Ron Shaver and Bob Westphal have combined their 70+ years experience in the sprint engine building business to create the ultimate gear drive.
- Made of ultra-light aluminum aircraft alloy
- Crack resistant steel idler gear support
- Gears precision cut from 9310 steel, with no more than a .001 total run out with 20 degrees pressure angle
- Fits most small block Chevys
- Highly adjustable and easy to install