Speedmaster PCE276.1140 Pontiac 400 455 4340 Forged Steel Crankshaft ST-4.25 M-3.25 RJ-2.200 RMS-2Pc Ext

These PCE crankshafts are made from the same strong aircraft-quality forging as standard-weight cranks, but have profiled counterweights for less weight. PCE lightweight crankshafts are perfect for engines wanting quicker rpm. These crankshafts feature profiled aero-wing counterweights and have straight shot and chamfered oil holes. PCE crankshafts are nitride-hardened, with large radii on all journals for superior wear resistance, and use lightening holes in all rod throws.

• Precision-ground, heat-treated, shot-peened, inspected, and micro-polished for superior tolerance control
• Nitride-hardened for superior wear resistance
• Features large radius on all journals for improved strength and wear resistance.