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Hurst Transmission Crossmember for 1968-1972 GM A-Body

For Tremec TKO 5-speed & Magnum 6-speed Conversions. Also fits TH350, TH400, TH700R4 and many GM manual transmissions.

PART# 67510020

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$484.00   Suggested Retail
$434.95   Holleydays Price
Estimated shipping date: 12/21/2020
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We designed this Hurst transmission crossmember to fit 1968-1972 GM A-bodies such as the Chevelle, Cutlass, 442, GTO, Tempest, LeMans, Skylark, and also the Grand Prix (G-Body) applications when installing a Tremec TKO 5-speed or Tremec Magnum 6-speed transmission. Much stronger than the stock unit, this crossmember helps maintain the correct transmission/driveshaft angle and is adjustable for both coupes and convertible chassis's. The crossmember has a a durable black powder coating and includes all necessary hardware for installation. Also fits El Camino, station wagons and other vehicles that are based off the A-body chassis. This crossmember is a great choice to replace your old beat up original crossmember and can be used with GM TH350, TH400, TH700R4 automatics along with many GM manual transmissions. Be sure to check out Hurst tunnel patch part #69510005 (available separately) designed specifically for transplanting a Tremec transmission in your A-body car.


  • Also fits GM TH350, TH400 and TH700R4 Automatic Transmissions
  • Great for Tremec TKO 5-speed & Magnum 6-speed Transplants
  • Maintains the Correct Transmission/Driveshaft Angle
  • Designed to be Used with Hurst Part# 69510005
  • Adjustable for Coupes and Convertible Chassis
  • Much Stronger than the Stock Crossmember
  • 61 Years of Hurst Conversion Quality
  • Durable Black Powdercoated Finish
  • Includes all Necessary Hardware
  • Precision Cut and Mig-welded


Emission Code5
FinishPowder Coat
Item GradeHigh Performance
Product TypeTransmission Crossmember
California Proposition 65 RequiredNo
Part Number67510020



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 and Hardware

Tech Resources

Fits 1968-1972 GM A-Body Applications such as GS, Skylark, Chevelle, 442, Cutlass, GTO, Grand Prix, Lemans. Used to install a Tremec TKO 5-speed or Magnum 6-speed transmission. Also works with GM TH350, TH400, TH700R4 and many GM manual transmissions.


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    Some parts are not legal for use in California or other states with similar regulations.

     X  Holleydays 2020 20% off and DD
     X  Holleydays 2020 20% off and DD