Kit for 3500lb-7000lb axle - 1-3/4" wide spring

Our billet aluminum blocks are installed between the leaf spring and the trailer axle to raise or lower the ride height.

These 3500lb-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 selection (Your desired ride height adjustment)

Center Pin Head
Diameter: 0.656" (16.66mm)
Height: 0.438" (11.12mm)

Installation Instructions