Je Pistons Piston - 23 Degree FSR Hollow Dome - Forged - 4.125 in Bore - 0.043 x 0.043 x 3 mm Ring Grooves - Plus 10.80 cc - Small Block Chevy - Set of 8-301475--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO