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Ships within 48 hours · Estimated delivery Oct 18 - Oct 23
Titanium clutch spring bolts
Wiseco or Wossner big bore forged piston
Installation is straightforward with the included gaskets
upgrading for performance
Cam/Timing chain
03 04 05 YZ450F 450F Big Bore 480cc +3 Cylinder 98mm Piston Top End Rebuild Kit Big Boss 400L Titanium clutch spring bolts20001, 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 0305 YZ450F 0306 WR450F 480 cc Big Bore Top End Rebuild Kit 98 mm Nikasil Cylinder + Forged Piston + Cometic Gaskets Product