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Give your 4R100 transmission the upgrade it deserves with the SportMonster Complete Rebuild Kit—a high-performance, street/strip-ready solution engineered for Ford Super Duty trucks, Excursions, and E-series vans. This premium rebuild kit is designed to handle increased torque, hotter temps, and tougher driving conditions without compromising reliability.
Featuring Kolene steel plates, high-performance clutches, and a full shift performance upgrade, the SportMonster kit delivers smooth, firm shifts and reinforced internals built to go the distance. Whether you're towing heavy loads, hauling hard, or building a street warrior, this rebuild kit ensures your transmission is ready for the challenge.