AFR Exhaust Valve - 1.600 in Head - 8 mm Valve Stem - 5.030 in Long - Inconel - Small Block Chevy/Ford HYPLMED11SASM61 Inserts are used in place

Inserts are used in place of restricting inserts allowing full throttle operation without restriction

400 in Body

Lightweight solid rotor for Late Models and Modifieds

1-1/2 to 3 in Reservoirs

AFR Exhaust Valve - 1.600 in Head - 8 mm Valve Stem - 5.030 in Long - Inconel - Small Block Chevy/Ford HYPLMED11SASM61 Inserts are used in placeProduct Description: Exhaust Valve 1. 600 in Head 8 mm Valve Stem 5. 030 in Long Inconel Small Block Chevy Ford 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