Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASMO21A-MG Product:4.000" Stroke, 2.100" Pin, 400 Mains with Big Block Chevy Snout At night the burst of

At night the burst of Cobalt blue light shines through the dial and into any interior scheme

Case has forged caps and extra reinforcement where it's needed most

Water Pump Gilmer PulleyBlack Anodised Suit SB/BB Chev

AF64-2079BLK

414-12-06S

Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASMO21A-MG Product:4.000" Stroke, 2.100" Pin, 400 Mains with Big Block Chevy Snout At night the burst ofCallies Magnum Series Forged 4340 Crankshaft for Small Block Chevy4. 000" Stroke, 2. 100" Pin, 400 Mains with Big Block Chevy Snout CASMO21A MG SMO21A MG After years of service, Magnum crankshafts by Callies have established themselves as one of the most durable competition crankshafts ever produced. Magnum crankshafts are manufactured from ultra pure SAE 4340 steel. Callies then subjects this material to multiple heat treatments, resulting in a