• 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 (we suggest using Hastings rings), choose either Part No. H1312R for chromoly top ring set or Part No. H13003 for cast ring set
• Ratio 7.2:1
• 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.

(1) Piston

(1) Wrist pin

(2) Cir-clips

No instructions