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Engine

$124.99
The first under hood breather unit designed for the YFZ450R. This Stealth breather box is designed for 2009+ YFZr/x models and mounts under the LED...

$185.00 $142.45
What sets Hot Cams apart from other camshafts? - Convenience and engineering! Hot Cams is the first camshaft company to produce its own cores for the dirt...

$245.00
CP Piston comes complete with rings, circlips , and wristpin. Made in the USA from the highest quality materials and with world leading technology...

$599.00 $461.23
New big bore kit product line from the makers of the Pivotworks™, Hotcams™, and Hot Rods™. Cylinder Works offers high quality cylinders...

$299.95 $263.96
Eliminates excessive clutch slipping. Transfer all of your horsepower to the rear tires. Increase the quickness of your ATV....

$899.95 $701.96
Kits include aluminum cylinder with a galvanic coating designed with larger water jackets for better cooling and a Forged piston with molybdenum coating for the best in performance. Each kit also contains a special gasket and easy to fallow step by step instructions. No machining is required.

$689.00
The z-Start Pro offers unique benefits as a high-end complement to Rekluse’s industry-leading z-Start Clutch. The z-Start Pro offers features which directly...

$339.00 $261.03
Hot Rods Crankshafts: Hot Rods Crankshafts are sold complete with the original proven Hot Rods Connecting Rods, top end bearings, and crankshaft...

$399.00 $307.23
  Stoker Cranks Hot Rods is proud  to offer the stroker ATV crankshaft line. They have developed six long-stroke applications for ATVs....

$227.00 $177.06
JE has a history of manufacturing the highest quality pistons and components that a professional engine builders, race teams, and high performance enthusiasts alike trust and rely on.

[Contact us for a price]
Cylinder - new, not remanufactured, cast aluminum nickel silicon carbide (NSC) electroplated stock bore cylinder that appears just like an OE cylinder. NSC...

$0.00
These kits offer every gasket you need for a complete rebuild. O.E.M. quality for long life. Silicone lined coating on base gaskets to keep them from...