American Automotive 1.5" Rear Suspension Lift Solid Cast Iron Blocks + Extra Long 12.5" Square Leaf Spring Axle U Bolts
Brand: American Automotive

American Automotive solid cast iron lift blocks are stronger than aluminum and cast as a single, more stable construction than blocks with pressed pins. They are designed to increase rear load and towing capacity. American blocks absorb noise and vibrations, and are tapered for perfect pinion alignment. American Automotive u bolts are manufactured for maximum clamp force and are guaranteed for life. Made of cold drawn certified 1541 carbon steel OEM factory material with grade 8 hardware, American u bolts embody extreme strength and maintain OEM handling characteristics. These square u bolts are engineered to clamp 2.5 inch wide leaf springs and are 12 inch extra-long measured from the bottom of the bend to the bottom of the threads. American u-bolts provide an even distribution of pressure to protect against premature spring failure and unwanted movement. Allowances need to be made for all overloads and aftermarket leafs. 5 inch thread can be cut down to fit many applications. Lift Block Specs: 5.8" Long x 2.5" Wide, 1.5" Tall with 9/16th Pin. U-Bolt Specs: Square, 12" Length x 2.5" Width x 9/16 Thread Pitch

FITMENT: All makes and models with a single 9/16" axle pin hole and 2.5" leafs that require square 12.5" extra-long clamp; Does not fit 4WD 3.5" Axle trucks
CONTENTS: 2x 1.5" lift blocks with 4 OEM grade steel square bend u-bolts, hi-nuts and security spring washers.
TECHNICAL NOTES: Install the tallest ends of tapered rear blocks to the rear of the vehicle; Retighten u-bolts after the first 500 miles
BENEFITS: American Automotive solid cast iron lift blocks are stronger than aluminum and cast as a single, more stable construction than blocks with pressed pins. They are designed to increase rear load and towing capacity. American blocks absorb noise and vibrations, and are tapered for perfect pinion alignment. Made for maximum u bolt clamp force with an even distribution of pressure, American axle u bolts eliminate flexing and provide the strength to maintain original vehicle handling.
NOTE: Please verify the width of your u bolt before purchasing this kit