WSM Piston Assembly

Brand: WSM
MPN: 50-520-5-68
Eligible for FREE shipping!

Did I hear that right? Free Shipping on Everything? Well, almost....


  • - We offer Free Shipping on pretty much everything, except for the big stuff you can't fit in the trunk of your car. But I guess that depends on the size of your trunk.
  • - All items that are Eligible for Free Shipping will be clearly marked before you put them in your cart.
  • - Most places in the continental United States are eligible for free shipping, but your location may require some shipping fees to be applied.
  • - And how FAST is our Free Shipping? Most of the time, you'll get your items in 3-7 days. Sometimes faster, depending if we have a warehouse close to you with the products you need.
  • - But, if our FAST for FREE Shipping isn't quick enough, you'll almost always have 2 FASTER options to choose from at Checkout.
  • - We want you to count on us to get your gear, when you want it and at the lowest price possible!

Now get those items in the cart, and take advanatage of our Free Shipping, before the accountants decide we're breaking the bank!

Big Bore Piston Assembly

$149.14
Earn up to 149 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]

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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