1 Inch Cast Iron Lift Blocks 01-10 Silverado 4WD/GMC Sierra 2500HD/3500HD 4WD Pair Tuff Country Air & Fuel - Fuel Delivery - Flex Fuel Sensor shielding them from rocks

shielding them from rocks

these high-strength fabricated blocks deliver long-lasting performance and reliability

engineers spec'd better material to assemble the primary and secondary windings

and monitor the ARC Module timeout feature

1 Inch Cast Iron Lift Blocks 01-10 Silverado 4WD/GMC Sierra 2500HD/3500HD 4WD Pair Tuff Country Air & Fuel - Fuel Delivery - Flex Fuel Sensor shielding them from rocksTuff Country P N 79064 cast iron lift blocks are designed to lift the rear end of the Silverado Sierra with leaf springs above the rear axle. Details: Rear Lift Blocks Non tapered design 2. 5 inches wide x 1 inch tall Cast iron Designed for rear axle of vehicles only Sold As A Pair Fits: 2001 2010 Chevrolet Silverado 2500HD 4WD 2001 2010 Chevrolet Silverado 3500HD 4WD 2001 2010 GMC Sierra 2500HD 4WD 2001 2010 GMC Sierra 3500HD 4WD Installation Note: