AFR Exhaust Valve - LS1 - 1.600 in Head - 8 mm Stem - 4.907 in Long - Stainless - GM LS-Series 32024P IMCA approved for IMCA modifieds

IMCA approved for IMCA modifieds and sport mod divisions

Sizes: XXS – XXL

Carburetor Fuel Line

1977-1977 GMC Sprint

Machined slots are designed to retain most tape measure ends for accurate measurements

AFR Exhaust Valve - LS1 - 1.600 in Head - 8 mm Stem - 4.907 in Long - Stainless - GM LS-Series 32024P IMCA approved for IMCA modifiedsProduct Description: Exhaust Valve LS1 1. 600 in Head 8 mm Stem 4. 907 in Long Stainless GM LS Series Sold Individually Advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake systems, high performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic programmers, diesel fuel systems,