4agze OEM Piston Set 8.9:1

Description 4agze OEM Pistons 8.9:1 (late model) These 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 ( 0.5mm) Compression: 8.9:1 Semi Forged Ceramic Coated Domes Gudgen Pins High Quality TP OEM Japanese Piston Rings (Not in Toyota Packaging)