TREMEC TKX 5-Speed Conversion Package | 1973-1979 Nova | Small Block Chevy

TREMEC TKX 5-Speed Conversion Package | 1973-1979 Nova | Small Block Chevy

TREMEC TKX 5-Speed Conversion Package | 1973-1979 Nova | Small Block Chevy

Description

Key Features

  • 600 lb-ft torque capacity with smooth shifts up to 7,500 RPM - handles serious small block power
  • Compact end-loaded case design fits GM A-body/X-body tunnels without floor modifications
  • 26-spline input shaft with 31-spline output shaft for maximum drivetrain strength
  • Three gear ratio options: wide-ratio 3.27:1 first gear or close-ratio 2.87:1 with 0.68 or 0.81 overdrive
  • Bolts to standard GM Muncie/Richmond bellhousing pattern - true bolt-in swap
  • Fully customizable package builder - select transmission ratio, bellhousing, clutch, hydraulics, shifter, and driveline components
  • Three-piece ribbed aluminum housing provides outstanding structural stiffness
  • Hybrid sintered bronze/carbon synchronizers deliver crisp, precise shifts at high RPM

Description

Your '73-'79 Nova deserves better than that worn-out four-speed or lazy automatic. This complete TREMEC TKX 5-speed conversion package delivers modern drivability with 600 lb-ft of torque capacity and single overdrive gearing that drops highway RPM while increasing both fuel efficiency and smiles per mile. The TKX was engineered from the ground up as an aftermarket transmission - not adapted from OE applications - and fits GM A-body platforms like the Nova without tunnel modifications.

TREMEC's compact end-loaded case design provides the slimmest 5-speed envelope on the market, with the leading edge of the case profiled specifically for tight tunnel clearance. The three-piece ribbed aluminum housing delivers structural stiffness while oversized gear widths and special-grade ASTM 4615 steel gears and shafts ensure durability under serious power. Multi-cone synchronizers with hybrid sintered bronze and carbon friction material enable confident 7,500 RPM shifts with none of the notchy, vague feel of older designs.

MDL's guided package builder walks you through selecting the optimal configuration for your build. Choose from three GM TKX gear ratios - wide-ratio 3.27:1 first gear with 0.72 overdrive for torque multiplication, or close-ratio 2.87:1 first with either 0.68 or 0.81 fifth gear for tighter performance spacing. Then select your bellhousing (aluminum or steel), clutch system, hydraulic master cylinder and release bearing, shifter configuration, flywheel, and driveline components. Every combination is engineered specifically for Nova small block applications.

Whether you're building a weekend cruiser or a Pro Touring corner-carver, MDL's concierge service provides expert guidance throughout the selection process. We'll help you match components to your project goals, power level, and budget. The TKX bolts to the same GM Muncie/Richmond bellhousing pattern your small block already accepts, and crossmember mounting points match OEM four-speed locations for straightforward installation.

Package Components

Components are selected during guided configuration and may include:

  • TREMEC TKX 5-speed transmission (choice of three gear ratios)
  • Bellhousing - aluminum or SFI-approved steel options
  • Bellhousing block plate
  • Hardware installation kit (aluminum or steel bellhousing specific)
  • Flywheel - steel or aluminum construction options
  • Flywheel bolts
  • Clutch assembly - single or twin-disc options from street to race-rated
  • Pressure plate bolts
  • Hydraulic master cylinder kit
  • Hydraulic line
  • Hydraulic release bearing
  • Clutch pedal assembly
  • Pedal pad kit
  • Custom offset shifter
  • Shift lever (multiple lengths available)
  • Shift knob and boot
  • Speedometer cable adapter and driven gear
  • Speedometer gear clip
  • Electronic speedometer sensor (if equipped)
  • Reverse light wiring harness
  • Crossmember
  • Transmission mount
  • 31-spline slip yoke (1310, 1330, or 1350 U-joint series)
  • TREMEC HP-MTF transmission fluid (3 quarts)
  • Installation instructions and lifetime technical support
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