1992-1994 Camaro/Firebird LT1 Optispark Distributor Ventilation Installation Kit

Our ventilation kit will allow you to add vacuum ventilation to your original Optispark or replacement distributor, (DOES NOT FIT MSD UNITS). The vacuum harness comes with all the correct pieces, vacuum check valve, vacuum filter and restriction orifice to prevent distributor cap implosion. Our vacuum tee assembly fits into your distributor aluminum body and a new brass contact distributor cap is supplied with port for vacuum hose connection. Adapter fittings are also part of the kit with a section of convoluted tubing for hose protection.  INSTALLATION REQUIRES A #27 OR 9/65" DRILL BIT