ARB - 0750001B - Differential Cover _tab_faq-shiprock-chevy-silverado These adjustable arms will allow

These adjustable arms will allow you to properly set your rear pinion angle due to adding a lift

They also have a longer extended and compressed length than the regular GS59-221

Also suitable for Toyota Land Cruiser Prado 120 and 150 Note: For Off Road Use Only

Superior Designed Nitro Gas Monotube Shocks

and Heat Dispursing Diecast Alloy Housings

ARB - 0750001B - Differential Cover _tab_faq-shiprock-chevy-silverado These adjustable arms will allowWhen off road, it is inevitable that obstacles and off road hazards will be encountered that could potentially inflict expensive damage to your differential. To prevent this, ARB manufactures the differential cover. Using high tensile nodular iron, it has been engineered to protect the differential and ring and pinion set from any off road hazards.