Aldan American - Coil-Over Kit GM - 300237Attributes: Brand Name: Aldan American GTIN: 00685757186582 Adjustable Mounting Bracket Included: No Adjustable Valving: Yes Body Diameter: 2 Bushing Color: Black Bushing Material: Polyurethane Coil Over Kit Position: Front and rear Coil Over Springs Included: Yes Compressed Length: 10. 750 front, 12. 000 rear Crossmember Included: No Extended Length: 14. 300 front, 17. 000 rear Gas Charged: Yes Hardware Included: Yes Internal Design: Twin tube Lower