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1955-1957 Chevrolet Tri-Five TREMEC Magnum 6-Speed Conversion Kit | 700 lb-ft Capacity | T56-MAGNUM-CHEVY-5557

1955-1957 Chevrolet Tri-Five TREMEC Magnum 6-Speed Conversion Kit | 700 lb-ft Capacity | T56-MAGNUM-CHEVY-5557

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SKU:
T56-MAGNUM-CHEVY-5557

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Product Description:

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Hawks Motorsports offers our clients this 1955-1957 Chevrolet Tri-Five TREMEC Magnum 6-Speed Conversion Kit | 700 lb-ft Capacity | T56-MAGNUM-CHEVY-5557. This conversion kit upgrades classic Chevrolet Tri-Five vehicles with modern 6-speed overdrive performance, improved highway drivability, and increased drivetrain strength for street and performance applications.

Vehicle Configuration Required

Transmission conversion kits are vehicle specific. Complete the Hawks Motorsports Transmission Conversion Request Form before ordering so our team can verify compatibility and confirm the correct components for your application.

Installation Notice: Verify engine combination, drivetrain configuration, and vehicle specifications before ordering. Additional components may be required depending on manual or automatic transmission conversion requirements.

Designed for 1955-1957 Chevrolet Tri-Five applications, this TREMEC Magnum 6-Speed Conversion Kit provides modern manual transmission performance for Bel Air, 150, 210, and Nomad models. This kit is intended for vehicles currently equipped with a 3-speed or 4-speed manual transmission.

The TREMEC T56 Magnum 6-Speed features a double overdrive design with 700 lb-ft torque capacity, providing improved acceleration, reduced highway RPM, lower engine wear, cooler operating temperatures, and reduced noise, vibration, and harshness compared to traditional transmissions.

The available T56 Magnum gear ratios include wide ratio gearing with 2.66, 1.78, 1.30, 1.00, 0.80, and 0.63, or alternate gearing with 2.97, 2.10, 1.46, 1.00, 0.80, and 0.63.

The conversion kit includes the necessary components for installation, including the TREMEC T56 Magnum 6-Speed overdrive transmission, transmission support crossmember, driveshaft and slip yoke, speedometer connection, reverse light connector, pilot bearing, isolator mount, installation hardware, and detailed instructions with lifetime technical support.

The T56 Magnum uses friction-lined synchronizer blocker rings for smooth high-RPM shifting and is available with an optional front shift kit for applications requiring additional bench seat clearance.

KEY FEATURES:

  • TREMEC Magnum 6-Speed conversion kit for 1955-1957 Chevrolet Tri-Five vehicles
  • Fits Chevrolet Bel Air, 150, 210, and Nomad models
  • 700 lb-ft torque capacity
  • T56 Magnum double overdrive transmission
  • Designed for 3-speed and 4-speed manual conversions
  • Optional front shift kit available for bench seat clearance
  • Friction-lined synchronizer blocker rings for smooth shifting
  • 30-50% potential fuel economy improvement
  • Low RPM highway cruising
  • Reduced engine wear and operating temperatures
  • Reduced noise, vibration, and harshness
  • Wide ratio gear set: 2.66, 1.78, 1.30, 1.00, 0.80, 0.63
  • Alternate gear set: 2.97, 2.10, 1.46, 1.00, 0.80, 0.63
  • Transmission support crossmember included
  • Custom lightweight driveshaft and slip yoke included
  • Mechanical and electronic speedometer compatible
  • Reverse light connector included
  • Heavy-duty needle roller pilot bearing
  • Rubber isolator mount for vibration control
  • Complete installation hardware included
  • Detailed installation instructions with lifetime technical support
  • Market-leading warranty

FITMENT APPLICATIONS

MakeModelYears
Chevrolet Bel Air 1955-1957
Chevrolet 150 Series 1955-1957
Chevrolet 210 Series 1955-1957
Chevrolet Nomad 1955-1957

Verify fitment before ordering. Engine combination, clutch setup, transmission configuration, and required components must be confirmed before purchase.


INSTALLATION NOTES:

  • Complete the Hawks Motorsports Transmission Conversion Request Form before ordering.
  • This kit is designed for existing 3-speed and 4-speed manual transmission applications.
  • Additional components may be required depending on engine and drivetrain configuration.
  • Optional front shift kit may be required for certain bench seat applications.
  • Professional installation is recommended for drivetrain modifications.
  • Installed or modified components may not be eligible for return. Confirm application details before installation.

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