Kit for 4000lb-7000lb axle - 2" wide spring Select Block Height:2" Lift/Lowering The process artificially oxidizes the

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

The appearance and texture of the Trailer Block is changed as it undergoes the anodizing process

Blocks are  6061-T6 Billet Aluminum

03 cm) diameter axle tube

Kit for 4000lb-7000lb axle - 2" wide spring Select Block Height:2" Lift/Lowering The process artificially oxidizes theOur billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height. These 4000lb 7000lb heavy axle kits include 9 16" (1. 42 cm) diameter grade 8 u bolts for a 3" (7. 62 cm) diameter axle tube. Blocks are 6061 T6 Billet Aluminum. Fits 2" (5. 08 cm) wide leaf springs. Each kit includes 2 Trailer Blocks & 4 U Bolts for 1 axle. Block Length: 4" (10. 16 cm) Width: 2" (5. 08 cm) Height: Varies by