$999.00

944/968 (Rear) Coilover Assembly (Pair)

944rearco
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PROUDLY MADE IN THE USA
By Ground Control Suspension Systems
Helper Springs are 4" or 8" tall springs with a very low spring rate. (They can be fully compressed with just your index finger and thumb.) Their primary purpose is to keep tension on the main spring at full droop. This prevents the main spring from coming loose & settling improperly upon significant weight transfer to the opposite side of the vehicle (lifting the corner in question off the ground,) when jumping the vehicle, during aggressive or track oriented driving, or off road applications. Another benefit worth noting is their ability to keep everything 'in place' when lowering the vehicle with a hydraulic jack. Without them, you will need to make sure the main springs settle correctly into place, as well as the top hats, etc.
We have been building and selling these kits for several years now, but we have never put them on the website. We start with a Ground Control designed rear lower shock mount. Machined from high carbon steel, and using a grade 8 bolt, this rear lower mount is designed to carry the weight of the car after springs are added to the shock. We utilize a Koni monotube rear shock, adjustable for rebound damping. This shock is available in our standard default damping for standard width cars, or heavier damping for wider cars with higher spring rates. The Koni shock is mounted inverted for less unsprung weight, and features the exclusive GC coilover hardware with single-locking sleeve and your choice of Eibach race spring. The same kit is used to supplement rear torsion bars (PCA Stock Class) or by choosing a different spring rate, the rear torsion bars can be removed completely. If you are considering over 700 pound rear springs, we recommend fabricating a double shear rear lower mount to supplement our lower mount.
*Will only work with aluminum (turbo) arms, we recommend that all early cars convert to the aluminum arms*
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