Belltech 4977 4-Degree Pinion Shim Set for 2.5- to 3-Inch Leaf Springs

Belltech axle pinion shims provide you the solution to easily correct the pinion angle of your rear axle to remove any unwanted vibrations. Crafted of high strength ductile cast iron and include new spring centering bolts. Belltech Pinion Shim kits are available sold in pairs in your choice of 1-6 degrees of angle. Belltech universal extruded aluminum axle shims are sold in pairs and are available in various degrees to solve almost any driveline vibration. Fits 2.5" or 3" wide leaf's including dual center pin applications. Ships in 1 box Universal Fitment 4 Pinion Shim for 2.5 in.-3 in. Wide leaf springs - (Also fits 2 center pin leaf springs)

• Aid in correcting driveline angles to remove unwanted vibrations
• Universal fitment for single and double center pin applications
• Includes: 2x shims, 2x spring center bolts, 2x nuts
• For 2.5" or 3" wide leaf spring packs
• 4 degree shim set

Correct rear axle pinion angle and help eliminate unwanted driveline vibrations with the Belltech 4977 4-Degree Pinion Shim Set. Designed for universal installation, this shim kit helps align the driveline on vehicles equipped with leaf spring rear suspensions. The high-strength ductile cast iron construction provides durable support under demanding automotive conditions.

The Belltech 4977 kit is compatible with 2.5-inch or 3-inch-wide leaf spring packs and supports both single- and dual-center-pin applications. The included spring center bolts and nuts help simplify installation while maintaining proper spring pack alignment. Shims are supplied as a pair for installation on one axle.

Brief Description: Belltech 4-degree axle pinion shims for correcting driveline angles on universal leaf spring applications.

Key Product Specifications & Technical Data:
Brand: Belltech
Part Number: 4977
Product Type: Axle pinion shim set
Shim Angle: 4 degrees
Application: Universal fitment
Leaf Spring Compatibility: 2.5-inch or 3-inch-wide leaf springs
Center Pin Compatibility: Single- or dual-center-pin applications
Construction: High-strength ductile cast iron

What's Included: Two pinion shims, two spring center bolts, and two nuts. The kit ships in one box.

Fitment: Universal automotive fitment for rear leaf spring applications requiring pinion angle correction. Verify leaf spring width, center-pin configuration, and required angle before installation. Professional installation is recommended to ensure correct driveline alignment and safe fastener torque.

Features:

• Pinion Angle Correction: Helps adjust rear axle driveline geometry to reduce or eliminate unwanted vibrations.
• Durable Construction: Made from high-strength ductile cast iron for dependable performance in demanding suspension applications.
• Universal Leaf Spring Fitment: Designed for 2.5-inch and 3-inch-wide leaf spring packs.
• Complete Installation Kit: Includes two 4-degree shims, two spring center bolts, and two nuts for a convenient paired installation.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1