Fits both aluminum sleeved and non-sleeved units.

In GM 4L60 units, modifying or replacing the throttle valve is a common practice during rebuild, but these modifications and replacements often alter performance, leaving the core unusable. Sonnax replacement throttle valve 77968-02 aids in restoring the core to original condition by following the OE design.

• Valve is made from hardened steel
• Follows OE design
• Salvages cores
• Drop-in Zip Valve™ installs quickly and easily