Ford Performance Exhaust Valve, 1.540 in Single Groove (GT40 Iron Heads and X306/X307 Aluminum Heads, 289/302/351W) - M-6505-G302

For GT40 iron heads (M-6049-L302/L303) and Ford Performance X306/X307 aluminum heads only - competition use

Stainless steel 1.540 in single groove exhaust valve (sold individually) for GT40 iron cylinder heads and Ford Performance X306/X307 aluminum heads on small block Ford 289/302/351W engines.