Confirm this item fits
Add your vehicle details to make sure this item fits.
KLX140 Forged Piston Kit - 170cc (63MM)
$146.25
Shipping & DeliveryShips from United States.
Ships from United States.
Return PolicyWant extra peace of mind? Even if a seller doesn't offer returns,
MX Locker gives you the option to make any item returnable with Return Assurance at checkout.
Want extra peace of mind? Even if a seller doesn't offer returns,
MX Locker gives you the option to make any item returnable with Return Assurance at checkout.
Shop With ConfidenceMX Locker is 100% committed to ensuring that every sale ends in satisfaction—for both buyer and seller. Your payment is held until the item is delivered and approved. If it's not as described, you'll receive a full refund.
Every transaction is backed by our secure payment system. We hold funds until you confirm the item arrived in the promised condition—so you can shop worry-free.
MX Locker is 100% committed to ensuring that every sale ends in satisfaction—for both buyer and seller. Your payment is held until the item is delivered and approved. If it's not as described, you'll receive a full refund.
Every transaction is backed by our secure payment system. We hold funds until you confirm the item arrived in the promised condition—so you can shop worry-free.
Overview
Description
KLX140 Forged piston kit for the 170cc big bore kits (63mm). These pistons are extremely strong and durable. They are cut to work with stock valves or the 31/25 race head valves. They will not work with the large 34/29 race head valves. This is a piston kit only - it includes the piston, rings, circlips, and piston pin. No gaskets are included.
Contact the seller for exact year and model fitment.
Meet The Seller
Responds within 3 hours.
Ships within 3 business days.
Items match their descriptions.
Reviews
Need help? We're riders just like you.
By clicking subscribe, I agree to receive exclusive offers & promotions, news & reviews, and personalized tips for buying and selling on MX Locker.
MX Locker © 2026 Accessibility