Ford 9" 40 spline lightweight steel spool 1/2" bolts (3.812" Bearing)
Mark Williams
SKU: 53125
$399
Racing Use Only, Not Legal for Road Use
Typically used in Top Alcohol Dragster and Pro Modified Cars. For 3.812" bore case 57448 or 57448-95S is required). Manufactured from through hardened 4140 high strength steel, black oxide coated.
Instructions: Click Here
Features:
- Cut for 40 spline axles
- 4140 Through hardened steel
- Uses 1/2" bolts
- Weighs 10 pounds
- Made in the USA
Note: We recommend replacing ring gear bolts every time a new gear is setup.