Athena Parts - Athena Complete Gkt. Kit Yamaha Yz490 J/k(5x6,23x)82-83 - P400485850490
$30.75
$36.95
Athena Parts
Wiseco - Yamaha Yz490 J,k 82-83 3445td Piston 478m08750 - 478M08750
Wiseco
$219.99
$243.95
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Wiseco
Wiseco - Yamaha Yz490 J,k 82-83 3445td Piston 478m08750 - 478M08750
Forged from high-silicon aluminum alloy for maximum strength and dependability.
Innovative forging design and piston skirt provide maximum horsepower and torque.
Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).
Oversize pistons require cylinder sleeving.
Innovative forging design and piston skirt provide maximum horsepower and torque.
Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).
Oversize pistons require cylinder sleeving.
