TREMEC T56 Magnum 6-Speed Conversion Package | Mopar Small Block

TREMEC T56 Magnum 6-Speed Conversion Package | Mopar Small Block

TREMEC T56 Magnum 6-Speed Conversion Package | Mopar Small Block

Description

Key Features

  • 700 lb-ft torque capacity - nearly double stock T56 strength for serious horsepower builds
  • Double overdrive gearing with choice of 2.66 or 2.97 first gear ratio sets for optimal street/strip versatility
  • 26-spline input shaft and 31-spline output for maximum drivetrain durability
  • Lightweight at approximately 135 lbs dry - significantly lighter than competing 6-speeds
  • Laser-beam welded gears with positive stops prevent over-travel on aggressive shifts
  • One-piece countershaft design eliminates weak splined connections found in earlier T56 units
  • Triple-cone synchros on 1st-4th with double-cone on 5th, 6th, and reverse for smooth, high-RPM shifts
  • Multiple shifter positions and dual speedometer outputs for maximum installation flexibility
  • Complete customizable package includes bellhousing, clutch, hydraulics, shifter, and all supporting hardware

Description

Building serious horsepower in your Mopar small block? The factory 4-speed can't keep up anymore, and weaker overdrive transmissions leave you choosing between inadequate strength and poor gear spacing. This complete TREMEC T56 Magnum conversion package solves both problems with the aftermarket's premier 6-speed performance manual transmission - one that combines TR-6060 architecture with the most popular features of the proven TKO 5-speed.

The Magnum handles 700 lb-ft of torque - almost double the capacity of the original T56. Gear face widths are significantly wider to handle increased loads, while two-piece laser-beam welded construction allows precise control of tooth angles, pitch, and alignment with positive stops to prevent slider over-travel on hard shifts. Spring-loaded ball-type shift keys replace failure-prone stamped steel keys, delivering short, smooth shifts. Enhanced shift forks with permanently mounted steel links eliminate aluminum wear and provide zero-deflection rigidity. The one-piece countershaft design further strengthens the assembly by eliminating the weak splined connections found in earlier two-piece designs.

This customizable package lets you configure every component for your specific Mopar small block application. Choose from multiple TREMEC transmission models, steel or aluminum bellhousing options, complete 10.5-inch clutch assemblies with 26-spline hubs in single or dual disc configurations, hydraulic master cylinder and release bearing systems in various configurations, shifters from Hurst or MDL, and all supporting components including speedometer parts, wiring harnesses, driveshaft yokes, and transmission fluid. Every piece is selected to work together for a complete, professional-grade conversion.

Dual speedometer pickups accommodate both mechanical and electronic speedometer applications, while multiple shifter locations provide the installation flexibility needed for classic Mopar tunnels and floor configurations. Whether you're building a street/strip warrior, a pro-touring cruiser, or a weekend track car, this package delivers bulletproof 6-speed performance with highway-friendly double overdrive gearing.

What's Included

  • TREMEC T56 Magnum transmission - choice of three models with different gear ratio options
  • Bellhousing - steel or aluminum options for Mopar small block applications
  • Complete clutch assembly - single or dual disc options, 10.5-inch diameter, 26-spline hub
  • Billet aluminum flywheel or steel flywheel options
  • ARP or standard pressure plate bolt set
  • ARP flywheel bolt set
  • Hydraulic master cylinder kit - multiple bore size options available
  • Hydraulic release bearing - multiple mounting styles available
  • Stainless steel braided hydraulic clutch line
  • Transmission mount
  • Shifter - choice of Hurst or MDL custom options
  • Shift boot and bezel
  • Speedometer cable adapter
  • Speedometer driven gear - multiple tooth counts available
  • Speedometer gear retaining clip
  • Electronic speedometer sensor option
  • Speedometer wiring harness
  • Reverse light wiring harness
  • Driveshaft yoke - 1310, 1330, or 1350 U-joint options, 31-spline
  • TREMEC-approved transmission fluid (4 quarts)
  • Complete installation hardware kit
  • MDL lifetime technical support
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