These 1964-66 Pontiac GTO, LeMans, Tempest front OEM spindle power disc brake conversion kits are one of the most popular sellers on the market. Now you can convert to power disc brakes while retaining the original factory ride height, with our complete stock spindle power disc brake kit. These kits are zero offset to factory GM disc brakes. This kit works with many 14" disc brake wheels. The stock steering arms may need to be modified.