Icon Domed Forged Piston - 4.290 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 18.00 cc - Big Block Chevy (Set of 8) Floor Liner Supports up to 550 EFI

Supports up to 550 EFI or 700 Carb HP (@ 60 PSI at 13

E40D / 4R100

1/2 in Mounting Hole

81 in OD - C2-R10 Valve - Zinc Plated 33-304007 at low everyday prices

Icon Domed Forged Piston - 4.290 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 18.00 cc - Big Block Chevy (Set of 8) Floor Liner Supports up to 550 EFIProduct Description: Piston Domed Forged 4. 290 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Plus 18. 00 cc Big Block Chevy Set of 8 Icon Pistons brings the same quality and performance you've come to expect from United Engine brands. ICON forgings are created at our in house facility, utilizing the latest innovations in piston forging technology. Each ICON piston is purpose built from the ground up for extreme high performance street or racing