Nationwide shipping on powertrain orders
TREMEC TCET18083 TKX 5-Speed Manual Transmission Wide Ratio Chevy
TREMEC

TREMEC TCET18083 TKX 5-Speed Manual Transmission Wide Ratio Chevy

SKU: bea6ccb2bc78
$2,316.00
In stock

TREMEC 5-Speed manual transmission or conversion package for performance, restoration, street, or racing applications. Verify engine, bellhousing, input shaft, shifter position, and vehicle fitment before ordering.

Buy now

Shipping estimator

Enter a ZIP code for delivery guidance.

Need help confirming fitment?

Our specialists verify compatibility before you order.

Talk to a powertrain specialist
The TREMEC TCET18083 TKX 5-Speed Manual Transmission Wide Ratio Chevy is a premium 5-speed rear-wheel-drive manual transmission engineered for GM-powered classic cars, muscle cars, hot rods, and restomod projects . Featuring a wide-ratio gear set with a 3.27:1 first gear , this TKX transmission delivers outstanding off-the-line acceleration while its 0.72 overdrive provides reduced engine RPM for comfortable highway cruising. Rated to handle 600 lb-ft of torque , the TKX is built with a rugged three-piece aluminum case, wider gears, and advanced multi-cone synchronizers for exceptionally smooth, high-RPM shifting. Its compact, end-loaded design fits many classic GM applications with minimal or no transmission tunnel modifications, making it one of the most versatile manual transmissions available. Features Genuine TREMEC TCET18083 TKX 5-Speed Manual Transmission Wide-ratio gearing for excellent street performance Designed for GM rear-wheel-drive applications Rated for 600 lb-ft of torque Smooth shifting up to 7,500 RPM Maximum engine speed of 8,000 RPM Compact end-loaded case for improved tunnel clearance Three selectable shifter mounting locations Multi-cone synchronizers with hybrid bronze/carbon friction rings Oversized gear widths for increased durability Ribbed three-piece aluminum housing Mechanical and electronic speedometer provisions Built-in reverse light switch Integrated GM transmission mount pattern Low noise, vibration, and harshness (NVH) Gear Ratios 1st Gear: 3.27:1 2nd Gear: 1.98:1 3rd Gear: 1.34:1 4th Gear: 1.00:1 5th Gear: 0.72:1 Reverse: 3.00:1 Specifications Brand: TREMEC Manufacturer Part Number: TCET18083 Model: TKX Transmission Type: 5-Speed Manual Application: GM Rear-Wheel Drive Torque Capacity: 600 lb-ft Maximum Engine RPM: 8,000 RPM Recommended Shift RPM: 7,500 RPM Case Material: Aluminum Dry Weight: Approximately 99 lbs Input Shaft Diameter: 1.125 inches Input Shaft Spline Count: 26 Output Shaft Diameter: 1.375 inches Output Shaft Spline Count: 31 Speedometer Output: Mechanical and Electronic Release Type: Mechanical Fluid Capacity: 2.7 quarts Recommended Fluid: TREMEC High Performance Manual Transmission Fluid Shifter Positions: 3 Bellhousing Included: No Shifter Included: Stub Shifter Slip Yoke Included: No Package Includes TREMEC TCET18083 TKX 5-Speed Manual Transmission Rear-Mounted Stub Shifter Reverse Light Switch Cruise Control Safety Switch Installation Hardware Manufacturer Documentation Bellhousing, clutch kit, flywheel, crossmember, transmission mount, slip yoke, and driveshaft are sold separately unless otherwise specified. Recommended Applications Ideal for: Chevrolet Camaro Chevrolet Chevelle Chevrolet Nova Chevrolet C10 Pickup Chevrolet Bel Air Chevrolet El Camino Chevrolet Corvette (conversion applications) Pontiac GTO Pontiac Firebird Buick Skylark Oldsmobile Cutlass GM LS Engine Swaps Pro-Touring Builds Street Performance Vehicles Classic Muscle Cars Installation Requirements Installation may require: GM-compatible bellhousing 26-spline clutch disc 31-spline slip yoke Transmission crossmember Transmission mount Driveshaft modification depending on vehicle Clutch linkage or hydraulic conversion TREMEC High Performance Manual Transmission Fluid Professional installation is recommended to ensure proper alignment, shifter placement, and optimum drivetrain performance. Warranty The TREMEC TCET18083 TKX 5-Speed Manual Transmission Wide Ratio Chevy is backed by a 1-Year Limited Warranty , covering defects in materials and workmanship under normal use and proper installation. Why Choose the TREMEC TCET18083 TKX? The TREMEC TCET18083 TKX Wide Ratio is an ideal upgrade for enthusiasts seeking a modern manual transmission that combines exceptional strength with everyday drivability. Its 600 lb-ft torque capacity , 3.27 first gear , 0.72 overdrive , compact installation-friendly design, and high-RPM shift capability make it perfect for classic GM muscle cars, LS swaps, street machines, and pro-touring builds. Designed with premium synchronizers, oversized gears, and a lightweight aluminum housing, the TKX delivers smooth shifting, outstanding reliability, and excellent highway performance.
Nationwide shipping
Secure checkout
Expert fitment support