TREMEC T5 (1352-000-251) 5-Speed Manual Transmission for 1965–1973 Ford Mustang
Part Number: TRA-000-389
Upgrade your classic Mustang with the most popular drivetrain modification available — the brand-new TREMEC T5 (1352-000-251) 5-Speed Manual Transmission, designed to fit 1965–1973 Ford Mustangs. This legendary transmission swaps out the original non-overdrive 3- and 4-speed Toploader units for a modern overdrive solution used in 1983–1993 Fox Body Mustangs.
The TREMEC T-5 delivers a highway-friendly overdrive and a deep first gear for powerful off-the-line starts, transforming your Mustang into a true driver’s car with improved fuel economy, performance, and reliability — all while retaining the nostalgic charm of your classic ride with the use of our T-5 adaption components.
Seamless Bolt-On Installation
California Pony Cars has engineered all the components and accessories necessary for a true DIY bolt-on installation. No cutting or major modifications are required. You can retain the factory:
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Emergency brake linkage
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Speedometer cable
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Clutch linkage
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Flywheel
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Clutch
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Starter
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Throw-out arm and bushings
We also offer year-correct OEM-style shifter lever handles and transmission crossmembers, allowing you to maintain your Mustang's original look while upgrading performance.
Why Choose California Pony Cars?
We’ve been manufacturing award-winning T-5 conversion kits for over 40 years with a proven track record in Mustang restoration. As the originators of the T-5 overdrive conversion kit, we provide quality, experience, and true American craftsmanship that stands the test of time.
TREMEC T-5 Transmission Specs (1352-000-251)
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Weight: 75 lbs. dry
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Torque Capacity: 300 lb-ft
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Overdrive: 0.63:1
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Improved drivability with light shift effort and smooth shift quality
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Wide-ratio gear set for versatile performance
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Advanced synchronizer technology and engineered friction materials
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Internal single-rail shift system for precision shifting
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Die-cast aluminum housing for reduced weight and added durability
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Tapered roller bearings reduce noise and improve longevity
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Sliding idler reverse for a reliable and simple design
Gear Ratios:
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1st Gear: 3.35
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2nd Gear: 1.93
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3rd Gear: 1.29
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4th Gear: 1.00
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5th Gear (Overdrive): 0.63
Oil Recommendation:
Approximately 2.7 quarts of Dexron III ATF
What’s Included:
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(1) Brand-new TREMEC T-5 5-Speed Manual Transmission
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1-Year Manufacturer Warranty
Need more Transmission?
Check out our TREMEC TKX 5-Speed Transmission (Part #TRA-000-398), perfect for high-horsepower classic builds.
For complete conversion kits and accessories, call us at 1-888-CAL-PONY (1-888-225-7669).
