The Powerglide (2-speed) shifter can be used without modification for the TH350 or TH400 3-speed transmission. Use this cable installation kit to upgrade the Powerglide transmission or to install a factory console shifter in a car originally equipped with a column shift. 

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 1968-69 Firebird

TH350 
#C352 . . . $36.75

1968-69 Firebird

TH400 
#C353  . . . .$36.75

Neutral Safety/Backup Light Switch
Re-Location to Shifter Conversion

Eliminate linkage issues related to OEM switch location on the column.
Install switch to work with TH 3-Speed Transmission.

        

Includes mounting hardware Switch is NOT included. Purchase and Install 1968 Firebird Column Switch.

Mounting instructions and detailed drawings

TH NSS Conversion
SW652 . . . . . . .$49.50

1968-81 Firebird

GM Cable #498467
#C101 . . . $114.75

 

1968 Firebird

 TH700-R4, TH200-4R, 4L60
  #SC2262-8. . . . $89.25

1969-81 Firebird

 TH700-R4, TH200-4R, 4L60
  #SC2262. . . . $89.25 

Neutral Safety/Backup Light Switch
Re-Location to Shifter Conversion

Eliminate linkage issues related to OEM switch location on the column.
Install switch to work with OverDrive Transmission.

           

Includes Switch and all mounting hardware

Mounting instructions and detailed drawings

OverDrive NSS Conversion
#SW653 . . . . . . . $94.50

1968-81 Firebird

GM cable #498467
#C101  . . . . $114.75