and Extremely Affordable. The levers can be 90 degrees folded up, feature minimizes the possibility of breaking a lever in the event of a crash. Extendable lever tip can go from full length to short or anywhere in between.Fully adjustable(6 positions),Fully extendable(2 or 4 fingers),Available in Black
SP400 Lever Set $89.99/set
High Lift Roadracing Cams Hard Weld: Spears Racing camshafts are developed through countless hours in the dyno room, racetrack, and CNC cam grinding machine. Spears racing camshafts are welded up and reground with the reliability and precision you come to expect. Spears Racing camshafts give the racer improved midrange and top end Horsepower, without sacrificing low end rideability.
SP17-400 Available soon
Andreani Hydraulic Cartridge Kit:Cartridge fork kit has been developed by Andreani Group and equipped with a sophisticated hydraulic system which guarantees exceptional performance in cornering and braking. These 20mm diameter pistons with oil passages increase adjustability in compression and rebound damping. Spring preload is adjustable by turning the pre-load cap. The cartridge kit comes complete with the correct springs that are established prior to purchase based on the weight and the rider’s style/type of track. Andreani Cartridges are Diamond Carbon Coated (DLC) is the ultimate performance coating.
Spears Racing Aluminum Swingarm Spools: Spears Racing is known worldwide for our attention to detail. Our stand spools are a product that not only looks like a work of art, is functional too. Made from 6061 T-6 billet of aluminum, then undergoes a special recipe of anodizing The grooves on these spools at the point of swingarm stand contact are deep so the engagement is solid, which makes it impossible for your bike to fall off the stand under normal use.
SPSwingarm Spool Kit $24.99/set
The M4 Kawasaki Ninja 400 Full Exhaust System takes the performance of the 400 to the next level.With this system there is a weight savings of 5.9 lbs, (Stock System 13.15 lbs.) vs. (M4 Full System 7.25 lbs.) which helps to lower the already light weight a bit. To mount the canister M4 includes a carbon strap and a race mount bracket with this system if you would like to remove the rear passenger pegs, installation of this bracket is optional if you prefer to keep the passenger pegs on the bike.
X-96 Carbon Fiber Canister
Saves 5lbs over stock
Comes with race bracket and rear brake reservoir relocation bracket
Comes with M18 02 bung for use of aftermarket fuel controllers
Stock db is 87 @ 6,000 rpm / M4 db is 99 @ 6,000 rpm
10% increase in performance
SP400-M4 Full Exhaust System $674.10/ea
Lighten Aluminum Fairing Stay: This is a purpose built aluminum lighten race fairing for the Kawasaki 400, this is made from 6061 T6 and will bolt onto your current 400cc you will be able to mount the OEM gauge cluster and bodywork this is used @ the WSS300 level
SP400-Fairing Stay $169.99/Ea
Sp-Lever Guards: Lever Guards are designed to keep other riders from accidentally making contact with your brake or clutch lever during close racing.Front brake and clutch lever guards machined from 6061 T6 Aluminum fits any 7/8"(22mm) handlebar and clip-on with 13mm,.0625 and 18mm inner hole. The aluminum guards are bolted to a CNC-machined aluminum base that is adjustable for length to accommodate a range of brake and clutch levers. Easy to install,quantity 2 pices (brake and clutch side). Color black.
SP-Lever Guards $109.00/set
Carrillo "H" Beam Rods: Fatigue is the major cause of connecting rod failure. At Carrillo Industries, they use proprietary steel,
manufactured and forged to their own custom specifications.These connecting rods are fully machined to guarantee the removal of all surface imperfections in the forging. After heat treatment, each connecting rod is 100% magnaflux inspected and hardness checked, then machined to final size. Each set of rods is balanced and then shot peened to achieve the ultimate in strength and fatigue properties
SP07-400 Available soon
Spears Heavy Duty Detent Spring :This spring will allow a quicker and easier way of shifting, perfect for track use and road riding for effortless downshifts into a corner. Missed shifts virtually disappear! And the speed at which the gears actually engage is dramatically improved. The spring will give you more confidence and has been race track proven by several AFM, CCS, WERA and WSMC racers.
***Used In FIM WSS300, Moto America Junior Cup,BSB Junior Supersport***
Spears Racing Titanium Complete Kit: This is a kit of the above 4 items (22 Pieces), this is a must for any racer or those who simply wish to replace rusty originals! A replica of manufacturers original design but in superior quality material. Our Titanium 6AL-4V (grade 5) bolts are highly corrosion resistant, extremely light (40% weight saving!) and with rolled threads offers excellent strength and quality.
SP400 Titanium Kit $189.99/set
Woodcraft is proud to present our Ninja 400 clipons. We worked hard to develop a set of clip-ons to fit this bike perfectly. A simple re-positioning of the brake line is necessary on this model. The instructions, including a photo, require no cutting or permanent removal of parts. The Ninja 400 clip-ons feature a 2 1/2" riser that eliminates interference issues with the bodywork and fuel tank, while getting the bars as low as possible
Spears Racing Magnetic Motorcycle Drain Bolt: Pre-Drilled all sides (hexagon) for Safety wire. Lightweight aluminum construction in an anodized Signature “Spears Racing Logo”. The drain bolt has an Embedded Magnet which holds metal engine shavings to keep your oil clean. Includes Aluminum crush washer for Proper Installation.
M12 X 1.5
Embedded magnet helps keep bolt in place
Predrilled holes all sides (hexagon) make for easy installation of safety wires
SP-Drain Bolt $22.99/ea
Samco Sport Hose Kits: SamcoSport has been the world leader in Performance Silicone hose for over 10 years, supplying Formula One, NASCAR, and World Super Bike teams and our range of replacement hose kits, race parts and accessories is second to none. Samco Sport can offer you the best quality silicone hoses, for exceptional performance, and guaranteed reliability
SP38-400 Black Clamps $15.99/set $73.99/Set
Dyno Jet Power commander: PCV is less than half of the size of PCIII,USB powered from computer, 2 position map switching function built in (map switch not included),Gear/Speed input (allows for map adjustment based on gear and speed), Unit has a -100/+250% fuel change range (up from -100/+100%). This allows more adjustment range,10 throttle position columns.
Quick Shift Sensor STD $219.99 Quick Shift Sensor GP $219.99
Spark Exhaust :Spark Italy Kawasaki Ninja 400 Titanium (Can) "Konix" Full Exhaust. Handcrafted in Italy, Approximately 6.85 lbs, Dyno Tested for maximum horsepower increase over stock, 108 db. Designed for Maximum Performance, Looks, Weight Savings, and a Rich Deep Sound only possible through the Passionate Way of Italian Work. Each Spark project starts with the development of drawings and the creation of prototypes undergoing many tests. Then, Spark produces in-house all molds and toolings for the production of every single component of the exhaust, so as to assure constant control and high quality standard to the final product.Each Spark exhaust system is unique, specifically designed and manufactured for each single motorbike. Collectors’ and silencers’ shape, diameters, fittings and many other details are designed in order to enhance the line and the performance of each model.
Ceramic Bearing Transmission Kit: This is a set of 2 ceramic transmission bearings for the Kawasaki EX400. It will allow your engine to have approximately 3 times less the normal coefficient of friction, and are 60% lighter than the steel OEM bearings. This style of bearing has been used in AMA factory bikes for the past several years.
Spears Racing Mirror Covers:Machined From 6061 Billet Aluminum these plates are designed to replace the mirrors from the upper fairing, they can be used on street bikes(with different mirror placement or on all race bikes once you install your new race bodywork.CNC Machined.
T6061-T6 CNC Aluminum Alloy Anodized Surface Finish Dimensions are 6.6cm x 2.4cmx 1cm/2.59'' x 0.94'' x 0.39'' light weight (65Grams per kit).
Sp400 Mirror covers $24.99/kit
Adjustable Rearset by CFM/Woodcraft Black They are made from tough, aircraft grade 6061 T6 Aluminum and are much stronger than the OEM brackets. This kit is designed for the new EX400 to give you the optimum foot position and ground clearance for racing. This kit offers 12 positions adjustability from 25 to 50mm up and 35 to 54mm back. Will come with an intergrated shift heel guard.
Side Stand By Pass Plug: This plug will allow you to remove your Side stand (Kickstand) and by pass the side stand lock out circuit this is a cleaner and professional way,Water Tight to not allow corrosion to the terminal plug and is a must for all race bikes simple plug n play.
SP-Side Stand By Pass $15.00/ea
Brake Tech:This patented design has the floater buttons controlling radial and axial float only, they are non-load bearing. All of the considerable braking forces are channeled through the trademarked Direct-Link architecture comprising over an 800% increase in surface area load transfer as compared to conventional floating brake rotors...simply a far superior design!
Additionally, the units for the new 400 Ninja are manufactured at a full 5mm thick Supersport spec rather than the thinner spec of the standard rotors, this offers substantially improved performance in terms of both modulation at the lever and overall braking power via greater thermal capacity.
SP27-400 Brake Tech $329.99/ea
Fuel Tank Foam:It’s no secret. This type of anti slosh foam has been used in high performance applications for decades. The only problem is that not a lot of people know about it. Imagine being able to install something on/in your Motorcycle that will immediately impact its performance. And it’s simple, takes roughly 10 minutes to install and is virtually maintenance free. These Foam kits go right into the fuel tank/fuel cell and eliminate fuel slosh during extreme applications. By eliminating the surge, the vehicle becomes more stable in high performance applications – THESE KITS ARE PROBABLY THE MOST INEXPENSIVE MODIFICATION YOU CAN DO WITH IMMEDIATE RESULTS. ( 2 Gallon Kits typically one per Motorcycle)
SP-Fuel Tank Foam $25.00/Kit
Emission Block off plates:Spears Racing Smog Block Off Plates for Kawasaki EX400 model. Spears Racing Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS). The air induction system (AIS) burns unburned exhaust gases by injecting fresh air (secondary air) into the exhaust port, reducing the emission of hydrocarbons. Once these are capped off the air injection system can be safely removed. These Smog Block Off Plates are CNC'ed billet aluminum and feature the Spears Racing logo.
Ceramic Wheel Bearings: The ceramic balls in these hybrid bearings are over 60% lighter than their steel counterparts resulting in faster acceleration and reduced inertial loads.Low Friction-Less Vibration the coefficient of friction for the ceramic balls is an average of 3x's lower than steel. When you combine this with the high tolerances for roundness you get a bearing that dramatically lowers vibration levels and produces more horsepower. (set is front and rear rims) the kits can be purchased separately or as one complete kit. Front Bearings $100.00 Rear Bearings $150.00 Complete Kit $250.00
SP400 Ceramic Bearings
Spears Racing Titanium 10mm x 1.25 Sprocket Nuts: A must for any racer or those who simply wish to replace rusty originals! A replica of manufacturers original design but in superior quality material. Our Titanium 6AL-4V (grade 5) nuts are highly corrosion resistant, extremely light (40% weight saving!) and with rolled threads offers excellent strength and quality.(Sold Each or set)
SPTitanium Nuts $5.00/ea $30.00/set
Spears Rear brake lines: reduce line swell for better performance and a more consistent feel. Expansion reduction translates into greater durability and increased longevity. Banjo fittings . Spears lines are designed and manufactured in the USA and carry a lifetime warranty.Kit comes with crush washers, and banjo bolts Line is Black only
Sp28-400 Rear Line Kit $54.99/kit
Superbike Brake Lines: This kit has a Dash 3 inner Features 16 braided lines of steel around the inner teflon, and all lines are coated with PVC protective coating. Also prevents scratches on the bike and keep fluid from being affected by humidity. Threads directly into calipers without use of banjo bolts, allowing for smoother and more effective flow of brake fluid. Provides stronger lever feel and quicker stopping power because it creates better pressure to the caliper.Used in FIM World Supersport 300
SP28-400 Superbike $69.99/ea
MWR Full Race airfilter: The filter is developed on the track , NOT on a dyno but in real life. No different fuel-mappings between cylinders are needed. It makes the bike stronger but smoother.
Caution : The Full Race airfilter protects for 100% but for a short period of time , check after each race weekend your filter.Make sure you start each race weekend with a well oiled filter .
Öhlins Rear shock: is developed from knowledge gained from top-level factory race teams around the world. Superior construction, superior materials and superior engineering skills give you the best quality shock on the market. The shock body is precision-drawn steel with an aluminum shock reservoir. These race shocks feature lightweight, high strength aluminum shock bodies with (“piggyback”) reservoir . Springs are chrome silicone. All aspects of basic shock setup and performance are thoroughly tested to ensure the shock performs flawlessly. Ohlins shocks are 100% rebuildable so you get lasting quality - you can readjust, re-shim, and overhaul/rebuild the shock for years of peak performance. 36mm shock piston diameter,specifically made for lightweight bikes,Reservoir is extension of shock absorber body,Adjustable rebound and compression damping,Adjustable shock length.
SP400- Öhlins Rear shock $775.00/ea
Spears Racing Titanium Sprocket Stud Kits: M10x1.50 This is a kit of 6 sprocket carrier studs, this is a must for any racer or those who simply wish to replace rusty originals! A replica of manufacturers original design but in superior quality material. Our Titanium 6AL-4V (grade 5) bolts are highly corrosion resistant, extremely light (over 50% weight saving per piece!) and with rolled threads offers excellent strength and quality. OEM WEIGHT 25g ea/Titanium 12g ea
SPTitanium Stud Kit 400 $59.99/set
Nitron Racing Shock: The Brand new Kawasaki Ninja 400 is the latest bike to receive this attention from Nitron. Extensive road and track testing and development has resulted in some very impressive improvements which Nitron is now able to offer in the NTR R1, R2 and R3 configurations.
Even the entry level NTR R1 offers a revised spring rate with preload adjustment, combines with a one way adjustable mono-tube gas shock. If you chose the higher specification NTR R3, then you will also benefit from a 3 way adjustable shock which will give a wide range of independent adjustments for rebound as well as high and low speed compression settings.
Entry level NTR R1 $699 Intermediate NTR R2 $975 Top line NTR R3 $1200
Spears Racing Pressure Radiator Cap: This is the simplest and most inexpensive way to reduce your motorcycle from boiling over.
The High Pressure Radiator cap raises your cooling system’s maximum operating pressure and therefore raises the boiling point of your coolant. This is a perfect upgrade for most motorcycle radiators with stock 1.1 caps.Higher pressure radiator cap increases the boiling point of your coolant to reduce boil over problems on your motorcycle.Raises the boiling point by 25 degrees when going from a stock 1.1 kg/cm2 (15.7 psi) radiator cap to the 1.6 kg/cm2 (22.8 psi) radiator cap.
SP Radiator Cap $29.99/ea
Spears Racing EX400 oil pump relief spring: 1.5kg /3.3lbs. of oil pressure at 4000rpm with the OEM Relief spring.The new Spears Racing spring we got 3.8kgs/8.37lbs. of oil pressure at 4000 rpm.This Custom spring has been reset to produce greater pressure. The spring does not require specific shim just reuse the OEM washer with the clip as per manufacturer procedure. Spring is made of Carbon & Exotic steel that give a yellowish color.
SP-Oil Relief Spring $39.99/ea
Spears Racing High Compression Head Gasket: This gasket is custom made to Spears Racing Specifications it will increase your stock Compression to allow better off the corner power (Per FIM Supersport300/Motoamerica Rules) and increase your RWHP.The thickness is .010/0.254mm and made thinner than original gasket to get more powerful racing.This cylinder head gasket is for racing purpose only.
***Used In FIM WSS300,Moto America Junior Cup,BSB Junior Supersport***
Clutch By Pass Plug: This plug will allow you to remove your current turn signal housing assembly(left Handlebar Assembly) and bypass the clutch lock out from the factory. simple plug n play.
SP-Clutch By Pass $15.00/ea