This fitting will replace the TBI inlet fuel nut and provide a place for your fuel pressure gauge attachment. Dimension of attachment is 1/8" NPT.  Fitting comes with special OEM type teflon washer.  You will be able to use your OEM fuel line.

Part #  62-FP
86'-95' TBI Fuel Pressure Adapter Fitting 

Price: $29.95

86-95 GM TBI Liquid Filled Fuel Pressure Gauge

Includes installation gaskets and instructions.

Part #  62-PG
86-95 GM TBI Fuel Adjustable Fuel Regulator (with gaskets)

Price: $39.95

This Tbi Adjustable Regulator is needed for stock and modified GM tbi engines. At 3/4 to WOT the computer uses a fixed program for max power. Therefore,since it is not reading the A/F ratio you may need more or less fuel for maximum power. This regulator let's you change what the computer can't.

Includes installation gaskets and instructions.

Part #  62-FR
86-95 GM TBI Fuel Adjustable Fuel Regulator (with gaskets)

Price: $69.95

The photo at left shows the Throttle Body Injector Pod with the Fuel Pressure Adapter fitting, Fuel Pressure Gauge, and Adjustable Fuel Pressure Regulator installed

This Adjustable Fuel Pressure Regulator is a "must have" for stock and modified GM tbi engines.