The Crane Axle GM 14-Bolt Steering Knuckle Builder Kit is designed to convert a GM 14-Bolt axle into a front steering axle assembly using proven Dana 60 kingpin geometry combined with Crane Axles REV14 Seal System. This setup gives builders the strength of a 14-Bolt center section while adding front steering capability for custom crawlers, competition buggies, and extreme off-road applications.

The system combines interlocking Dana 60 outer knuckles, chromoly inner Cs, keyed high steer arms, and a complete kingpin assembly package into a single builder kit. The included REV14 Seal System allows the GM 14-Bolt housing to be properly sealed for steering axle use, helping prevent contamination and gear oil leakage common in traditional front-steer 14-Bolt conversions. All major components are cast and machined in the USA from 8620 chromoly steel for improved durability, weldability, and resistance to fatigue under extreme off-road use.

Includes:

• (2) Chromoly Dana 60 Interlocking Outer Knuckles Unfinished Steel
• (2) Chromoly Dana 60 Inner Cs 3" Standard Bore
• (2) 1018 CR Steel Interlocking High Steer Arms
• (2) Crane Kingpin Caps
• (1) Crane Kingpin Components Kit
• (1) REV14 Seal System
• All Necessary Hardware

Specifications

• Converts GM 14-Bolt axle to front steering axle configuration
• Cast and machined from 8620 chromoly steel
• 3.00" standard inner C bore
• Inner Cs can be bored for up to 3.5" O.D. axle tube
• Interlocking keyed high steer arm system
• Uses Dana 60 kingpin geometry and service components
• Includes REV14 internal seal system
• Unfinished steel surface ready for coating or paint
• Manufactured in the USA

Fitment

Fitment Notes:

• Designed for GM 14-Bolt axle conversions
• Uses Dana 60 kingpin outer components
• Fits axle tubes with 3.00" standard bore
• Inner Cs may be machined for up to 3.5" O.D. axle tube
• Intended for custom fabricated and off-road axle builds

Tech Insight

GM 14-Bolt axles are known for their strength, but converting them into reliable steering axles has traditionally required significant fabrication and compromise. The Crane Axle system combines the proven serviceability and steering geometry of Dana 60 kingpin components with a purpose-built sealing system designed specifically for steering 14-Bolt applications.

The keyed interlocking high steer arm design transfers steering force directly into the knuckle body instead of relying solely on fastener clamping force. This greatly reduces the risk of bolt movement or shear under large tire loads and hydraulic steering stress. Combined with the REV14 Seal System, the result is a more durable and serviceable front steering 14-Bolt platform built for high-articulation and high-horsepower off-road environments.