Description 4agze OEM Pistons 81.5mm These early model dished OEM pistons have been proven to 600hp with no issues Common upgrade for any turbo conversion 7a or 4a Suit both 20v & 16v heads Size: 81.5mm Compression: 8.0:1 Semi Forged Ceramic Coated Domes Gudgen Pins High Quality TP OEM Japanese Piston Rings (Not in Toyota Packaging) Note: Picture is of the later model pistons but this listing is for the early model pistons which has a deeper dish
