Aldan American - Coil-Over Kit GM - 300240Attributes: Brand Name: Aldan American GTIN: 00685757186612 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. 250 front, 12. 000 rear Crossmember Included: No Extended Length: 13. 500 front, 17. 000 rear Gas Charged: Yes Hardware Included: Yes Internal Design: Twin tube Lower