1988-98 GM Fullsize truck split face grommet GM drill the 2 existing screw

drill the 2 existing screw holes to 3/16" to allow new 10-32 flat head screw and nylon lock nut

Adapter plated to retrofit GM hydroboost to almost any car/truck with the GM center hole booster pattern

CNC machined from solid 6061 aluminum

090 5052 aluminum and screw right into the interior door handle pocket to prevent or fix the panel from breaking

Items are printed to order and shipped out as fast as I can

1988-98 GM Fullsize truck split face grommet GM drill the 2 existing screwCustom fit, 6061 billet aluminum split face grommet to utilize factory opening in firewall of 1988 98 GM C K 1500 OBS full size trucks. Grommet holes are designed to be used with Holley EFI engine, power, and transmission harnesses. 3 hole variant grommets have: . 5", 1. 0625", and . 7" holes 2 hole variant grommets have: 1. 0625", and . 7" holes To install these, remove the factory harness on the right side of the firewall, drill the 2 existing screw