Yukon Gear & Axle · New
Yukon Gear High Performance Yukon Ring & Pinion Gear Set for Toyota Clamshell Front Axle 3.91 Ratio
MPN YG TLCF-391R-CS · Store SKU yukYG TLCF-391R-CS
Supplier stock checked 11/7/2026, 5:31:40 AM UTC. Adding a part does not reserve it.
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Product details
Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing processes, backed by 2 in-house quality labs to ensure each item manufactured meets exacting specifications & quality standards. Yukon designed gear tooth surface finish reduces both friction & heat for long races & high torque conditions. We use high grade steel in both the ring & pinion, with fitment designed to OEM specs. Go ahead, add loads of horsepower & go big on tires because Yukon offers the widest selection of gear ratios to choose from. You?ll know that your gear choice was the right one, because you chose Yukon. Yukon Ring & Pinions come with a 1 year warranty against manufacture defects. Yukon offers a Y.E.S. Plan for a lifetime, comprehensive, no-questions-asked protection plan covering your gears for as long as you own the vehicle. Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing processes, backed by 2 in-house quality labs to ensure each item manufactured meets exacting specifications & quality standards. Yukon designed gear tooth surface finish reduces both friction & heat for long races & high torque conditions. We use high grade steel in both the ring & pinion, with fitment designed to OEM specs. Go ahead, add loads of horsepower & go big on tires because Yukon offers the widest selection of gear ratios to choose from. You'll know that your gear choice was the right one, because you chose Yukon. Yukon Ring & Pinions come with a 1 year warranty against manufacture defects. Yukon offers a Y.E.S. Plan for a lifetime, comprehensive, no-questions-asked protection plan covering your gears for as long as you own the vehicle. Yukon Ring and Pinion sets give you the confidence of knowing you're running gears designed for the harshest of conditions. Whether it's on the street, off-road, or at the track; Yukon Ring and Pinion sets deliver unrivaled performance & quality. Yukon us Toyota 8" Reverse Front 3.91 Ring & Pinion (CLAMSHL Design ONLY- fits3.91 & UP carrier) . Toyota 8in. Reverse Front 3.91 Ring/Pinion (CLAMSHL Design ONLY-fits3.91/UP carrier) . High performance Yukon Ring & Pinion set for Toyota Clamshell Front Axle, 3.91 High performance Yukon Ring/Pinion set for Toyota Clamshell Front Axle; 3.91
Manufacturer fitment & guides
- TOY 8" REV FRNT 3.91 R&P (CLAMSHL DSGN ONLY- fits3.91&UP carrier)
- TOY 8in. REV FRNT 3.91 R/P (CLAMSHL DSGN ONLY-fits3.91/UP carrier)
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y
