D2 Racing RS Series Coilovers (D-AU-01-RS) 4010 75 to a 3 inch

75 to a 3 inch diameter tube

Carb rated flow of 900 lbs/hr at 9 psi and 13

The plug is used to block the mechanical speedometer gear port when upgrading to an electronic speedometer and keep contaminents from getting in your transmission

8 1980 Oldsmobile Starfire Engine: 2

D2 Racing RS Series Coilovers (D-AU-01-RS) 4010 75 to a 3 inchThe RS Series suspension kit is our most popular coilover. Featuring a 36 way damping and rebound adjustable monotube design, RS Series coilovers are perfect for the modified street car that also sees occasional track days. This coilover has separate height and preload adjustments allowing for optimal suspension tuning while maintaining full strut travel at all times Key Features: Uses either a rubber upper mount or pillowball rubber upper mounts.