Manley Valve - Exhaust, Valve-LS7 R/M 1.615 1992-pontiac-firebird-esi4307584 supercharged or nitrous applications where

supercharged or nitrous applications where additional fuel is required to prevent lean out conditions and engine damage

including drag racing and street performance

S550 Mustang Rear Lower Control Arm bushings replace the mushy factory bushing in the rear lower control arm

UMI's 90081 LS to LT conversion bracket adapts the modern GM LT direct injection engine to our popular GM LS (Gen III / IV) engine mount system

BMR Suspension designed the SB023 sway bar for street performance

Manley Valve - Exhaust, Valve-LS7 R/M 1.615 1992-pontiac-firebird-esi4307584 supercharged or nitrous applications whereManley? 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