The RCV Ultimate IFS CV Axles for +3.5 Long Travel Systems are engineered for high-strength performance in Toyota long-travel applications, including Marlin Crawler RCLT HD 3.5, Total Chaos +3.5 Race Series, and Camburg +3.5 Race Series suspension kits.

These axles eliminate the weak points found in OEM Toyota IFS shafts and deliver strength that exceeds many straight-axle swap setupswhile keeping the superior traction, control, and ride quality of IFS.

Designed to handle big tires, high horsepower, aggressive off-road use, and race-level environments, these Ultimate IFS axles use RCVs proven double-offset inboard CV and Dana-60inspired outboard CV architecture for unmatched articulation and durability.

Includes:

• Left & right Ultimate IFS CV axle assemblies
• 300M 35-spline center bars
• Pre-greased CV joints with RCV SPEC moly grease
• Black oxide finish
• Hardware (if applicable)
• Installation instructions

Specifications

• Compatible LT Kits: Marlin Crawler RCLT HD 3.5, Total Chaos +3.5 Race Series, Camburg +3.5 Race Series
• Vehicle Fitment: FJ Cruiser ('07'14), 4Runner ('03'23), Tacoma ('05'23)
• Center Bar: 35-spline 300M alloy
• Inboard CV: Double-offset, 1 ball bearings, 300M internals
• Outboard CV: Dana 60architecture, 4340/300M hybrid construction
• Coating: Black oxide standard
• Grease: RCV proprietary high-temp SPEC moly grease
• Plating Option: Nickel plating available for corrosion resistance

Fitment

• Toyota Applications (with +3.5 Long Travel Kits Only):
• 20052023 Tacoma 4x4
• 20072014 FJ Cruiser 4x4
• 20032023 4Runner 4x4
• Compatible Long-Travel Systems:
• Marlin Crawler RCLT HD 3.5
• Total Chaos +3.5 Race Series
• Camburg +3.5 Race Series

Notes:

• ONLY fits suspension systems listed above.
• Designed as direct long-travel replacements.

Tech Insight

OEM Toyota IFS axles neck down and cannot handle the angle, plunge, or torsional load demanded by long-travel suspension systems. RCV solves these weaknesses with:

Why These Axles Are Stronger

• 300M 35-spline center bar strongest in the Toyota IFS aftermarket
• Bigger CV internals for increased torque capacity and articulation
• Double-offset inboard joint maintains smooth power delivery at full droop
• Dana 60style outboard CV gives extreme angle strength with no bind
• SPEC grease formula controls heat during high-speed desert or Ultra4 conditions

These axles consistently prove themselves in Ultra4, SCORE, BITD, and other race environments. They provide the durability of a straight-axle swap while retaining the precision control and comfort of IFSmaking them the ultimate upgrade for long-travel Toyota builds.