Chevy BBC 454 4340 Forged Steel Crankshaft ST-4.250 M-Std RJ-2.2 RMS-1Pc Bal-Int
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SPEEDMASTERPART NUMBER: 746-PCE276.1037

Chevy BBC 454 4340 Forged Steel Crankshaft ST-4.250 M-Std RJ-2.2 RMS-1Pc Bal-Int

$1,51420
ShippingShips on Sep 03, 2026
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    Chevy BBC 454 4340 Forged Steel Crankshaft ST-4.250 M-Std RJ-2.2 RMS-1Pc Bal-Int

    Procomp Electronics forged standard weight crankshafts are designed for street or race engines with substantially increased horsepower. Procomp Electronics crankshafts are precision-ground, heat-treated, shot-peened, inspected, and micro-polished for superior tolerance control. Procomp Electronics 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 Height7.5
Package Width7.5
Package Length27.0
Weight80.03 PG
Part CategoryPerformance Parts
Rod Journal Diameter2.2 in (55.9 mm)
Main Journal Diameter2.749 in (69.825 mm)
Part FitmentSemi Universal
ToolStroker Combinations
Engine Stroke4.25 in (107.95 mm)
Vendor Part NumberPCE276.1037
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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