Dial in your rear-end setup with precision using this 9-inch rear axle tube narrowing guide tool. Designed for fabricators and performance builders, this fixture helps accurately measure and mark axle tube cuts while maintaining proper pinion centerline alignment during rear-end narrowing.

Whether you’re building a custom-width rear axle for a street, drag, or off-road application, this tool eliminates guesswork and ensures repeatable, professional-level results.

Key Features

• Helps accurately determine axle tube cut length during narrowing
• Maintains proper pinion centerline alignment
• Engraved markings for driver and passenger sides
• Clearly marked axle cut reference lines
• Ideal for performance and custom rear-end builds

Construction & Finish

• CNC-machined from 6061-T6 aluminum
• High-strength yet lightweight design
• Anodized finish for corrosion and wear resistance
• Precision-engraved reference markings for long-term readability

Applications

• 9-inch rear axle housings used in classic and performance builds
• Street, drag racing, off-road, and custom fabrication projects

Common Vehicle Platforms

• Classic muscle cars
• Trucks and SUVs using 9-inch rear ends
• Custom chassis and restomod builds

Package Contents

• 1 × Rear axle tube narrowing guide tool

This axle narrowing guide is a must-have tool for any serious builder looking to achieve clean, accurate rear-end modifications with confidence and consistency.