Description
Piston Set for the Austin Healey BN7, BT7, BJ7, BJ8 and MGC which at Standard bore has a compression rato of 9.1 to 1. Piston sets include pistons, rings, pins and clips. Please use the pull down menu to choose piston size. For Original pistons use part number 17731 for AE Hepolite. Technical Notes: The Bore Size of the standard block is 3.2805.