Kit for 4000lb-7000lb axle - 1-3/4" wide spring Select Block Height:1" Lift/Lowering Anodizing Option:

Anodizing Option:

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

Diameter: 0

If you select the Anodizing Option

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

Kit for 4000lb-7000lb axle - 1-3/4" wide spring Select Block Height:1" Lift/Lowering Anodizing Option:Our 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 1 3 4" (4. 45 cm) wide leaf springs. Each kit includes 2 Trailer Blocks & 4 U Bolts for 1 axle. Block Length: 4" (10. 16 cm) Width: 1 3 4" (4. 45 cm) Height: Varies by