Brand: Wiseco
MPN: PK138
Eligible for FREE shipping! Ships within 1 day

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!

WISECO TOP END PISTON KIT. Wiseco's complete top end piston kits are offered for nearly every popular application.These kits contain everything you need to complete your rebuild the right way. 4-strok [...Read More]

$319.70
Discount Badge Image
Earn up to 319 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]

This item is vehicle specific.
Search by vehicle to ensure a proper fit.

Search Year/Make

Know what you need? Skip vehicle check.
+ -
WISECO TOP END PISTON KIT. Wiseco's complete top end piston kits are offered for nearly every popular application.These kits contain everything you need to complete your rebuild the right way. 4-stroke kits feature a 'race-ready' dome finish with smooth edges for improved combustion flow.Most PK/SK/WK/VT kits from Wiseco feature a complete top end gasket kit.4-stroke race applications feature Wiseco's ArmorGlide skirt coating to provide reduced friction and noise to contribute to increased horsepower. Dedicated forgings used for superior strength to weight ratio.High-Performance ring kit and alloy pin included with each piston kit. All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced product weight, improved heat transfer, and longer life.

Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of today’s cylinder bore compositions (cast iron, chrome, nikasil and boron c

Wiseco’s wide range of oversize pistons increase the life of cast iron lined cylinders. With the availability of replacement cylinder sleeves, chrome, nikasil and boron composite cylinders can be resleeved to accept Wiseco’s oversizes.

Wiseco’s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today’s market place.