Manley 190280 – 4340 Crankshaft Non-Twist Forging, Big Block Chevy 4.750″ Stroke 454 Main, 2.200 Rod Journal, W/ Center Counter Weights, Bobweight 2425 grams, Weight 74-76lbs
Manley Big Block Chevy 4.750″Stroke 4340 Non-Twist Forged Crankshaft, 454 Main Journal (2.750″), 2.200″ Rod Journal, W/ Center Counter Weights, Bobweight 2425 grams, 74-76lbs 190280 Requires Minimum rod length 6.700″ Heat Treated, Stress Relieved, Shot peened, nitrided and 100% magnafluxed Micro polished large radius journals (narrowed rod bearings required) Note: Manley crankshafts are not intended for use with