Kit for 1200lb-1800lb square axle Select Block Height:2-1/2" Lift/Lowering Fits 1-3/4" (4

Fits 1-3/4" (4

These 4000lb-7000lb heavy axle kits include 9/16" (1

62 cm) square axles

The process artificially oxidizes the surface of the billet aluminium in a controlled manor which helps to electrically isolate the Trailer Block from the steel it is in contact with on the axle and leaf spring

Kit for 1200lb-1800lb square axle Select Block Height:2-1/2" Lift/Lowering Fits 1-3/4" (4Our billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height. These 1200 1800lb axle kits include 3 8" (0. 95 cm) diameter grade 5 u bolts for a 1 1 2" (3. 81 cm) diameter square axle tube. Blocks are 6061 T6 Billet Aluminum. Fits 1 3 4" (4. 45 cm) wide leaf springs. Each kit includes 2 Trailer Blocks & 4 U Bolts for 1 axle. Block Length: 3" (7. 62 cm) Width: 1 3 4" (4. 45 cm) Height: Varies