Hurst 67510021 Transmission Crossmember

Compatible with 1964-1967 GTO, Tempest & Le Mans Convertibles equipped with Tremec TKO 5-speed Transmission Conversions.

PART# 67510021

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The Hurst engineers designed this transmission crossmember specifically for 1964-1967 Pontiac GTO, Tempest and Le Mans convertibles when either replacing the old stock crossmember, or installing a Tremec TKO 5-speed transmission conversion. Much stronger than the stock unit, this crossmember helps maintain the correct transmission/driveshaft angle and includes all necessary hardware for installation. Fabricated from 3/16-inch thick cold rolled steel, mig welded for strength and features a durable black powdercoating. Also fits GM TH350, TH400, TH700R4 transmissions along with many GM manual transmissions. Note: Does Not fit Hardtop or Sedan models.


  • Designed for Installing a Tremec TKO 5-speed Transmission
  • Maintains the Correct Transmission/Driveshaft Angle
  • Precision Cut and Mig-welded for Strength
  • Stronger than the Stock Crossmember
  • 61 Years of Hurst Conversion Quality
  • Durable Black Powdercoated Finish
  • 3/16-inch Cold Rolled Plate Steel
  • Includes Hardware

Product Attributes

Emission Code5
Manufacturer Part Number67510021
Product TypeTransmission Crossmembers
California Proposition 65 RequiredNo
Part Number67510021



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.

Tech Resources

Fits 1964-1967 Pontiac GTO, Tempest & Le Mans convertible models when installing Tremec TKO 5-speed transmission. Note: Does Not fit Hardtop or Sedan models.


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