Pay in 4 interest-free payments of $1093.23 Learn more
Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Fuel pump block-offs are available for Chevy small block and big block engines
4030-34515
AR755-2750
plus premium-quality washers and hex or 12-point nuts
Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASMJ21A-MG Intake Systems Fuel pump block-offs are availableCallies 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
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