Kit for 2500lb-3500lb square axle - 2" wide spring Select Anodizing Option:Not Anodized 42 cm) diameter grade 8

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

62 cm) square axles

95 cm) diameter grade 5 u-bolts for a 1-1/2" (3

These 1200-1800lb axle kits include 3/8" (0

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 2500lb-3500lb square axle - 2" wide spring Select Anodizing Option:Not Anodized 42 cm) diameter grade 8Our billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height. These square axle kits include 9 16" (1. 42 cm) diameter grade 8 square u bolts for a 2" (5. 08 cm) diameter axle tube. Blocks are 6061 T6 Billet Aluminum. Fits 2" (5. 08 cm) wide leaf springs. For 2" (5. 08 cm) square axles. Each kit includes 2 Trailer Blocks & 4 U Bolts for 1 axle. Block Length: 4" (10. 16 cm) Width: 2" (5. 08 cm)