Proform Small Block Chev Aluminium Exhaust Header Gasket With Square Ports#67921 ImpUNC1/4Asst2 Overall length L1 2-1/2"

Overall length L1 2-1/2"

Socket 1-5/16In 12Pnt

1° resolution (repeatability ±0

Surface Drive on box end provides Off-corner loading for better grip and reduced fastener rounding

Proform Small Block Chev Aluminium Exhaust Header Gasket With Square Ports#67921 ImpUNC1/4Asst2 Overall length L1 2-1/2"Conforms to Surface of Exhaust Header Fits Small Block Chevy w Square Exhaust Ports Features: Square Port Dual Layer Design Conforms to Header Flanges even w Minor Surface Imperfections Protection from Blowouts, Burnouts and Deterioration Complete with Band Clamp for Accurate Adjustment Ideal for The Street or The Strip Complete with Band Clamp for Accurate Adjustment Sold as Pair