Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASAO21A-MG Blueprint Engines Sport-Comp II Boost Gauge 3604

Sport-Comp II Boost Gauge 3604 AU3604 2-1/16"

easy access 12-point designs

most dampers are shipped with 70 durometer elastomers for 7" diameter dampers and 60 durometer for 6" dampers

Sport-Comp Playback Tachs

Carburettor Dual Inlet Rail Kit These Dual inlet fuel rail kits suit Holley 4500 Dominator carbs with Dual metering blocks and features a -8AN inlet fitting

Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy CASAO21A-MG Blueprint Engines Sport-Comp II Boost Gauge 3604Callies Magnum Series Forged 4340 Crankshaft for Small Block Chevy4. 000" Stroke, 2. 100" Pin, 400 Mains CASAO21A MG SAO21A 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 crankshaft with unsurpassed wear