AFR Exhaust Valve - 1.570 in Head - 8 mm Valve Stem - 5.030 in Long - Stainless - Small Block Ford 3550224-9151 313" High Flow Valve/Seat

313" High Flow Valve/Seat

The wing attaches to the helmet using small nylon insert screws

Pit Stop USA offers G-Force GF Crew Helmet - Large - Black 4414LRGBK at low everyday pricing

Weld-On Mount Option (sold separately)

performance and improve throttle response

AFR Exhaust Valve - 1.570 in Head - 8 mm Valve Stem - 5.030 in Long - Stainless - Small Block Ford 3550224-9151 313" High Flow Valve/SeatProduct Description: Exhaust Valve 1. 570 in Head 8 mm Valve Stem 5. 030 in Long Stainless Small Block 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