New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Engine - Pistons - Piston Kits

5652 products
Powersport Superstore is your go-to source for Engine - Pistons - Piston Kits and related parts. Shop our unbeatable selection of Piston Kits with top-tier service, fast shipping, and great prices.
10% Off
Wiseco 40029M08250 Piston Kit - 0.50mm Oversize to 82.95mm
$170.99
$170.99
$189.95
Bore: 82.95mm Compression: Compression Not Available Sizing: 0.50mm OversizeSPECIFICATIONS. Displacement: 663cc. Bore - Standard: 82.00mm. Bore - Actual: 82.50mm. Bore - Oversize: .50mm. Stroke: 62...
18% Off
Namura Technologies NA-40003-6K Top End Repair Kit - 1.50mm Oversize to 67.42mm, 6.6:1 Compression
$86.18
$86.18
$104.95
Bore: 67.42mm Compression: 6.6:1 Compression Sizing: 1.50mm OversizeOEM Style, 6.6:1 Compression. Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. MOS2 (Tefl...
15% Off
Namura Technologies NW-10000K Top End Repair Kit
$150.73
$150.73
$177.95
Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. MOS2 (Teflon/Molybdenum) Coated Skirts A rolled on application process provides a bond that is 10 times stron...
15% Off
Namura Technologies NX-30000-6 Piston Kit - 1.50mm Oversized to 55.50mm
$66.41
$66.41
$77.95
Bore: 55.50mm Sizing: 1.50mm OversizeMOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits includ...
11% Off
Namura Technologies NX-70007-BK Top End Repair Kit (B) - Standard Bore 46.96mm
$78.89
$78.89
$88.95
Bore: 44.96mm Sizing: Standard BoreNikasil Cylinder. Fits KTM 85XC 17. Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. MOS2 (Teflon/Molybdenum) Coated Skirt...
17% Off
Namura Technologies NX-20031-B Piston Kit - Standard Bore 76.96mm, 13.5:1 Compression
$122.14
$122.14
$146.95
Bore: 76.96mm Compression: 13.5:1 Compression Sizing: Standard BoreForged. Chrome Composite Cyl. MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10...
14% Off
Namura Technologies NX-70002-6C Piston Kit - Standard Bore 44.98mm
$47.33
$47.33
$54.95
Bore: 44.98mm Sizing: Standard BoreNikasil Cyl. MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Ben...
12% Off
Namura Technologies NX-10026-C Piston Kit - Standard Bore 66.36mm, 8.5:1 Compression
$84.38
$84.38
$95.95
Bore: 66.36mm Compression: 8.5:1 Compression Sizing: Standard BoreMOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray...
14% Off
Namura Technologies NX-70005-C Piston Kit - Standard Bore 44.98mm
$49.16
$49.16
$56.95
Bore: Bore Not Available Sizing: Sizing Not AvailableFits KTM 65XC 17-18. MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than ot...
14% Off
Namura Technologies NA-20001-6 Piston Kit - 1.50mm Oversize to 68.47mm
$66.65
$66.65
$77.95
Bore: 68.47mm Sizing: 1.50mm OversizeMOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits includ...
11% Off
Namura Technologies NA-50000 Piston Kit - Standard Bore 71.96mm
$79.91
$79.91
$89.95
Bore: 71.96mm Sizing: Standard BoreMOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include ...
22% Off
Namura Technologies FX-40033 Piston Kit - Standard Bore 76.94, 13.5:1 Compression
$131.51
$131.51
$168.95
Bore: 76.94mm Compression: 13.5:1 Compression Sizing: Standard BoreMOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spra...
22% Off
Namura Technologies NA-40012 Piston Kit - Standard Bore 101.97mm, 9.2:1 Compression
$128.03
$128.03
$163.95
Bore: 101.97mm Compression: 9.2:1 Compression Sizing: Standard BoreMOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spra...
18% Off
Namura Technologies NX-10000-2 Piston Kit - 0.50mm Oversize to 54.44mm, 8.8:1 Compression
$64.23
$64.23
$77.95
Bore: 54.44mm Compression: 8.8:1 Compression Sizing: 0.50mm OversizeMOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spr...
9% Off
Athena S4F05300002A Piston Kit (105cc Big Bore) (A) - 52.95mm
$218.35
$218.35
$239.95
Bore: 52.95mm Sizing: Sizing Not AvailableAll pistons are forged using a precision heat-treatment process that allows for production tolerances of just .005mm. Forged piston kits are available in A...
9% Off
Athena S4F05300002B Piston Kit (105cc Big Bore) (B) - 52.96mm
$218.35
$218.35
$239.95
Bore: 52.96mm Sizing: Sizing Not AvailableAll pistons are forged using a precision heat-treatment process that allows for production tolerances of just .005mm. Forged piston kits are available in A...
19% Off
Namura Technologies NX-30024-BK Top End Repair Kit (B) - Standard Bore 66.36mm
$88.50
$88.50
$108.95
Bore: 66.36mm Sizing: Standard BoreSCEM Composite Cylinder. Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit. MOS2 (Teflon/Molybdenum) Coated Skirts A rolled ...
12% Off
Pro-X 01.1496.A Piston Kit - Standard Bore 95.96mm, 12.0:1 Compression
$181.83
$181.83
$207.69
Bore: 95.96mm Compression: 12.0:1 Compression Sizing: Standard BoreNikasil Bore. Excellent economic alternative when you are looking for an OEM quality replacement piston. Mainly manufactured in J...
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle