As low as $159.24/mo with or . (Pay in 4 interest-free payments)
S&S CYCLE Big Bore Piston Kit (128") Upgrade your street Harley with the S&S CYCLE Big Bore Piston Kit for a 128" displacement build. This piston kit is designed to deliver strong performance with quality components engineered for reliable fit and function. What’s Included Set of pistons Compression rings Wristpins Clip set Key Features Big Bore style for increased displacement Dished piston head shape Bore oversize: +0.010" Approximate compression ratios calculated using correct cylinder length per S&S specifications Specifications Displacement: 128" Stroke Length: 4.500" Piston Head Shape: Dished Bore Size: 4.250" Bore Oversize: +0.010" Riding Style: Street Units: Kit Weight: 3.15 lbs | Dimensions: 9.75" x 7.5" x 4.75"
Piston kit includes set of pistons, rings, wristpins, and clip
Compression ratios listed are approximate and are calculated using the correct length cylinders as specified by S&S