Introduction This high quality Shock Piston and Cartridge Spacer set provides replacement parts for your kit supplied items. Features Tough and durable composite material for long-lasting performance and consistent shock action in all conditions Precision manufactured to ensure smooth and consistent shock performance Pistons feature 8 holes each with 1.2mm diameter Included items Shock Piston (8×1.2mm) 4Pcs Shock Cartridge Spacer 4Pcs