CHEVY 400 FORGED 4340 STEEL CRANKSHAFT 3.750 2PC-SEAL EXTERNAL BAL.
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SPEEDMASTERPART NUMBER: 746-1-276-001

CHEVY 400 FORGED 4340 STEEL CRANKSHAFT 3.750 2PC-SEAL EXTERNAL BAL.

$87500
ShippingShips on 09/21/2026
Lowest PriceLowest Price Guarantee

    CHEVY 400 FORGED 4340 STEEL CRANKSHAFT 3.750 2PC-SEAL EXTERNAL BAL.

    Speedmaster forged standard weight crankshafts are designed for street or race engines with substantially increased horsepower. Speedmaster crankshafts are precision-ground, heat-treated, shot-peened, inspected, and micro-polished for superior tolerance control. Speedmaster crankshafts are also nitride-hardened for superior wear resistance, have straight-shot and chamfered oil holes, and feature lightening holes in all rod throws. These crankshafts also have a large radius on all journals for improved strength and wear resistance.



    Part TypeCrankshaft
    BrandSPEEDMASTER
    Package Height6.69
    Package Width7.09
    Package Length25.2
    Weight59.65 PG
    Part CategoryPerformance Parts
    Rod Journal Diameter2.1 in (53.3 mm)
    Main Journal Diameter2.649 in (67.285 mm)
    Part FitmentSemi Universal
    ToolStroker Combinations
    Engine Stroke3.75 in (95.25 mm)
    Vendor Part Number1-276-001
    Package Qty1
    Package TypeEA
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