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1965-1970 GM B-Body TREMEC Magnum 6-Speed Basic Conversion Kit | GMBBODY-MAG-BASIC-6570

1965-1970 GM B-Body TREMEC Magnum 6-Speed Basic Conversion Kit | GMBBODY-MAG-BASIC-6570

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GMBBODY-MAG-BASIC-6570

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Product Description:

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Hawks Motorsports offers our clients this 1965-1970 GM B-Body TREMEC Magnum 6-Speed Basic Conversion Kit | GMBBODY-MAG-BASIC-6570. This TREMEC Magnum Basic Kit provides classic GM B-Body vehicles with modern 6-speed double overdrive performance while allowing experienced builders the flexibility to complete custom installation modifications.

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: This is a Basic Kit intended for builders capable of modifying or fabricating their own crossmember and tunnel hump. Additional components and fabrication may be required depending on vehicle configuration.

Designed for 1965-1970 GM B-Body applications including Impala, Caprice, Bel Air, Biscayne, Bonneville, Catalina, and Grand Prix models, this TREMEC Magnum 6-Speed Kit delivers increased performance, improved highway cruising, and modern drivability for classic GM builds.

The TREMEC T56 Magnum 6-Speed features a double overdrive design, 700 lb-ft torque capacity, and strong internal components designed for street performance applications. The additional overdrive gears reduce engine RPM at highway speeds, improving fuel economy, reducing engine wear, and creating a more comfortable driving experience.

The TREMEC Magnum is available with wide and close ratio gear sets. Wide ratio gearing includes 2.66, 1.78, 1.30, 1.00, 0.80, and 0.63. Alternate gearing includes 2.97, 2.10, 1.46, 1.00, 0.80, and 0.63.

This Basic Kit includes the essential components needed for a custom installation, including the TREMEC T56 Magnum 6-Speed transmission, slip yoke, pilot bearing, isolator mount, speedometer connection, reverse light connector, installation hardware, and detailed instructions with lifetime technical support.

KEY FEATURES:

  • TREMEC Magnum 6-Speed Basic Conversion Kit for 1965-1970 GM B-Body vehicles
  • Fits Impala, Caprice, Bel Air, Biscayne, Bonneville, Catalina, and Grand Prix models
  • Designed for custom builders and fabrication-ready installations
  • TREMEC T56 Magnum 6-Speed double overdrive transmission
  • 700 lb-ft torque capacity
  • Wide and close ratio gear options available
  • Friction-lined synchronizer blocker rings for smooth high RPM shifts
  • 30-50% potential fuel economy improvement
  • Low RPM highway cruising
  • Reduced engine wear
  • Cooler engine operating temperatures
  • Reduced noise, vibration, and harshness
  • Optional front shift kit available for bench seat clearance
  • Mechanical and electronic speedometer compatible
  • Reverse light connector included
  • Heavy-duty needle roller pilot bearing
  • Rubber isolator mount for vibration control
  • Slip yoke included
  • Installation hardware included
  • Detailed installation instructions with lifetime technical support
  • Market leading warranty

FITMENT APPLICATIONS

MakeModelYears
Chevrolet Impala 1965-1970
Chevrolet Caprice 1965-1970
Chevrolet Bel Air 1965-1970
Chevrolet Biscayne 1965-1970
Pontiac Bonneville / Grand Prix 1965-1970
Pontiac Catalina 1965-1970

Verify fitment before ordering. Engine combination, existing transmission configuration, interior setup, and required fabrication must be confirmed before purchase.


INSTALLATION NOTES:

  • This is a Basic Kit and does not include a complete PerfectFit installation package.
  • Crossmember and tunnel modifications may be required.
  • Driveshaft, crossmember, and additional fabrication components may be required depending on application.
  • Complete the Hawks Motorsports Transmission Conversion Request Form before ordering.
  • 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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