Services We Offer

Here’s a detailed overview of what you’ll find under one roof at Fearless Gear.

boise differential

Differential & Rear-End Services

• Full differential rebuilds: bearings, seals, backlash & gear setup, checking preload, and test run-in.
• Ring & pinion installation and setup for proper mesh and gear contact pattern.
• Posi-traction, limited-slip, and locker installations/upgrades.
• Spools, full floater conversions, custom-ratio rear ends.
• Differential covers, special gear oils / additives for performance and longevity.
• Inspection & diagnostics of existing rear-end assemblies: gear noise, bearing noise, backlash issues, seal leakage.

rear differential boise

Axle & Driveline Components

• Replacement or fabrication of axle shafts for high-load applications.
• Housings (rear end, third-member) rebuild or upgrade.
• Pinion yokes, driveshaft / companion flange inspection, upgrades.
• Used-parts sourcing when cost or vintage compatibility is a factor.

custom

Performance Builds & Custom Applications

• Builds for desert trucks, off-road rigs, drag-race cars, street performance.
• Custom ratio selection, high-toughness gear sets, high-capacity bearings / shafts.
• Advice on indexing, gear-selection relative to tire size, power level, and driving environment.

Parts Sales & Nationwide Shipping

We keep a robust inventory: axle shafts, complete rear-ends, differential covers, housings, lockers, posi units, ring & pinion sets, bearing / master setup kits, oil & additives, used parts.

We ship across the U.S. — perfect if you’re building elsewhere and need trusted front-end / rear-end specialists.

parts

What Our Customers Think of Fearless Gear