QA1 Rear Pro Coil Shock - Double Adjustable, without Springs - 1978-1987 Pontiac Bonneville bilstein-sz-series-monotube-suspension-shock-absorber Bilstein B6 Performance Dampers for

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QA1 Rear Pro Coil Shock - Double Adjustable, without Springs - 1978-1987 Pontiac Bonneville bilstein-sz-series-monotube-suspension-shock-absorber Bilstein B6 Performance Dampers forQA1 now offers bolt in rear coil over shocks for the 1978 1987 Pontiac Bonneville. These shocks are available in single or double adjustable valving options. Single Adjustable Shocks provide 18 positions of simultaneous rebound and compression adjustment while QA1's double Adjustable Shocks provide 18 positions of compression adjustment and 18 positions of rebound adjustment, for a total of 324 possible valving combinations. These shocks also utilize