Vehicle Fitment
| Make | Model | Year |
|---|---|---|
| Ford | Bronco | 1966-1986 |
| F-100 | 1957-1983 | |
| F-150 | 1975-1987 | |
| Fairlane | 1957-1970 | |
| Falcon | 1970 | |
| Mustang | 1964-1973 | |
| Thunderbird | 1957-1971 | |
| Torino | 1968-1976 | |
| Mercury | Cougar | 1967-1973 |
Product Details
Lightweight Differential Spool by Mark Williams Enterprises®. The standard and scalloped light weight steel spools are produced from 4140 alloy steel forgings and CNC machined to extreme-ly tight tolerances. All steel spools are thru hardened using our in-house austemper heat treating process. This exclusive process produces a reliable, highly ductile, quality spool. Aluminum spools are produced from 7075 forgings and hard coat anodized for durability. The bearing journals and ring gear flange on all spools are CNC ground on special fixtures that ensure perfect concentricity with the axle spline and near zero ring gear run-out.
Specifications
| Spline: 40 M/W |
| Material: 4140 Forged Steel |
| Bore Case: 3.250" |
| Profile Milling and Cross-Hole Drilling Saves 2-1/2 Pounds Over Standard |
| Bolt: 7/16" |
Features
- Quality control ensures maximum reliability
- Manufactured from first-rate materials
- Proudly made in the USA
Mark Williams Enterprises® manufactures a full range of racing axles, spools, rear end housings, steel, aluminum or carbon fiber driveshafts and disc brake kits. M-W also makes an assortment of chassis and driveline components at its Denver-area facility. All the parts required to set up 9” Ford, 12-bolt Chevy, 8.8 Ford, 8-3/4 Mopar and Dana 60 rear ends, including ring and pinion gears, Detroit Lockers, Posi-Traction differentials, and bearings are in stock at Mark Williams Enterprises. Special driveline and/or brake packages available for Acura, Camaro, Chevelle, Corvette, Fairlane, GM, Honda, Mustang, Mustang II and Pinto applications.
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Questions and Answers
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