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SKU: ATD-952081

ATHENA YAMAHA YZ450F 10-16 CYLINDER KIT BIG-BORE P400485100054

ATHENA PARTS
$934.16
$934.16
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This is a pre order item. We will ship it when it comes in stock.

MFG Part Number: P400485100054

Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets

Includes Forged piston, rings, clips and pin

Athena top-end gasket set includes required seals and hardware

Easy-to-follow step-by-step installation instructions

Most are bolt-on; no machining required except where noted