QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 400 lbs/in Rate - 1970-1981 Pontiac Firebird eibach-12mm-wheel-spacer-silver-5x120mm-bolt-pattern 0i 4cyl (BK) was developed

0i 4cyl (BK) was developed for the everyday driver who needs to hug the curves yet retain road comfort

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QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 400 lbs/in Rate - 1970-1981 Pontiac Firebird eibach-12mm-wheel-spacer-silver-5x120mm-bolt-pattern 0i 4cyl (BK) was developeddon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1970 1981 Pontiac Firebird to meet the demands required by today's high performance drag race and handling pro touring cars, QA1's multi patent pending MOD Series shock will transform the way racers respond to changing track conditions and configurations. The key element to this tunability is QuickTune Technology: dry modular valve