Icon FHR Forged Piston Forged 4.310" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 18.3 cc Fire Extinguisher Bracket 1955-1959 GMC 300

1955-1959 GMC 300

The systems uses 2

Two 10 AN Female O-Ring Ports

this stud girdle adjusting nut set fits intake valves on Big Block Chevrolet

Icon FHR Forged Piston Forged 4.310" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 18.3 cc Fire Extinguisher Bracket 1955-1959 GMC 300Product Description: Piston FHR Forged Forged 4. 310 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 18. 30 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