3.622-Inch Stroke Nodular Iron Crankshaft Assembly

The Chevrolet Performance 12588612 is a nodular iron crankshaft assembly engineered for select GM engines. It boasts a 3.622-inch stroke and internal balancing for optimal performance and durability. Key specifications include a main journal diameter of 2.559 inches and a rod journal diameter of 2.100 inches. This crankshaft comes equipped with a pre-installed 58X reluctor wheel, ensuring compatibility with modern engine management systems. The rear main seal style is listed as '1-'. This genuine GM part is manufactured by General Motors and is backed by GM's factory warranty. It is designed as a direct replacement for specific GM applications, offering a reliable option for engine rebuilds or performance enhancements. The item weighs 52.70 pounds and has dimensions of 30.4 x 8.9 x 8.6 inches.