BC Racing ZR-Series Coilovers (I-01-ZR) 1552 7 1978 Pontiac Firebird Engine:

7 1978 Pontiac Firebird Engine: 5

Snap In Housing

This directly translates to +23 AWHP and +21 AWFT-LBS of torque making this a simple upgrade for more power you can feel

When the lever is in Low

2006 Dodge Charger Daytona R/T Sedan 5

BC Racing ZR-Series Coilovers (I-01-ZR) 1552 7 1978 Pontiac Firebird Engine:BC Racing's ZR Series models bring a 3 way adjustable track ready coilover system to racers at an affordable price that's never been seen in the industry. Each ZR series coilover system offers independent low speed high speed compression damping adjustments and separate rebound adjustment. They also offer full height adjustability independant of piston travel and spring preload. On cars with McPherson struts the ZR Series comes with an inverted mono