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

5687 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.
12% Off
Wiseco 594M05600 Piston Kit - Standard Bore 55.95mm
$138.99
$138.99
$157.28
Bore: 55.95mm Compression: Standard Compression Sizing: Standard BoreSPECIFICATIONS. Displacement: 124cc. Bore - Standard: 56.00mm. Bore - Actual: 56.00mm. Bore - Oversize: STD. Stroke: 50.7mm. Not...
12% Off
Wsm 010-820-07K Piston Kit (762cc) - 1.00mm Oversize to 81.00mm Bore
$76.57
$76.57
$86.96
Bore: 81.00mm Sizing: 1.00mm OversizeCompetitively priced forged pistons. Coated with MOS2 for high performance and heat absorption. Ported to match WSM Banshee sleeves. Four piston categories from...
15% Off
Wiseco 4574M07400 Piston Kit - Standard Bore 73.95mm, 11:1 Compression
$165.97
$165.97
$195.69
Bore: 73.95mm Compression: 11:1 Compression Sizing: Standard BoreAll Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved hea...
10% Off
Wiseco 577M08000 Piston Kit - Standard Bore 79.90mm
$183.99
$183.99
$204.95
Bore: 79.90mm Compression: Compression Not Available Sizing: Standard BoreSPECIFICATIONS. Displacement: 397cc. Bore - Standard: 80.00mm. Bore - Actual: 80.00mm. Bore - Oversize: STD. Stroke: 79.00m...
12% Off
Wiseco 616M05400 Piston Kit - Standard Bore 53.95mm
$138.99
$138.99
$157.28
Bore: 53.95mm Compression: Standard Compression Sizing: Standard BoreSPECIFICATIONS. Displacement: 125cc. Bore - Standard: 54.00mm. Bore - Actual: 54.00mm. Bore - Oversize: STD. Stroke: 54.5mm. Not...
12% Off
Wiseco 616M05500 Piston Kit - 1.00mm Oversize to 55.95mm
$138.99
$138.99
$157.28
Bore: 55.95mm Compression: Standard Compression Sizing: 1.00mm OversizeSPECIFICATIONS. Displacement: 125cc. Bore - Standard: 54.00mm. Bore - Actual: 55.00mm. Bore - Oversize: 1.00. Stroke: 54.5mm. ...
10% Off
Wiseco 645M04750 Piston Kit - Standard Bore 47.45mm
$120.99
$120.99
$134.95
Bore: 47.45mm Compression: Standard Compression Sizing: Standard BoreSPECIFICATIONS. Displacement: 82cc. Bore - Standard: 47.5mm. Bore - Actual: 47.50mm. Bore - Oversize: STD. Stroke: 46.8mm. Note:...
10% Off
Wiseco 644M04900 Piston Kit - 1.00mm Oversize to 49.95mm
$120.99
$120.99
$134.95
Bore: 49.95mm Compression: Compression Not Available Sizing: 1.00mm OversizeSPECIFICATIONS. Displacement: 86cc. Bore - Standard: 48.00mm. Bore - Actual: 49.00mm. Bore - Oversize: 1.00. Stroke: 45.8...
11% Off
Wiseco 652M05600 Piston Kit - 2.00mm Oversize to 57.95mm
$161.99
$161.99
$181.47
Bore: 57.95mm Compression: Compression Not Available Sizing: 2.00mm OversizeSPECIFICATIONS. Displacement: 134cc. Bore - Standard: 54.00mm. Bore - Actual: 56.00mm. Bore - Oversize: 2.00. Stroke: 54....
11% Off
Wiseco 641M05550 Piston Kit - 1.50mm Oversize to 56.96mm
$161.99
$161.99
$181.47
Bore: 56.96mm Compression: Standard Compression Sizing: 1.50mm OversizeSPECIFICATIONS. Displacement: 127cc. Bore - Standard: 54.00mm. Bore - Actual: 55.50mm. Bore - Oversize: 1.50mm. Stroke: 54.00m...
10% Off
Wiseco 721M07450 Piston Kit - Standard Bore 74.42mm
$138.99
$138.99
$154.95
Bore: 74.42mm Compression: Standard Compression Sizing: Standard BoreAll Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved...
10% Off
Wiseco 790M08300 Piston Kit (735cc) - 2.00mm Oversize to 84.90mm
$156.99
$156.99
$174.95
Bore: 84.90mm Compression: Compression Not Available Sizing: 2.00mm OversizeSPECIFICATIONS. Displacement: 736cc. Bore - Standard: 81.00mm. Bore - Actual: 83.00mm. Bore - Oversize: 2.00. Stroke: 68....
10% Off
Wiseco 782M04950 Piston Kit - 1.00mm Oversize to 50.45mm
$120.99
$120.99
$134.95
Bore: 50.45mm Compression: Compression Not Available Sizing: 1.00mm OversizeSPECIFICATIONS. Displacement: 88cc. Bore - Standard: 48.5mm. Bore - Actual: 49.50mm. Bore - Oversize: 1.00. Stroke: 45.8m...
10% Off
Wiseco 757M08550 Piston Kit (1169cc) - 1.50mm Oversize to 86.87mm
$156.99
$156.99
$174.95
Bore: 86.87mm Compression: Compression Not Available Sizing: 1.50mm OversizeSPECIFICATIONS. Displacement: 1131cc. Bore - Standard: 84.00mm. Bore - Actual: 85.50mm. Bore - Oversize: 1.50mm. Stroke: ...
10% Off
Wiseco 806M05300 Piston Kit (Racers Choice Supermini) - 5.00mm Oversize to 57.95mm
$161.99
$161.99
$179.95
Bore: 57.95mm Compression: Standard Compression Sizing: 5.00mm OversizeSPECIFICATIONS. Displacement: 103.2cc. Bore - Standard: 48.00mm. Bore - Actual: 53.00mm. Bore - Oversize: 5.00mm. Stroke: 46.8...
7% Off
Wiseco 857M06640 Piston Kit - Standard Bore 66.35mm
$172.34
$172.34
$184.95
Bore: 66.35mm Compression: Standard Compression Sizing: Standard BoreSPECIFICATIONS. Displacement: 249cc. Bore - Standard: 66.4mm. Bore - Actual: 66.40mm. Bore - Oversize: STD. Stroke: 72.00mm. ITE...
10% Off
Wiseco 841M05400 Piston Kit (GP Style) - Standard Bore 53.94mm
$156.99
$156.99
$174.95
Bore: 53.94mm Compression: Standard Compression Sizing: Standard BoreSPECIFICATIONS. Displacement: 125cc. Bore - Standard: 54.00mm. Bore - Actual: 54.00mm. Bore - Oversize: STD. Stroke: 54.50mm. Tr...
10% Off
Wiseco 813M08500 Piston Kit (840cc) - 5.00mm Oversize to 89.89mm
$143.99
$143.99
$159.95
Bore: 89.89mm Compression: Compression Not Available Sizing: 5.00mm OversizeSPECIFICATIONS. Displacement: 840cc. Bore - Standard: 80.00mm. Bore - Actual: 85.00mm. Bore - Oversize: 5.00mm. Stroke: 7...
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