74678L-HD - Sonnax 4L60E Transmission Heavy Duty Output Shaft
Sonnax 4L60E Transmission Heavy Duty Output Shaft 74678L-HD
Output 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
Earn Up to 737 Transparts Reward Points.
Sonnax 4L60E Transmission Heavy Duty Output Shaft 74678L-HD
Output 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
Manufacturer | Sonnax |
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