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Hurst Tunnel Patch 1968-1972 GM A-Bodies

For Tremec TKO 5-speed transmission conversions.

PART# 69510005

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This custom laser-cut tunnel patch is designed for installing a Tremec TKO 5-speed manual transmission into 1968-1972 GM A-Bodies and is compatible with a bench seat, bucket seats and with or without a factory center console. It is specifically fitted for automatic floor pan vehicles, but can also be used on factory manual shift vehicles by further trimming the floor pan around the factory hump. Includes a pre-cut shifter hole in the proper location for the TKO transmission, is made from 18-gauge cold rolled steel and comes in a raw finish for ease of welding. This tunnel patch was designed to be used with Hurst part# 67510020 adjustable cross-member (available separately) that fits most all GM A-body coupes and convertibles with a Tremec TKO, Tremec Magnum 6-speed, GM TH350, TH400, 700R4 and many GM manual transmissions.


  • Designed to be Used with Hurst Part #67510020 Cross-member
  • Compatible with Bench, Buckets and Factory Consoles
  • Specifically Fitted for Factory Automatic Floor Pan
  • Pre-formed for Fab-fit for Many GM A-body Cars
  • Shifter Hole Lines up with Factory Consoles
  • Can be Trimmed for Factory Manual Cars
  • Heavy 18-gauge Cold Rolled Steel
  • Ready to Weld


Emission Code5
Item GradeHigh Performance
Material1018 CRS, 18 Gauge
Product TypeFloor Pan Patch Panel
California Proposition 65 Chemical NameChromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number69510005



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 1968-1972 GM A-Body. Used for installation of a Tremec TKO 5-speed Transmission.


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