đăFitmentă:The full aluminum 7075 + 6061-T6 front and rear RC shocks aseembled are upgraded parts for 1/7 UDR Unlimited Desert Racer 85086-4. Replacement for #8450X, #8450R, #8450. đ„ăA little of oil Pre-filled & Adjustable Threaded Shock Collar & SpringăRCAWD RC shocks are pre-filled with a little oil, you can fill them according to your need, making the shocks different performances.đ„Threaded Shock Collar - threaded shock bodies provide the perfect blend of scale realism and added spring adjustabilty for fine-tuning of vehicle ride height. đ„ăSpecă:The all-inclusive kit contains 4pcs full alloy front & rear shock absorber with spring; 2pcs front shock absorber 135mm without spring; 2pcs rear shock absorber 160mm without spring.đ„Pls note that the harder you play with your RC car, the easier it will break, when this happens, contact our seller. đăAluminum alloy 7075 & 6061-T6 & CNC Machiningă:Hard-anodized colour, CNC machined PTFE-coated hardened alloy 7075 & 6061-T6(Shock body is top level 7075, other part is 6061-T6);The lightweight aluminum alloy material is durable and improves the overall performance of the shock absorber. âšăRCAWD Serviceă:Over 15 YEARS of developing, Your support and our continuous innovation have made us what we are today.Every customer is valued. Any doubts, pls contact our Friendly RCAWD team, we will solve it. RC Shocks