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The All-New TREMEC TKX 5-Speed Manual Transmission – TCET18086

Unleash Maximum Performance for Your Ford Build – 600 lb-ft of Torque Handling, .72 Overdrive & Fast Shifts!

If you're ready to take your Ford-powered muscle car, street machine, or restomod to the next level, the TREMEC TKX 5-Speed Transmission (TCET18086) is the upgrade you’ve been waiting for. Engineered for serious performance, daily reliability, and modern drivability, this TKX 5-speed manual transmission is built to handle up to 600 lb-ft of torque and shift cleanly at a screaming 7,500 RPM. Whether you're carving corners, tearing up the strip, or cruising the highway with .72 overdrive, the TKX delivers where it matters.

Transmission Features at a Glance:

• Part Number: TCET18086

• Ford-Specific Input Shaft: 10-Spline – Requires 10-spline clutch disc

• Output Shaft: 31-Spline

• Gear Ratios:

  • 1st – 3.27

  • 2nd – 1.98

  • 3rd – 1.34

  • 4th – 1.00

  • 5th – 0.72 (fuel-saving overdrive!)

• Torque Capacity: 600 lb-ft

• RPM Capability: 7,500 RPM shift points

• Shifter Compatibility: Three locations for flexible fitment (front shift kits available from SST!)

• Warranty: 12-Month Factory Warranty from TREMEC

Designed for Power, Built for Precision

• Compact, end-loaded design fits most transmission tunnels

• Heavy-duty 3-piece aluminum housing for maximum rigidity and strength

• High-performance billet aluminum short-throw shifter delivers crisp, clean shifts with reduced throw and isolated road noise

• Advanced multi-cone synchronizers with sintered bronze and carbon hybrid rings for superior shift quality

• Noise, vibration, and harshness (NVH) optimized gear layout – smooth and quiet, even at high RPM

• Gaskets at all mating surfaces for leak-free, easy installation

• Built-in reverse light switch and cruise control safety switch – modern features for today’s builds

Why Choose the TKX Over the Competition?

The TREMEC TKX isn’t just an upgrade – it's a transformation. With modern internals, OEM-level engineering, and track-proven performance, the TKX 5-speed is the ultimate replacement for outdated 4-speeds and overworked T5s. Ideal for classic Mustangs, Falcons, Fairlanes, street rods, Pro-Touring builds, and more.

Whether you're chasing highway MPG with .72 overdrive, or trying to harness big torque in a lightweight chassis, the TKX is built to win – from street to strip.

Upgrade to the TREMEC TKX Today – Performance, Durability & Drivability in One Package.

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