Sonnax 74678L-HD Heavy Duty Output Shaft 4L60E 4L65E 4L70E 2WD and Corvette only

Interchange Part Number: S74678AAHD, 74678L-HD,24238748Manufacturer Part Number: S74678AAHD, 74678L-HDUPC: Does not applyBrand: SonnaxFitment Type: Performance/CustomType: Output Shaft 4L60-E, 4L65-E, 4L70-E Heavy Duty Output ShaftPart No. 74678L-HD Fits 2WD and Corvette applications only. OE Part No. 24238748Output shaft failure is common as power levels are increased in GM 4L60-E, 4L65-E and 4L70-E units. Sonnax heavy duty output shaft 74678L-HD for 2WD and Corvette units is precision engineered and manufactured for unbeatable performance in high-horsepower street and strip builds. The shaft features many unique refinements available only from Sonnax, including a torsional design that allows energy to be absorbed, reducing peak loads to critical areas. High-strength 300M steel shaft with rolled splines Specially heat-treated and processed for maximum toughness Torsional design absorbs energy, reducing peak loads to critical areas