1988-98 GM Fullsize truck split face grommet GM OEM block off gasket required

OEM block off gasket required (GM PN: 12611386 or similar)

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

CNC machined from solid 6061 aluminum

Laser cut from 3/16" AR500 steel

or wheel/tire clearance in bagged trucks

1988-98 GM Fullsize truck split face grommet GM OEM block off gasket requiredCustom 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