1/8 in. NPT Male Thread w/ -4 and 3/16 NPT Adapters 1998-pontiac-firebird-esi4271216 Designed to optimize horsepower production

Designed to optimize horsepower production from 1500 to 6500 rpm

The housing is 2-3/4" diameter featuring a blue anodized body and clear anodized caps

We recommend Fel-Pro part no

does need occasionally to buy some rotors in from approved sources to complete ranges in overseas markets

The RPM Air-Gap incorporates the same race-winning technology that's been used on our Victor Series competition intakes for years

1/8 in. NPT Male Thread w/ -4 and 3/16 NPT Adapters 1998-pontiac-firebird-esi4271216 Designed to optimize horsepower productionExample: MAP Sensor information for the ECU Calibration crucial information for the ECU.