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Perfect Combo. This Gear Upgrade Kit includes everything you need to unleash your Mustang's hidden power: a DiabloSport Predator Mustang Tuner, Ford Racing 4.10 (8.8in) Gears, and 3 bottles of Royal Purple 75w90 Gear Oil. This kit is the perfect upgrade to any Mustang that sees time on both the street and the strip for quicker 60 foot times and maximum adjustability.
Diablosport Predator Tuner. The Diablosport Predator Tuner includes a variety of dyno tested performance tunes that will gain anywhere from 15-20 RWHP on GT Mustangs and even more on Cobras. It puts the power to adjust key parameters in the palm of your hands, including the ability to re-calibrate for gear and tire size changes, raising the speed limiter, adjust shift pressure, and more. Plus it includes diagnostics and live data logging that will make unnecessary trips to your mechanic a thing of the past.
Ford Racing 4.10 Gears. Perfect for manual Mustangs, these Ford Racing 4.10 Mustang ring and pinion gears will improve your bite off the line for quicker ET's. These gears feature a super strong forged construction, CNC cut & lapped gear teeth, and a black oxide finish to resist corrosion.
Royal Purple. Max-Gear is an ultra-tough, high performance, GL-5 automotive gear oil designed to provide maximum protection to heavily loaded gears while maximizing power output throughout the entire drive train.
Application. This Diablosport Predator and 4.10 Gears Kit is designed to fit 1999 to 2004 V8 Ford Mustangs equipped with a 8.8" rear end. Does not fit 2003-2004 SVT Cobras. A master bearing kit is recommended by most installers, especially on high mileage vehicles.
Technical Note. The Diablosport Predator is for the 98-04 GT, 98-01 Cobra, 01 Bullitt, 03-04 Mach 1, 98-03 V6, 03-04 Marauder. This gear kit is for the Ford 8.8" Rear End.