103" Big Bore Wiseco Piston Kit

Big Bore Wiseco reverse domed piston kit for use with standard 3.875" bore cylinders with 9:1 compression. Kit includes forged pistons, rings, circlips, chrome piston pins and gaskets.
**Note: Run engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears, in order to properly break-in new pistons and rings. Requires cylinder boring.