Fishbone Offroad FB27370 Leaf Spring Shim 4 Degree 2.5 Inch

Fishbone Offroad FB27370 is a universal 4-degree leaf spring shim designed for 2.5-inch leaf springs. This pinion angle shim improves driveline angle to preserve U-joint health and deliver smoother performance on demanding off-road terrain.

Key Features:

• Black powdercoated steel construction for durability
• Sold in pairs (2 shims included)
• 4-degree angle adjustment for optimal pinion alignment
• Compatible with 2.5-inch leaf springs
• Universal fitment for trucks, Jeeps, and off-road vehicles
• Prolongs U-joint lifespan by reducing strain on driveline components

Crafted from high-quality materials to withstand off-road adventures and heavy use, these shims help optimize suspension geometry after lifting or leveling your vehicle. Installation requires basic mechanical skills and approximately 3 hours.