Get genuine Speedmaster stainless steel valves. They're made from a tough, stainless steel alloy and are carefully designed to increase gas flow for more power. Part Type: Exhaust Valve. Valve Material: stainless steel.
Chevy SBC 350 5140 Forged Steel Crankshaft ST-3.480 M-350 RJ-2.1 RMS-1Pc Bal-Int
Chevy SBC 350 4340 Forged Steel Crankshaft ST-4.000 M-350 RJ-2.1 RMS-2Pc Bal-Int
Chevy SBC 350 4340 Forged Steel Crankshaft ST-3.750 M-350 RJ-2.1 RMS-1Pc Bal-Int
Chevy SBC 350 4340 Forged Steel Crankshaft ST-3.750 M-350 RJ-2.1 RMS-2Pc Bal-Int
