American Automotive 3" Rear Suspension Lift Steel Blocks + Extra Long 12" Square Leaf Spring Axle U Bolts
Brand: American Automotive
Categories: Automotive, Replacement Parts, Shocks, Struts & Suspension, Self-Leveling Units

American Automotive steel lift blocks are stronger than aluminum. 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" Long x 2.5" Wide, 3" 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; threads can be cut down
CONTENTS: 2 US certified tapered steel lift blocks with 4 OEM grade steel square bend u-bolts, hi-nuts and extra thick washers
TECHNICAL NOTES: Install the tallest ends of the tapered rear blocks to the rear of the vehicle; Retighten u-bolts after the first 500 miles
BENEFITS: American Automotive steel lift blocks are stronger than aluminum. 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: U bolt color may vary

Manufacturer: American Automotive
Brand: American Automotive
Item Weight: 13.93 pounds
Package Dimensions: 12.64 x 5.16 x 4.02 inches
Is Discontinued By Manufacturer: No
Manufacturer Part Number: UBRBST10-491
OEM Part Number: UBRBST10-491
Position: Rear
Date First Available: May 29, 2016
Auto Part Position: Rear
Material: Alloy Steel
Maximum Lifting Height: 3 Inches