Description
Enhanced Efficiency. Upgrading your factory ring gear and pinion kit to the Motive 8.0 in. IFS Front Ring Gear and Pinion Kit – 3.91 Gears helps you enjoy increased transmission efficiency with significant gains in fuel efficiency and torque. This outstanding OEM replacement ensures enhanced performance whether you are a regular street driver or an off-road junkie.
Superior Construction. A lot goes into ensuring that the manufacturing processes at Motive Gears produce the highest quality drive train components. The Motive 8.0 in. IFS Front Ring Gear and Pinion Kit – 3.91 Gears is made from high-grade 8620 steel that’s heat-treated to increase strength and durability. All components are made in the USA.
Precise Design. The Motive 8.0 in. IFS Front Ring Gear and Pinion Kit – 3.91 Gears has a precisely calibrated design for smooth functioning. This includes a 39 tooth ring gear with an 8″ diameter paired with a 10 tooth pinion gear with a 1.406” shaft diameter. This combination gives a perfect 3.91 gear and pinion ratio.
Warranty. The manufacturer provides a one-year or 50,000-mile warranty for the Motive 8.0 in. IFS Front Ring Gear and Pinion Kit – 3.91 Gears.
Installation. Motive Gears ring gear and pinion kits are designed to replace your factory kit with no additional modifications required. Installation by a professional is recommended for best results.
Application. The Motive 8.0 in. IFS Front Ring Gear and Pinion Kit – 3.91 Gears is compatible with 2002-2010 Dodge RAM 1500 trucks.
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Motive Gear C8-391
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- Standard Ring Gear Rotation
- 8″ Ring Gear Diameter
- 3.91 Gear and Pinion Ratio
- 39 Tooth Ring Gear
- 10 Tooth Pinion Gear
- Sturdy 8620 Steel Construction
- 12 Cover Bolts/8 Ring Gear Bolts
- 1-Year Warranty
- Straightforward Installation
- Fits 2002-2011 Dodge RAM 1500






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