Tusk has taken a brand new OEM Cylinder Head and modified it for your benefit! This head has been milled down .015” for higher compression which improves low-mid range power,...
Special Notes: Please measure your cylinder to check clearance before ordering. High quality, durable, Proven performance race piston. High compression piston with skirt coating and DLC coated wristpin. Machined from...
Special Notes: Please measure your cylinder to check clearance before ordering. The Vertex Piston Kit includes, piston, rings, wrist pin, and circlips. Standard pistons and components are OEM replacements. All...
Details Special Notes: Please measure your cylinder to check clearance before ordering. Combining the best of piston and cylinder knowledge, the Cylinder Works Standard Bore High Compression Replacement Vertex Piston...
Details +5mm long rod performance pistons for use only with the Hot Rods Stroker Bottom End Kit or Hot Rods Stroker Crank. The Vertex Stroker Piston Kit includes; piston, rings,...
Details Special Notes: Please measure your cylinder to check clearance before ordering. Forged pistons for optimum performance, with over 25 years of experience in the racing industry. Piston Kit includes...
Details Special Notes: *8.74mm Lift / 253.5° Duration.*Includes auto decompression mechanism. New camshafts (not reground), no core required. Utilizes stock valve springs and rockers in most cases. Three stages available...
DetailsSick of doing valve adjustments yet? You’re not alone. Pick up a Steel Intake Valve Kit from Pro X for some valves that will last a seriously long time without...
Details Special Notes: Please measure your cylinder to check clearance before ordering. The Tusk Piston Kit is a direct OEM replacement to your worn out standard OEM piston. Built to...
Details Special Notes: Notes for Kit: Vertex Stroker Top End Piston Kit Standard (63.95 mm) Please measure your cylinder to check clearance before ordering. Notes for Kit Item: Vertex Stroker...
Details Special Notes: Please measure your cylinder to check clearance before ordering. Wiseco introduces the Racer Elite series pistons. The pistons were designed for the serious rider or racer looking...
Details Special Notes: *Intake - 9.1mm. Lift / 238° Duration. New camshafts (not reground), no core required. Utilizes stock valve springs and rockers in most cases. Three stages available for...
Special Notes: Cylinder head only. Required Combustion Chambers 150275 sold separately. The all-new Factory Cylinder Heads are a must for the serious racer and two-stroke tuner. With variable combustion chamber...
Details Special Notes: Please measure your cylinder to check clearance before ordering. Count on the Yamaha GYTR High Compression Piston Kit to put up a 1.5 to 3 hp increase...
Special Notes: Please measure your cylinder to check clearance before ordering. Kit includes the GYTR High Compression Piston Kit and a GYTR Oil Sprayer Nozzle. Forged aluminum construction that is...
Details Nickel silicon carbide (NSC) electroplate bore which allows for tighter tolerances, lower friction, and extreme durability. Precision diamond honed to exact bore dimensions and proper surface finish to ensure...
Details 1-piece forging of either EV8 stainless steel or Inconel-751. 2 proven heat and corrosion-resistant materials. Fully CNC-machined and hard chromed with a 360° anode which produces nearly perfect hard...
DetailsThe Cometic Top End Gasket Kit comes with everything you need to properly complete a total top end rebuild of your engine. Cometic manufactures their gaskets to exceed OEM quality...
Details Special Notes: Please measure your cylinder to check clearance before ordering. The piston is heat treated with a T-5 hardening and tempering cycle The piston skirt is coated with...
Details Kit includes, piston, rings, wrist pin, and circlips. Standard pistons and components are OEM replacements. All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle....
Special Notes: Notes for Kit: Tusk Complete Top End Rebuild Kit Standard (90 mm) Wiseco Piston Please measure your cylinder to check clearance before ordering. Please measure your cylinder to...
DetailsThe QA Parts cylinder and piston kit is a quality cylinder and piston kit that replaces your worn out piston & cylinder. Includes items that are commonly replaced. OEM spec...