Kawasaki Ninja EX300 Drop In High Compression Piston Kit 2013/2017


 Anti Det. Grooves, Acc Grooves, Double Broach Grooves for extreme applications 

5 in stock


Spears Racing’s High Compression Pistons EX300 kit This is the new 2 Ring FSR Slipper Skirt forging Piston. Drop in high compression kit includes pistons, rings, lighter wrist pins, cir clips . The compression is 13 to 1. 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.

Spears race pistons with the State of the Art CNC Machining and manufacturing alliances with CP Carrillo for decades.Spears Racing continuous committed to excellence to advance as the industry changes. This commitment has resulted in more forgings specific to certain applications, proprietary treated wrist pins and piston rings manufactured only for us. Each of these aspects has been put through stringent research and development stages to ensure that our product will exceed your standards.

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

Spears Racing Piston Kits have been winning races and Championships all over the world for over 4 decades.Spears Racing pistons have been in several of the race wins in close course racing and in road circuits in Europe and has won the Isle Of Man TT Twins several times.

“Preferred Performance” Pistons Kits By Spears Racing

 High Compression Pistons EX300 Includes the Following:

Large Valve Pockets for 1mm over valves
Pistons x 2
Wrist Pins x 2
Piston Rings x 2
Cir Clips x 4

Detailed install specification sheet.

Weight 3.0 lbs

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