Brand: Airflow Research (AFR) Manufacturer's Part Number: 7254-1 Part Type: Valves Product Line: AFR Replacement Stainless Steel Valves Automotive Fittings Part Number: AFR-7254-1 Valve Position: Exhaust Exhaust Valve Head Diameter (in.): 1.600 in. Exhaust Valve Head Diameter (mm): 40.640mm Exhaust Valve Stem Diameter (in.): 0.315 in. Exhaust Valve Stem Diameter (mm): 8.00mm Exhaust Overall Valve Length (in.): 5.030 in. Exhaust Overall Valve Length (mm): 128.651mm Undercut Stem: No Swirl-Polished: Yes Valve Tip Length (in.): 0.250 in. Valve Tip Length (mm): 6.350mm Valve Material: Stainless steel Lock Groove Quantity: 1-groove Lock Groove Style: Beadlock Valve Head Style: Dished Quantity: Sold individually. Description: AFR replacement stainless steel valves are designed to fit your AFR cylinder heads without any modifications. They are made from stainless steel with chrome stems and hardened valve tips. AFR replacement stainless steel valves are also swirl-polished and fully machined. Both the materials used, and the heat-treating process are superior to the original equipment replacement pieces.
