• Keep the heart of your Harley pumping with these high-quality, cast aluminum pistons
• Big Twin 41-80 and Shovelhead 78-84 feature internal steel struts to control heat expansion and come in stock and low-compression versions for most Harley-Davidson models
• Pistons come complete with wrist pins and keepers; rings are not included
• Ratio 8:1
• Sold each

Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.

To order rings we suggest using Hastings rings Part No. H1310R

(1) Piston

(1) Wrist pin

(2) Cir-clips

No instructions