TREMEC TCET17805 TKX 5-Speed Manual Transmission GM Mount

The TREMEC TCET17805 TKX 5-Speed Manual Transmission GM Mount is a high-performance rear-wheel-drive manual transmission designed specifically for GM-powered muscle cars, hot rods, trucks, and restomod projects . Featuring a 2.87:1 first gear and a 0.68 overdrive , this TKX model delivers strong off-the-line acceleration while significantly reducing engine RPM during highway cruising. Its compact, end-loaded design allows it to fit most classic GM transmission tunnels with little or no modification, making it an ideal upgrade for vintage performance vehicles. Built to withstand 600 lb-ft of torque , the TCET17805 features a durable three-piece aluminum case, high-strength alloy steel gears, and advanced multi-cone synchronizers with hybrid bronze/carbon friction rings for smooth, precise shifts up to 7,500 RPM . With mechanical and electronic speedometer outputs, three selectable shifter positions, and a GM mounting pattern, this transmission offers outstanding performance, reliability, and installation flexibility. Features Genuine TREMEC TCET17805 TKX 5-Speed Manual Transmission Designed for GM rear-wheel-drive applications Wide-ratio gearing with 2.87:1 first gear 0.68 overdrive for lower cruising RPM Rated for 600 lb-ft of torque Smooth high-RPM shifting up to 7,500 RPM Maximum engine speed of 8,000 RPM Compact end-loaded design for improved tunnel clearance Heavy-duty three-piece aluminum housing Multi-cone synchronizers with hybrid bronze/carbon friction rings High-strength alloy steel gears and shafts Three selectable shifter mounting locations Mechanical and electronic speedometer outputs Reverse light switch and neutral safety switch provisions GM mounting pattern Gear Ratios 1st Gear: 2.87:1 2nd Gear: 1.89:1 3rd Gear: 1.28:1 4th Gear: 1.00:1 5th Gear: 0.68:1 Reverse: 2.56:1 Specifications Brand: TREMEC Manufacturer Part Number: TCET17805 Model: TKX Transmission Type: 5-Speed Manual Drive Type: Rear-Wheel Drive Application: GM 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 Shifter Positions: Three Release Type: Mechanical Fluid Capacity: 2.7 Quarts Recommended Fluid: TREMEC High Performance Manual Transmission Fluid Bellhousing Included: No Shifter Included: Rear Stub Shifter Slip Yoke Included: No Package Includes TREMEC TCET17805 TKX 5-Speed Manual Transmission Rear Stub Shifter Reverse Light Switch Neutral Safety Switch Installation Hardware Manufacturer Documentation Bellhousing, clutch kit, flywheel, transmission mount, crossmember, slip yoke, and driveshaft are sold separately unless otherwise specified. Recommended Applications Ideal for: Chevrolet Camaro Chevrolet Chevelle Chevrolet Nova Chevrolet El Camino Chevrolet C10 Pickup Chevrolet Bel Air Chevrolet Impala Chevrolet Corvette Pontiac GTO Pontiac Firebird Oldsmobile Cutlass Buick Skylark Street Rods Restomod Projects Pro-Touring Builds High-Performance Street Cars Compatible with most GM V8 applications when paired with the appropriate bellhousing, clutch, and installation components. 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 clutch conversion TREMEC High Performance Manual Transmission Fluid Professional installation is recommended to ensure proper bellhousing alignment, drivetrain geometry, and optimal transmission performance. Warranty The TREMEC TCET17805 TKX 5-Speed Manual Transmission GM Mount is backed by a 1-Year Limited Warranty , covering defects in materials and workmanship under normal use and proper installation. Why Choose the TREMEC TCET17805 TKX? The TREMEC TCET17805 TKX is the ideal 5-speed upgrade for classic GM vehicles requiring modern strength, smooth shifting, and exceptional drivability. With a 600 lb-ft torque rating , 2.87 first gear , 0.68 overdrive , compact installation-friendly design, and premium internal components, it delivers outstanding acceleration, reduced highway engine speeds, and long-term durability. Whether you’re building a pro-touring car, restomod, or high-performance street machine, the TCET17805 provides the reliability and performance expected from TREMEC’s industry-leading manual transmissions.