Head Stud Kit, Hex Nut fits SB Chev With 23° Heads

Engine Application:

• 23° OEM cast iron and aluminium Chevrolet
• Gen III Vortec/Truck; LT1 Airflow Research
• Brownfield
• Brodix -8,-10,-11, Track I
• Dart Sportsmanand Dart II
• most Edelbrock
• Trick Flow
• most World Products iron and aluminium heads