Fully Built Gearworks Diffs

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Proven race-winning design, used in more off-road victories than any other high-pinion drop-out.
• Custom-built for front or rear applications.
• 3.812″ carrier bore with ARB RD249CE air locking differential.
• Pre-machined, drilled, and tapped for ARB air lockers.
• Massive 9/16″ 8740 Chromoly main studs and billet Chromoly main caps.
• 2 load bolts to prevent ring gear deflection.
• .812″ tall tail bearing, secured by a bolt-in retainer plate.
• Hard anodised 2024 billet pinion support with large Timken bearings.
• Double-lip pinion seal with dust exclusion lip.
• 1/2″ ARP ring gear bolts and a billet 1350 yoke with welded seal guard.
• Available gear ratios: 4.57, 4.86, 5.14, 5.43, 5.83, 6.20.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate .
Price listed is the Starting Price - subject to individual specification.

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Proven race-winning design, dominating more off-road races than any other high-pinion drop-out.
• Precision-built for front or rear applications.
• 3.812″ carrier bore fitted with a 40 spline XHD spool for maximum durability.
• Pre-machined, drilled, and tapped for ARB air lockers—allowing for future upgrades.
• Massive 9/16″ 8740 Chromoly main studs and huge billet Chromoly main caps.
• 2 load bolts to prevent ring gear deflection under extreme loads.
• .812″ tall tail bearing, secured with a bolt-in retainer plate for added strength.
• Hard anodised 2024 billet pinion support, with large Timken bearings for increased load capacity.
• Double-lip pinion seal with a dust exclusion lip for superior sealing.
• Billet 1350 yoke with a welded seal guard for enhanced durability.
• Available gear ratios: 4.57, 4.86, 5.14, 5.43, 5.83, 6.20.

Full description below.

As these are built to individual specification please call us on +44 (0) 1732 463600  as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate.
Price listed is the Starting Price - subject to individual specification. 

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Race-Proven Performance – More off-road race wins than any other high pinion dropout.
• Precision Engineering – Designed with the highest quality components and rigorous testing.
• Customised for Your Application – Available for front or rear applications.
• Heavy-Duty Construction – Features massive 9/16" 8740 chromoly main studs and billet chromoly main caps with two load bolts.
• Spool Options – Comes with a 45 spline 30° spool, with a 45° pressure angle version available.
• ARB Air Locker Compatibility – Pre-machined, drilled, and tapped for easy conversion from spool to locker.
• Enhanced Strength & Durability – Includes a .812" tall tail bearing for increased load capacity, secured by a bolt-in retainer plate.
• Premium Pinion Support – Hard anodised 2024 billet pinion support with large Timken bearings and a double-lip pinion seal with a dust exclusion lip.
• High-Quality Yoke – Comes with a billet 1350 yoke, featuring a welded-on seal guard.
• Multiple Gear Ratio Options – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios.

See full description below.

As these are built to individual specification please call us on +44 (0) 1732 463600.
We Ship the built housing mounted to a wooden frame in a plastic shipping crate.
Price listed is the Starting Price - subject to individual specification 

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Proven Race-Winning Performance – More off-road victories than any other high pinion dropout.
• Precision Engineering – Built with the highest quality components and rigorous testing for ultimate reliability.
• Custom-Tuned for Your Application – Suitable for both front and rear setups.
• Durable 3.25" Case – Features forged main caps and ARP chromoly cap screws for maximum strength.
• ARB Locker Ready – Fitted with an ARB RD99CE for superior traction.
• Reinforced Tail Bearing – Utilises a .812" tall bearing for added load capacity, secured by a bolt-in retainer plate.
• Premium Pinion Support – Hard anodised 2024 billet pinion support with large Timken bearings and a double-lip pinion seal with a dust exclusion lip.
• High-Strength Yoke – Comes with a billet 1350 yoke, featuring a welded-on seal guard.
• Multiple Gear Ratio Options – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios.

Full details below.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate.
Price listed is the Starting Price - subject to individual specification 

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Race-Proven Performance – More off-road race wins than any other high pinion dropout.
• Built for Strength & Reliability – Crafted with the highest quality components and thorough testing.
• Customised for Your Needs – Suitable for both front and rear applications.
• Heavy-Duty 3.25" Case – Features forged main caps and ARP chromoly cap screws for secure retention.
• 35-Spline Spool – Delivers uncompromising strength and durability.
• ARB Air Locker Ready – Pre-machined, drilled, and tapped for easy conversion from spool to locker.
• Enhanced Load Capacity – .812" tall tail bearing, secured by a bolt-in retainer plate.
• Premium Pinion Support – Hard anodised 2024 billet pinion support with large Timken bearings and a double-lip pinion seal with a dust exclusion lip.
• High-Quality Yoke – Comes with a billet 1350 yoke, featuring a welded-on seal guard.
• Multiple Gear Ratio Options – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate .
Price listed is the Starting Price - subject to individual specification.

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Unmatched Race-Winning Performance – More off-road victories than any other high pinion dropout.

• Precision-Built for Strength & Reliability – Designed with top-tier components and extensive testing.

• Tailored for Your Application – Available for both front and rear setups.

• Heavy-Duty 3.25" Case – Features forged main caps and ARP chromoly cap screws for maximum retention.

• 40-Spline Spool – Engineered for extreme durability and power transfer.

• ARB Air Locker Ready – Pre-machined, drilled, and tapped for future locker conversion.

• Enhanced Load Capacity – .812" tall tail bearing, secured by a bolt-in retainer plate.

• Premium Pinion Support – Hard anodised 2024 billet pinion support with large Timken bearings and a double-lip pinion seal with a dust exclusion lip.

• High-Strength Yoke – Equipped with a billet 1350 yoke featuring a welded-on seal guard.

• Wide Range of Gear Ratios – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios.

See full description below.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate .
Price listed is the Starting Price - subject to individual specification.

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Precision-Engineered for Performance – Built with the highest quality components and rigorous testing.
• Custom-Tuned for Your Application – Designed for both front and rear setups.
• Heavy-Duty 3.812" Case – Features massive 9/16" 8740 chromoly main studs and billet chromoly main caps for extreme strength.
• ARB Air Locker Equipped – Fitted with the ARB RD249CE air locking differential for superior traction.
• Future-Proof Design – Pre-machined, drilled, and tapped for ARB air lockers.
• Enhanced Load Capacity – Utilises a .812" tall tail bearing, secured by a bolt-in retainer plate.
• Reinforced Pinion Support – Hard anodised 2024 billet pinion support with large Timken bearings and a double-lip pinion seal with a dust exclusion lip.
• High-Strength Yoke – Includes a billet 1350 yoke with a welded-on seal guard.
• Multiple Gear Ratio Options – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios.

See full description below.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate.
​​​​​​​Price listed is the Starting Price - subject to individual specification 

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Engineered for Ultimate Strength – Designed with top-quality components and rigorous testing for maximum durability.
• Customised for Your Application – Suitable for both front and rear setups.
• Heavy-Duty 3.812" Case – CNC machined to clear a ring gear with a true outer diameter of 9.500".
• 40-Spline XHD Spool – Built for extreme durability and power transfer.
• ARB Air Locker Ready – Pre-machined, drilled, and tapped for easy conversion from spool to locker.
• Superior Structural Integrity – Main bearing caps and spanner nuts made from chromoly steel, eliminating deflection and gear failure risks.
• Reinforced Fastening System – Secured with massive 9/16" ARP studs and hardware.
• Innovative Case Design – Includes two set screws at the 3 and 9 o’clock positions to aid in removal if stuck.
• Optimised Sealing & Skid Plate Compatibility – Four of the five 7/16" pinion support bolt holes are drilled and tapped blind to prevent sealing issues.
• Enhanced Load Capacity – Utilises a .812" tall tail bearing, secured by a bolt-in retainer plate.
• Premium Pinion Support – Hard anodised 2024 billet pinion support with large Timken bearings and a double-lip pinion seal with a dust exclusion lip.
• High-Strength Yoke – Includes a billet 1350 yoke with a welded-on seal guard.
• Multiple Gear Ratio Options – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios.

Full description below.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate .
​​​​​​​Price listed is the Starting Price - subject to individual specification 

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Race-Proven Durability – Built with the highest quality materials and tested for extreme off-road performance.
• Customised for Your Application – Designed for both front and rear setups.
• Heavy-Duty 3.812" Case – CNC machined to clear a ring gear with a true outer diameter of 9.500".
• High-Performance Spool – Fitted with a 45-spline 30-degree spool (45° Pressure Angle available).
• ARB Air Locker Ready – Pre-machined, drilled, and tapped for future air locker installation.
• Unmatched Structural Integrity – Chromoly steel main bearing caps and spanner nuts prevent deflection, spanner nut ejection, and gear failure.
• Reinforced Fastening System – Secured with massive 9/16" ARP studs and hardware.
• Easy Removal Feature – Two set screws at the 3 and 9 o’clock positions allow for jacking the case assembly out if stuck.
• Optimised Sealing & Skid Plate Compatibility – Four of the five 7/16" pinion support bolt holes are drilled and tapped blind to prevent sealing issues.
• Enhanced Load Capacity – Utilises a .812" tall tail bearing, secured by a bolt-in retainer plate.
• Premium Pinion Support – Hard anodised 2024 billet pinion support with large Timken bearings and a double-lip pinion seal with a dust exclusion lip.
• High-Strength Yoke – Includes a billet 1350 yoke with a welded-on seal guard.
• Multiple Gear Ratio Options – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios.

Full description below.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate.
​​​​​​​Price listed is the Starting Price - subject to individual specification 

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Proven Race-Winning Performance – Engineered for extreme off-road durability and reliability.
• Customisable for Your Application – Suitable for both front and rear configurations.
• Precision-Built 3.250" Case – Designed for high-strength performance.
• ARB Air Locker Equipped – Fitted with the ARB RD99CE air locking differential for ultimate traction control.
• Air Locker Ready – Pre-machined, drilled, and tapped to accommodate future air locker upgrades.
• Optimised Load Handling – Utilises a single load bolt for improved stability.
• Enhanced Load Capacity – Features a .812" tall tail bearing, secured by a bolt-in retainer plate.
• Premium Pinion Support – Hard anodised 2024 billet pinion support with large Timken bearings for maximum strength.
• Superior Sealing – Double-lip pinion seal with a dust exclusion lip for enhanced protection.
• Heavy-Duty Yoke – Includes a billet 1350 yoke with a welded-on seal guard.
• Multiple Gear Ratio Options – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios.

Full description below.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate. 
​​​​​​​Price listed is the Starting Price - subject to individual specification 

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Engineered for Durability – Built with the highest quality components and rigorous testing for exceptional off-road performance.
• Customised for Your Application – Ideal for both front and rear setups.
• Heavy-Duty 3.250" Case – Precision-designed for high strength and reliability.
• 35 Spline Spool – Fitted with a 35 spline spool for maximum performance and durability.
• ARB Air Locker Ready – Pre-machined, drilled, and tapped for easy ARB air locker installation when needed.
• Optimised Load Handling – Features a single load bolt to ensure stability under load.
• Enhanced Load Capacity – Includes a .812" tall tail bearing, secured by a bolt-in retainer plate for added strength.
• Premium Pinion Support – Hard anodised 2024 billet pinion support with large Timken bearings for smooth, reliable operation.
• Superior Sealing – Double-lip pinion seal with a dust exclusion lip to protect against contaminants.
• Heavy-Duty Yoke – Fitted with a billet 1350 yoke and a welded-on seal guard for extra protection.
• Multiple Gear Ratio Options – Choose from 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios.

Full description below.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate.
​​​​​​​Price listed is the Starting Price - subject to individual specification 

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Race-Proven Performance – Precision-engineered with top-quality components for unbeatable off-road durability.
• Customised Fit for Your Needs – Suitable for both front and rear axle applications.
• 3.250" Case for Strength – Designed to handle extreme loads with high-strength materials.
• 40 Spline Spool – Fitted with a 40 spline spool for maximum durability and performance.
• ARB Air Locker Ready – Pre-machined, drilled, and tapped for seamless ARB air locker installation if needed.
• Enhanced Load Handling – Utilises a single load bolt for added stability and strength.
• Increased Load Capacity – .812" tall tail bearing provides extra durability, secured with a bolt-in retainer plate.
• Premium Pinion Support – Hard anodised 2024 billet pinion support, paired with large Timken bearings for smooth operation.
• Reliable Sealing – Double-lip pinion seal with a dust exclusion lip to protect against contaminants.
• Heavy-Duty Yoke – Includes a billet 1350 yoke with a welded-on seal guard for added protection.
• Multiple Gear Ratio Options – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios.

Full product details below.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate.
​​​​​​​Price listed is the Starting Price - subject to individual specification 

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Proven Victory – More off-road race wins than any other high pinion dropout, thanks to superior design and testing.
• Tailored for Your Application – Custom-built for both front and rear applications to ensure a perfect fit.
• 3.812" Carrier Bores – Built for maximum strength and durability with robust carrier bores.
• 35 Spline Spool – Fitted with a 35 spline spool for enhanced performance and ruggedness.
• ARB Air Locker Ready – Pre-machined, drilled, and tapped to easily fit ARB air lockers should you decide to upgrade.
• Heavy-Duty Chromoly Construction – Massive 9/16" 8740 chromoly main studs and billet chromoly main caps provide ultimate strength.
• Dual Load Bolts – Designed with 2 load bolts for additional load-bearing capacity.
• Increased Bearing Capacity – .812" tall tail bearing, offering superior load handling and reliability.
• Premium Pinion Support – Hard anodised 2024 billet pinion support with large Timken bearings for smooth, long-lasting performance.
• Advanced Sealing – Double-lip pinion seal with dust exclusion lip to protect against contaminants.
• Heavy-Duty Yoke – Billet 1350 yoke with a welded-on seal guard for added protection and durability.
• Gear Ratio Options – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios to suit your needs.

Full description below.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate.
​​​​​​​Price listed is the Starting Price - subject to individual specification 

All Gearworks items are limited stock, Please contact us for availability before placing order.

• Precision Engineering for Victory – Crafted with the highest quality components and rigorous testing, ensuring unbeatable performance.
• Customised for Your Application – Whether for front or rear use, each thirdmember is specially set up for your needs.
• 3.812" Carrier Bores – Designed for maximum strength, built to withstand the toughest off-road conditions.
• 35 Spline Spool – Fitted with a 35 spline spool, offering enhanced strength and durability.
• ARB Air Locker Ready – Pre-machined, drilled, and tapped for easy installation of ARB air lockers in the future if needed.
• Chromoly Strength – Main bearing caps and spanner nuts are made from chromoly steel to resist deflection and gear failure, unlike aluminum alternatives.
• Heavy-Duty Fasteners – Secured by massive 9/16" ARP studs and hardware for a solid, long-lasting assembly.
• Precise CNC Machining – Case machined to clear a ring gear with an outer diameter of 9.500" for a perfect fit.
• Set Screw Functionality – Includes two set screws at the 3 and 9 o'clock position to help remove the case from the axle housing if stuck.
• Enhanced Sealing Features – Four of the five 7/16" pinion support bolt holes are drilled and tapped blind to prevent sealing issues when using a pinion support-mounted skid plate.
• Increased Bearing Capacity – .812" tall tail bearing for added strength, secured by a bolt-in retainer plate.
• Advanced Pinion Support – Features a hard anodised 2024 billet pinion support with large Timken bearings for long-lasting durability.
• Superior Seals – Double-lip pinion seal with a dust exclusion lip to ensure reliability in all conditions.
• Heavy-Duty Yoke – Billet 1350 yoke with a welded-on seal guard for extra protection and durability.
• Gear Ratio Options – Available in 4.57, 4.86, 5.14, 5.43, 5.83, and 6.20 ratios to meet your specific needs.

Full description below.

As these are built to individual specification please call us on +44 (0) 1732 463600 as there are numerous options in terms of gear type and ratio.

We Ship the built housing mounted to a wooden frame in a plastic shipping crate.
​​​​​​​Price listed is the Starting Price - subject to individual specification