Strange Engineering Offers Line of Billet Aluminum Main Caps

Strange Engineering’s proven line of billet aluminum main caps improve strength for 8.8” Ford, GM 10 bolt, GM 12 bolt and Dana 60 housings. As horsepower increases, factory caps will deflect, which leads to premature wear of the gear and bearings, and ultimately resulting in failure.

The Strange Engineering billet caps are made from 2024-T351 aluminum and provide increased rigidity and strength when compared to the factory cast main caps. The reduced deflection improves gear life, bearing life and the overall strength of the OEM housing.

Each pair of caps is supplied with main cap bolts and detailed instructions for machining.

H1120 – GM 8.5” 10 bolt caps
H1121 – GM 12 bolt caps
H1122 – Dana 60 caps
H1124 – Ford 8.8” caps

All caps are $88.00 per pair. For more information, visit or call 847-663-1701.

(Content courtesy of Strange Engineering)