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 strangeeng.net or call 847-663-1701. (Content courtesy of Strange Engineering)