SCAT’s 4340 standard weight crankshafts will give you strength and reliability to dominate the competition. With SCAT’s premium non-twist forgings, machined to exact specifications, big and reliable cubic inches can be made. Correct weight to work for most 305 engines and features 2 piece rear main seal. Designed & engineered at SCAT. Precision ground & micro polished. Heat treated & ion nitrided. Straight shot & chamfered oil holes. Lightening holes & large radii on all journals. 2.10" rod journal diameter. 5.70" rod length. 3.480" stroke. 2 piece rear main seal.
