Manufacturer: Molnar Technologies. Crankshaft - 4.250 in Stroke - Internal Balance - Forged Steel - 2-Piece Seal - Big Block Chevy - Each.
Molnar Technologies BBC Forged Crank 4.250 Stroke 454 Mains 454-4250DC6F-6135
Molnar Technologies BBC Forged Crank 4.000 Stroke 454 Mains 454-4000DC6F-6135
Molnar Technologies SBF Forged Crank 3.400 Stroke 302 Main 302-3400GB6F
Molnar Technologies Pontiac Forged Crank 4.000 Stroke 400 Mains 401-4000RC6F
Molnar Technologies Pontiac Forged Crank 4.500 Stroke 400 Mains 401-4500RC6F