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Hurst Transmission Crossmember Frame Adapter for 1978-1983 GM G-bodies

For Tremec Magnum 6-speed Conversions on 1978-1983 GM G-bodies.

PART# 67510019

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This Hurst frame extender is designed specifically for 1978-1983 GM G-bodies, GM G-Body applications such as Cutlass, Monte Carlo, Regal, Grand Prix and Malibu applications when installing a Tremec Magnum 6-speed transmission. This extender is designed to be used with Hurst crossmember part# 675610018 and is used to replicate the longer driver side frame rail as developed by GM beginning in the 1984 model year. Features a durable black powdercoated finish and includes necessary hardware. Backed by our Lifetime Limited Warranty.


  • Designed to be Used with Hurst Crossmember Part# 67510018
  • For Tremec Magnum 6-speed Transmission Conversions
  • Constructed from Thick Cold Rolled Steel
  • Durable Black Powdercoated Finish
  • Precision Cut and Fully Mig-welded
  • Lifetime Limited Warranty
  • Includes Hardware


Emission Code5
FinishPowder Coat
Item GradeHigh Performance
Product TypeTransmission Crossmember
California Proposition 65 RequiredNo
Part Number67510019



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

In The Box

In The Box

  • Crossmember Adpater and Hardware

Tech Resources

Fits 1978-1983 GM G-Body Applications such as Cutlass, Monte Carlo, Regal, Grand Prix, Malibu. To be used with Hurst crossmember part# 67510018 (sold separately) when doing a Tremec Magnum 6-speed manual transmission conversion.


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