Callies Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASAJ21A-MG Product:3.750" Stroke, 2.100" Pin, 400 Mains Mounting holes underneath M6x1

Mounting holes underneath M6x1

Part Number: AF4038-32813C

Part Number: FE1230

Part Number: HO26-68

2010 YAMAHA WR250R 250 - All

Callies Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASAJ21A-MG Product:3.750" Stroke, 2.100" Pin, 400 Mains Mounting holes underneath M6x1Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy3. 750" Stroke, 2. 100" Pin, 400 Mains Brand: CALLIES Part Number: CASAJ21A MG Description: 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