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SHIPPING UPDATE: Due to high demand, orders are currently processing in 5-7 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!
SHIPPING UPDATE: Due to high demand, orders are currently processing in 5-7 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!

03-06 WR450F WR 450F Top End Rebuild Kit Stock Standard Bore Cylinder Piston Kit

by BPRATV
Save 24% Save 24%
Original price $494.30
Original price $494.30 - Original price $494.30
Original price $494.30
Current price $375.00
$375.00 - $375.00
Current price $375.00

YZ450F / WR450F Top End Rebuild Kit

Includes:

BPRATV 95mm Stock Bore Nikasil Cylinder (1 year warranty*)

95mm Wiseco or Wossner forged piston kit (includes piston rings, wrist pin, and circlips)

Top end gasket kit with MLS head gasket

Perfect for pump gas or race gas

Works on all '03-05 YZ450F and '03-06 WR450F models

1 year warranty on complete kit for your piece of mind*

BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
20001, 4786M09500, 4785M09500, M1011, C3066, C3066-EST, 5TJ-11631-00-00, 20001 4786M09500, 4785M09500, M1011, C3066, C3066-EST, 5TJ-11631-00-00, 5TA-11351-00-00, 5JG-11603-00-00, 8630DA, 8562DA
 More payment options

Pickup available at 1538 Howard Access Road

Usually ready in 24 hours

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