Rugged Ridge Spartacus HD Tire Carrier Kit 18-20 Jeep Wrangler JLORV Shocks feature D. O. M. tubing for longer life and reduced internal wear. The piston rod is polished and chromed for longer life and the highest performance. 150 PSI Nitrogen charged design gives you the best of both on and off road use. Tough leak proof seals to ensure the shocks last the test of time. Each shock includes a black shock boot and ORV Sticker. Extended shock length: 19. 07 inches, collapsed shock length: 12. 07 inches. Installation