Magnum 4340 Forged Crankshaft 4.250" Stroke, 2.559" Mains, 2.100" Pins CA5PP31T- Product:Suit GM LS1 and Metric Sizes From M6

and Metric Sizes From M6 to M12 With Underhead Lengths Ranging From 1/2

000" UHL With 3/8" Socket Head SS 12PT BOLTS 3/8" UNC x 5

Aeroflow's stainless steel collector tap kits are great as a quick release fastener system for securing your exhaust to the collector

844-12-12BLK

AF969-06-10BLK

Magnum 4340 Forged Crankshaft 4.250" Stroke, 2.559" Mains, 2.100" Pins CA5PP31T- Product:Suit GM LS1 and Metric Sizes From M6Magnum 4340 Forged Crankshaft 4. 250" Stroke, 2. 559" Mains, 2. 100" PinsSuit GM LS1 CA5PP31T MG 58 5PP31T MG 58 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 and strength