Axles and birfields

Reinforced Front Axles for Suzuki Samurai – Nitro Gear & Axle. High-strength chromoly front axles with 26 splines on both ends, upgraded from the factory 22 splines. Designed for extreme durability, they require a 26-spline rear differential or compatible lockers (Lock Right 1530, ARB RD208). Precision heat-treated and polished for maximum strength and reliability, Nitro Gear & Axle ensures top-quality drivetrain components for your Suzuki Samurai.

The strongest new Birfields for Suzuki Samurai – built from forged 4340 chromoly steel with 300M internals. Designed with 33 splines for superior torque transfer, delivering 60% more strength than previous kits. Tested for extreme durability to handle the toughest trails. Made in the USA. 1-year warranty.

Trail-Gear Rock Assault™ Birfield Kit for Nissan Patrol Y60/GQ/Safari and Ford Maverick (1987–1997). Axles and housings are made from forged 4340 chromoly steel, with the inner Birfield ball crafted from ultra-strong 300M steel. 30/31 spline design delivers maximum strength for extreme off-road use. 12-month manufacturer warranty. Made in the USA.

Heavy-duty Longfield™ 30-spline axle kit for Toyota Land Cruiser 70 Series (LJ/RJ/KZJ). Made from forged 4340 chromoly steel and heat-treated for superior strength, delivering 76% more durability than stock axles. Covered by a 12-month manufacturer warranty. Made in the USA.

Reinforced Longfield™ front axles and joints for Suzuki Jimny JB33 (1998–2005) and JB43 (2000–2015). Made from forged 4340 chromoly steel with double-hardened joints. Axles feature 22 splines at the differential and 33 at the joints, providing 60% more strength than stock parts. Made in the USA, 1-year limited warranty.

Reinforced Longfield™ rear axles for Suzuki Jimny JB23 (1998–2015). Built from high-strength 4340 chromoly steel, designed to withstand extreme off-road conditions. Kit includes axles and new studs. Made in the USA, 1-year limited warranty.

Reinforced Longfield™ rear axles for Suzuki Samurai (1986–1995). Made from high-strength 4340 chromoly steel, built to handle the toughest off-road conditions. Kit includes axles and new studs. Made in the USA, 1-year limited warranty.

Reinforced Longfield™ rear axles for Suzuki Vitara (1989–1998) with 4 studs. Made from durable 4340 chromoly steel, designed to withstand the toughest off-road conditions. Kit includes axles and new studs. Made in the USA, 1-year limited warranty.

Reinforced Front Axles for Suzuki Samurai – Nitro Gear & Axle. High-strength chromoly front axles with 26 splines on both ends, upgraded from the factory 22 splines. Designed for extreme durability, they require a 26-spline rear differential or compatible lockers (Lock Right 1530, ARB RD208). Precision heat-treated and polished for maximum strength and reliability, Nitro Gear & Axle ensures top-quality drivetrain components for your Suzuki Samurai.

Podpora przegubu przedniej główki Suzuki Vitara + uszczelniacz.

Trail-Gear Rock Assault Nissan Patrol Birfield Kit – premium axle and joint set for Nissan Patrol (1997–2013) and Safari (1997–2004). Made from 4340 chromoly steel with a 300M steel inner joint ball. Axles feature 30 splines at the joint side and 31 at the differential. Made in the USA, 12-month manufacturer warranty.

The strongest front axle and joint kit for Suzuki Jimny JB33/JB43 (1998–2015). Made from 4340 chromoly steel, double heat-treated, with larger diameter axles, 26 splines at the differential side, and 33 splines at the joints. 60% stronger than stock parts. Includes axles, joints, and C-clips. Made in the USA.

Reinforced Front Axles for Suzuki Samurai – Nitro Gear & Axle. High-strength chromoly front axles with 26 splines on both ends, upgraded from the factory 22 splines. Designed for extreme durability, they require a 26-spline rear differential or compatible lockers (Lock Right 1530, ARB RD208). Precision heat-treated and polished for maximum strength and reliability, Nitro Gear & Axle ensures top-quality drivetrain components for your Suzuki Samurai.

Reinforced Rear Axles for Suzuki Jimny JB74 – Longfield™. Durable Longfield™ rear axles for the Suzuki Jimny JB74 (2019–2022), made from 4340 chromoly steel and designed to withstand the highest loads and extreme off-road conditions. The kit includes axles and new studs. Made in the USA, limited 1-year manufacturer warranty.

Reinforced Front Axles and Joints for Suzuki Jimny JB74 – Longfield™ 33-Spline. The strongest front axle and joint set on the market for the Suzuki Jimny JB74 (2019–2022). Made from 4340 chromoly steel with double-hardened joints and increased axle diameter. 26 splines at the differential side and 33 splines at the joints provide 60% more durability compared to stock parts. Made in USA.

Reinforced Front Axles for Suzuki Jimny JB74 (22-Spline) – Trail-Gear
The strongest front axles on the market for the Suzuki Jimny JB74 (2019–2022). Made from 4340 chromoly steel with forged and internally hardened joints. The axles feature 22 splines at the differential side and 33 splines at the joints, allowing for higher torque transfer. This set increases durability by 60% compared to stock components.

Fits: 2019–2022 Suzuki Jimny JB74

Ultimate Dana 44 CV Axle Set for Jeep Wrangler JL (International Version, Outside the USA) – One-Piece Design

The Ultimate Dana 44 CV Axle Set is specifically engineered for international models of the Jeep Wrangler JL. Featuring a one-piece constant velocity (CV) joint design, this axle set delivers unmatched strength, smooth performance, and long-lasting durability—perfect for demanding off-road use as well as everyday driving.

Keep your RCV Ultimate CV joints and axles in perfect condition with the RCV CVJ3525-BS-R repair kit, designed specifically for RCV axles in the Nissan H233B Patrol Y61 GU.

Price per piece

Manufactured in the USA using only high-strength chromoly materials, the RCV Performance Ultimate 30 Spline CV axle set is a reinforced alternative to Toyota’s factory axles. The original axles were designed with 30 splines at the differential, tapering down to 27 splines at the CV joint—often a point of failure. This kit eliminates that weak link by replacing the 27-spline CV joint with a robust 300M CV race featuring 30 splines.

The Ultimate Axle Kit is an advanced solution specifically designed for Toyota Land Cruiser 40/55 Series (1976–1984) and 70 Series (1984–1990) models. This kit replaces the factory axle shafts with modern, reinforced 30-spline shafts made from 300M material. By utilizing this exceptionally strong alloy, the kit delivers a significant increase in strength and load-bearing capacity compared to the original components.

The Ultimate 26 Spline CV Axle Kit is designed to replace the factory axle shafts in the Suzuki Jimny JB33 and JB43, which often struggle under increased loads. The stock axles feature 22 splines at the differential—a known weak point in the design. This kit upgrades to reinforced 26-spline axle shafts, matching the rear differential specification and eliminating the problematic taper for improved durability and performance.

The Ultimate CV Axle Kit is specially designed for Suzuki Samurai models from 1986 to 1995. Made from high-strength chromoly materials, it offers a significant improvement in durability and reliability compared to the factory axles. Its construction eliminates common failure issues typically experienced under extreme off-road conditions.

This advanced Ultimate CV Axle Shaft Kit is specially designed for the Nissan Patrol Y61 GU model equipped with the 31-tooth H233B differential. Manufactured in the USA from high-strength chromoly materials, this kit offers significantly greater durability and reliability compared to the factory axles.

Ultimate 300M CV Half Shaft Set for Nissan Patrol Y61 GU ('97+) with HF 33 Spline Lock4

The Ultimate 300M CV shaft set is designed for the Nissan Patrol Y61 GU, manufactured from 1997 onwards, featuring 33 splines with an HF lock. These shafts provide a significant improvement in strength and reliability compared to standard shafts.

RCV Performance Ultimate CV Axle Kit for Nissan Patrol Y60 GQ ('87–'97)

The RCV Performance Ultimate CV axle kit for the Nissan Patrol Y60 GQ (1987–1997) delivers exceptional strength and reliability—perfect for off-road enthusiasts. Designed as a direct replacement for the factory axle shafts with 31-spline configuration, this kit offers a significant upgrade thanks to the use of 300M alloy steel inner shafts, providing superior load resistance and long-lasting durability.

RCV Performance Ultimate 300M CV Axles for Jeep JL Rubicon with Dana 44

RCV Performance Ultimate 300M CV axles for the Jeep JL Rubicon with Dana 44 axle deliver exceptional strength and smooth operation you can feel behind the wheel. These axles replace the factory Jeep JL components with high-strength constant velocity (CV) joint assemblies, eliminating the vibrations and wheel "chatter" commonly caused by uneven power delivery from traditional U-joints.

RCV’s CV joints offer six points of contact throughout a full range of motion—up to 45 degrees of articulation—ensuring maximum strength and power transfer even at full steering lock. This makes them the ultimate choice for off-road enthusiasts demanding reliable performance under extreme conditions.