Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASMJ11A-MG Trunk Hinges Pressure Testing TagWith Date &

Pressure Testing TagWith Date & Pressure (50 Pack)

Aeroflow Bypass 4

and three AN ORB ports--one for the feed line

AR400-7603

Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASMJ11A-MG Trunk Hinges Pressure Testing TagWith Date &Callies 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