92-1064 3-5/8" repl. Evo SuperStock piston kit. +.040"

This S&S piston kit offers a +.040 inch oversize, providing the maximum standard cleanup for 3-5/8 inch big bore Evolution Big Twin cylinders. Sold as a kit, these forged recessed dome pistons are intended for 1984 to 1999 models running S&S SuperStock heads. They are compatible with stroke lengths ranging from 4-1/4 inches to 4-5/8 inches, making them a versatile option for various high-displacement builds. The kit includes the forged pistons, high-quality rings, wrist pins, and clips. These pistons are built to withstand the heat and pressure of a large-capacity Evolution engine, ensuring your motor remains powerful and dependable after a major top-end overhaul.