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Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.
Due to Thanksgiving and the holiday rush, our current handling time is approximately 4–5 business days. We sincerely appreciate your patience and understanding. We truly appreciate your business and are thankful for another great year serving our customers. If you have any questions or concerns, please contact us—our team is working as hard as possible to ship all orders promptly.

WR450F WR 450F Wiseco 12.5:1 Piston 95mm Stock Bore Cylinder Top End Rebuild Kit

by BPRATV
Save 42% Save 42%
Original price $682.54
Original price $682.54 - Original price $682.54
Original price $682.54
Current price $394.44
$394.44 - $394.44
Current price $394.44

20001, 4785M09500, C3066, 71014-5, 5TA-11311-12-00, CR8EIX, 5TA-11311-00-00, 5TG-11633-10-00, 5TG-11603-00-00, 99999-03528-00, 99009-20500-00, 5TA-11181-00-00, 5TA-11351-00-00, 4FM-12213-00-00, 5TA-11311-01-00, 5TA-11311-02-00, 5TA-11311-10-00, 5TA-11311-11-00, 5TG-11631-00-00, 5TG-11633-00-00, 3KS-12213-00-00, 4BE-12213-00-00

Brand New Complete Yamaha YZ450F & WR450F Top End Rebuild Kit / Wiseco Stock Bore Piston Kit / Cometic Top End Gasket

Fits Yamaha YZ450F Dirt Bikes

Years 2003 2004 2005

Fits Yamaha WR450F Dirt Bikes

Years 2003 2004 2005 2006

Add Amazing & Reliable Power With The Best Components In The Industry!

This Complete Top End Rebuild Kit Includes:

BPRATV 95mm Stock / Standard Bore Nikasil Plated Cylinder (1 Year Warranty)
Wiseco 12.5:1 Piston Kit (Includes Piston, Rings, Pin & Clips) 
Cometic Complete Top End Gasket Kit
Kibblewhite Red Viton Valve Stem Seals (5)
NGK Iridium Spark Plug 

BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!

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