Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASMJ11A-MG Blueprint Engines AR651-1750

AR651-1750

the tanks are silver powdercoated for maximum durability

AF615-01BLK

Replacement V-Band ClampSuit 1-1/4" V-Band

Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASMJ11A-MG Blueprint Engines AR651-1750Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy3. 750" Stroke, 2. 100" Pin, 350 Mains with Big Block Chevy Snout CASMJ11A MG SMJ11A 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