1.90 In. Severe Duty Exhaust Valves Big Block Chevy

Features superior stainless for high temperature gasoline engines exhaust material xh-428 with double the ultimate tensile strength over the competition chrome stems and hard tips swirl polished and fully machined severe duty and severe duty pro flo set of 8specifications head size: 1.90 Steam diameter: 0.34 Sku: zx9ksao512718

Features superior stainless for high temperature gasoline engines exhaust material xh-428 with double the ultimate tensile strength over the competition chrome stems and hard tips...show more