Kit for 3500lb axle - 1-3/4" wide spring Select Block Height:1-1/2" Lift/Lowering Blocks are 6061-T6 Billet Aluminum

Blocks are 6061-T6 Billet Aluminum

This option includes Type II Anodizing and is ideal for trailers that see use in salt water or harsh northern winter conditions

This surface technology is designed to help prevent galvanic corrosion between two dissimilar metals

95 cm) diameter grade 5 u-bolts for a 1-3/4" (4

Kit for 3500lb axle - 1-3/4" wide spring Select Block Height:1-1/2" Lift/Lowering Blocks are 6061-T6 Billet AluminumOur billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height. These 3500lb axle kits include 1 2" (1. 27 cm) diameter grade 8 u bolts for a 2 3 8" (6. 03 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 selection