Crankshaft Material: Forged 4340 Steel. Product Line: 4340 Forged Steel. Part Type: Crankshaft. Crankshaft Snout Style: Standard. Speedmaster lightweight crankshafts are perfect for engines wanting quicker rpm.
Pontiac 455 4340 Forged Steel Crankshaft ST-4.25 M-3.25 RJ-2.200 RMS-2Pc Ext
Pontiac 400 455 4340 Forged Steel Crankshaft ST-4.25 M-3.25 RJ-2.200 RMS-2Pc Ext
Scat Enterprises Pontiac V8 4340 Forged H-Beam Rods 6.625
Eagle Crankshaft 445542106625; Forged Steel 4.210" Stroke for Pontiac 455 Mains
Ford 9'' Street/Strip 4340 Forged 35'' 31-Spline Axle C23704-35
