Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASMJ21A-MG Intake Systems plus premium-quality washers and hex

plus premium-quality washers and hex or 12-point nuts

4030-34515

Holden Torana and Holden HQ-WB Billet Bonnet Hinge Kit - Black FinishSold as a Pair

billet aluminium hat and hanger assembly

9/16" Hex Head

Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASMJ21A-MG Intake Systems plus premium-quality washers and hexCallies Magnum Series Forged 4340 Crankshaft for Small Block Chevy3. 750" Stroke, 2. 100" Pin, 400 Mains with Big Block Chevy Snout CASMJ21A MG SMJ21A 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