Nitro Gear & Axle Ring and Pinion Gear Kit; 3.73 Gear Ratio (99-04 Mustang GT)Find parts that fit my vehicle

Geared Up. When you’re looking for a superior ring gear and pinion for your 1999-2004 Ford Mustang GT, then get your hands on this Nitro Gear & Axle Ring Gear and Pinion Kit – 3.73 Gear Ratio. Your Mustang will immediately feel the improvements in fuel efficiency without any loss of power or torque thanks to this 8.80-inch ring gear.

3.73 Gears. This ring gear’s 3.73 gear ratio is going to provide you with superior fuel efficiency for a Mustang you rely on every day. You’re going to love the changes this gear can bring for you and your ‘Stang.

Heavy-Duty Construction. This ring gear and pinion are forged from heavy-duty 8620 steel to provide superior, consistent performance for years to come. You’re not going to find a better kit available.

Recommended Upgrade. This ring and pinion can throw off your speedometer if you’re changing to a new ratio. If having it installed professionally, the mechanics should automatically tune it for you. However, a handheld custom tuner should do it for you.

Installation. This gear and pinion kit needs a very practiced hand to install correctly. You will need about 4 hours to install, with advanced hand tools and extensive automotive mechanical expertise. Professional installation is highly recommended.

2-Year Warranty. This ring and pinion kit is protected by Nitro’s 2-year warranty, defending against manufacturer defects from the date of purchase. See Nitro Gear’s full warranty for complete details.

Application. This Nitro Gear & Axle Ring Gear and Pinon Kit – 3.73 Gears is designed to fit 1999-2004 Ford Mustang GT models. Please ensure correct model and trim before purchase.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov