Product Line: HiRise. Step up to the high-rpm power of an open plenum with Speedmaster HiRise intake manifolds. These cast aluminum manifolds accept square-bore carburetors and are pressure tested to ensure maximum performance.
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
