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Pro-X Steel Intake Valve (28.2706-2)
Manufactured to the highest precision and quality steel Constructed to meet OEM specifications Available in standard sizes only Sold each Compatible...$27.79 -
Pro-X Piston Kit (C) 94.96mm 11:1 Std Compression (01.6521.C)
ProX pistons provide a reliable and cost-effective way to maintain the engine in excellent condition High-quality cast piston made with dedicated tooling and molding Made from hypereutectic alloy...$222.41$199.99 -
Pro-X Crankshaft Bearings & Seal Kit (23.CBS14096)
Made to exact OEM specifications for maximum performance and durability Includes all necessary bearings/seals for a component's replacement For use with OEM or Pro X crankshafts Compatible...$91.11$78.59 -
Pro-X Crankshaft Bearings & Seal Kit (23.CBS22086)
Made to exact OEM specifications for maximum performance and durability Includes all necessary bearings/seals for a component's replacement For use with OEM or Pro X crankshafts Compatible...$75.21$73.99 -
Pro-X Piston Kit Standard Bore 85.00mm (01.5903.000)
ProX pistons provide a reliable and cost-effective way to maintain the engine in excellent condition High-quality cast piston made with dedicated tooling and molding Made from hypereutectic alloy...$125.95$112.99 -
Pro-X Connecting Rod Kit (03.1105)
Built from the strongest and most dependable alloys available today Comes complete with connecting rod , crankpin and big-end lower bearing Compatible...$112.95$101.99 -
Pro-X 9.48mm Diameter Valve Shims 5-pk 1.80mm (29.948180)
Made using a specific heat-treatment to ensure hardness for maximum durability and less wear Precision machined to match exact size Inexpensive and easy replacement for expensive OEM shims ...$17.33 -
Pro-X Piston Kit 86.00mm (+1.00mm over) XR400R/TRX400EX/TRX400X (01.1495.100)
ProX pistons provide a reliable and cost-effective way to maintain the engine in excellent condition High-quality cast piston made with dedicated tooling and molding Made from hypereutectic alloy...$155.95$139.99 -
Pro-X 9.48mm Diameter Valve Shims 5-pk 1.75mm (29.948175)
Made using a specific heat-treatment to ensure hardness for maximum durability and less wear Precision machined to match exact size Inexpensive and easy replacement for expensive OEM shims ...$17.33 -
Pro-X Piston Kit (C) 67.96mm for '88-98 Yamaha YZ250/'88-97 WR250 (01.2314.C)
ProX pistons provide a reliable and cost-effective way to maintain the engine in excellent condition High-quality cast piston made with dedicated tooling and molding Made from hypereutectic alloy...$151.02$119.99 -
Pro-X Piston Kit (A) 95.96mm 13.5:1 (01.1417.A)
ProX pistons provide a reliable and cost-effective way to maintain the engine in excellent condition High-quality cast piston made with dedicated tooling and molding Made from hypereutectic alloy...$212.46$189.99 -
Pro-X 9.48mm Diameter Valve Shims 5-pk 1.25mm (29.948125)
Made using a specific heat-treatment to ensure hardness for maximum durability and less wear Precision machined to match exact size Inexpensive and easy replacement for expensive OEM shims ...$16.43