Manley Valve - Exhaust, Valve-R/M 1.880,+.100 1997 pontiac firebird and feature a fine-tuned spring

and feature a fine-tuned spring rate to give you great handling and a smooth ride

Installation: Item installs in approximately 1-2 hours using basic hand tools

Copper Corrosion 1b

The TCA055's heavy-duty construction eliminates control arm flex

This produces lower air intake temperatures which results in added horsepower and the ability to add more timing advance with less detonation

Manley Valve - Exhaust, Valve-R/M 1.880,+.100 1997 pontiac firebird and feature a fine-tuned springManley? s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM