Spears Racing Valve Spring Kit: This is a set of 8 valve springs, these springs have been tested on the dyno,and when installed they will add more seat pressure @ installed height. ( use with the SP18-650 camshafts)                                   SP10-300                                                                           $195.00/set
 Fitment:
 2014-2016 Kawasaki Ninja 300   
See in kawasaki 300 parts list  
                                                   
  

                                      

​Newest Products

 Spears Racing Engine Crank Cover Set Protector Guard for 14-17 YAMAHA YZF R25 R3 MT-03

 DescriptionFeatures:
 Revolutionary new tough, high-impact composite material made from 60% Long Glass Fibered Nylon
 Bolt on product, allowing fast and easy removal and/or replacement
 Designed with aesthetics in mind, and priced to be competitive with the existing products on the market
 Designed to be installed over your existing OEM engine cover. Not a replacement cover.
 Set includes Stator/Alternator cover, Clutch cover, Water pump Cover (three pieces total) and mounting Hardware.

 Easy installation - covers fit over existing aluminium engine case end with simple 3 or 4-point screw fixing  (high  quality replacement steel bolts/washers, new WP Crush washer and fitting instructions included).
 Fitment:
 2014-2016 YAMAHA YZF R25 R3 MT-03                                                      
  $189.99/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 our own custom specifications. After experimenting with virtually every other reasonable material, we have found this chromium / nickel / vanadium / molybdenum FORGED alloy to be the best product to meet our stringent requirements for strength and durability.Our 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.                                                                                        
          SP08-300                                                                                          
$756.00/set
 Fitment:
 2014-2016 Kawasaki Ninja 300   
See in Kawasaki ex300 parts list  
                                                   
  

                                      

                    High Compression Head Gaskets for Kawasaki EX300

 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 Rules) and increase your RWHP.The thickness is  made thinner than original gasket to get more powerful racing.This cylinder head  gasket is for racing purpose only.

​        SP15-300                                                                             $79.99


                     High Compression Head Gaskets For the Yamaha R-3

 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 Rules) and increase your RWHP.The thickness is  made thinner than original gasket to get more powerful racing.This cylinder head  gasket is for racing purpose only.

​        SP15-320                                                                             $79.99


 Spears Racing Drop In high Comp Kit 320cc : This is the new FSR Slipper Skirt forging Piston. Drop in high compression kit includes pistons, rings, lighter wrist pins, cir clips . The compression is 13 to 1. At the forefront of performance, piston manufacturing has been a result of continuous research and development of unique materials, piston designs and technologies. Utilizing State of the Art CNC machines for manufacturing, along with purpose-designed forgings, while being able to maintain exacting specifications on each and every piston - holding tolerances to millionths of an inch.                                                                                            
          SP01-320                                                                                          
$475.00/set
 Fitment:
 2014-2016 YAMAHA YZF R25 R3 MT-03  
See in R3 parts list                                                      
  


                                      

    Welcome to the "Newest" Products page, here you will see what Spears Enterprises/Spears Racing has been working on. As an industry leader in Lightweight Twins/Sportbikes we are listening to you, the street rider, track day person and the serious racer . We felt the need to put all of the newest products on one page, also you will be able to purchase these  in each designated bike section.

 Bored Yamaha R-3 Throttle Bodies:Spears Racing’s Preparation of the High Flow Throttle Bodies is a multi-step process that  includes:boring, custom fit CAD designed throttle blades, reducing shaft profile (If needed), installing button  head screws,milling topside and tumble polishing. By increasing air flow up to as much as 15 %, our throttle  bodies improve low-end and mid-range power. This increase is immediately noticeable to the Racer/Rider.


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