Blocks for 1200lb-1800lb axle - 1-3/4" wide spring Select Anodizing Option:Not Anodized Blocks are 6061-T6 Billet Aluminum

Blocks are  6061-T6 Billet Aluminum

These 3500lb axle kits include 1/2" (1

27 cm) diameter grade 8 u-bolts for a 2-3/8" (6

42 cm) diameter grade 8 u-bolts for a 3" (7

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

Blocks for 1200lb-1800lb axle - 1-3/4" wide spring Select Anodizing Option:Not Anodized Blocks are 6061-T6 Billet AluminumThe billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height. Each order includes 2 Trailer Blocks. 6061 T6 Billet Aluminum Fits 1 3 4" (4. 45 cm) wide leaf springs Block Length: 3" (7. 62 cm) Width: 1 3 4" (4. 45 cm) Height: Varies by selection (Your desired ride height adjustment) Center Pin Head Diameter: 0. 522" (13. 27mm) Height: 0. 315" (8. 00mm) Installation Instructions Anodizing