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75:1 Big Bore Piston (BPRATV Exclusive)Piston ringsWristpinCirclipsBig Bore top end gasket kitCometic MLS big bore head gasketKibblewhite Red Viton Valve stem seals (5)Runs on pump or race gas1 year warranty*BPRATV - The Best Parts
Important Fitment Note: The cylinder head and valve cover must be machined to match each other to ensure proper sealing and performance
Polaris Sport 400: 1994-1999
Includes 4 bearings total
Chariot Performance
01-13 Yamaha YZ250F YZ 250F OEM Extreme Heavy Duty Hotcam Hot Cam Timing Chain Diesel 455 4x4 75:1 Big Bore Piston (BPRATVUpgrade your 250F engine with a Hot Cams Heavy Duty Timing Chain for Yamaha, Kawasaki, and Suzuki models from 2001 2024. Stronger than OEM and built for performance. Hot Cams Heavy Duty Timing Chain for Yamaha YZ250F KX250F RM Z250 01 24 Extreme Strength OEM Replacement Race Ready Durability Upgrade your engine reliability with the Hot Cams Heavy Duty Timing Chain, engineered as a direct replacement for Yamaha, Kawasaki, and Suzuki 250F models. This
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