1966-1977 Early Bronco TREMEC TR-4050 Kits

Toughen your Early Bronco with our PerfectFit™ TREMEC TR-4050 5-Speed Transmission Kits. This heavy-duty upgrade delivers a massive 6.16:1 first gear for superior crawling and a .76 overdrive for highway cruising. Our kits are the most complete on the market, including every necessary component for a seamless 4WD installation. Experience modern strength and precision in your classic 1966-1977 Bronco without the hidden costs or missing parts found elsewhere.