WSM Piston Assembly

Brand: WSM
MPN: 50-520-665
Eligible for FREE shipping! Ships same day

Big Bore Piston Assembly

$128.64
$145.46 Save $16.82 Discount Badge Image
Earn up to 128 MotoMoney points!

How it works


Earn MotoMoney on every dollar you spend! There is a NO Minimum Order amount to start earning MotoMoney, and you earn 1 point for every dollar spent! (Sub-Total less any previous points redeemed)

For every 100 points you earn, you will receive $1.00 off of most items on our site (some Brands do not allow Rewards Points to be earned on their products). Your MotoMoney Points can be redeemed during checkout. [...Read More]

+ -
Big Bore Piston Assembly Competitively priced forged pistons

Coated with MOS2 for high performance and heat absorption

Ported to match WSM Banshee sleeves

Fit bores from 64mm to 70.5mm

Four piston categories from standard, big bore, 5mm long rod and big bore with 5mm long rod

Piston pin is 5mm higher on long rod pistons to accommodate long rod

Made in Germany