GZP Piston, pin & clips BT48-77 +.010

These top quality pistons are used by motor builders all over the world. They are die-casted in all new molds and tooling made to our specifications, featuring the latest piston technology in cam-shape and taper. Pistons are cast from low-expansion aluminum alloy, precision ground and have tin plated finish to facilitate break-in. We feel these are the finest cast pistons available. Compression ratio is stock. Pistons come complete with pin and clips. All pistons, except for XL 883 are packed and sold one per box. Install with Hastings or Total Seal piston rings. XL 883 pistons are sold in sets of two and come complete with rings.