Input shaft failure is common as power levels are increased in Ford 4R100 and 5R110W units. Sonnax heavy duty input shaft 36670-HD is precision-engineered for unrivaled performance in high horsepower gas and diesel applications. Machined from 300M ultra high-strength steel for exceptional toughness and manufactured with rolled splines for resistance to spline-twist and breakage.
- Suitable for any high-horsepower street, towing or competition application
- Rolled splines for increased durability
- Specially heat-treated and processed for maximum toughness and straightness
- Manufactured from 300M ultra high-strength steel for maximum strength and resistance to fracture