Ford Super 8.8" IRS 4.11

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US Gear Ring and Pinion | Ford Super 8.8" IRS - 2015 Mustang & Newer | 4.11 Ratio | STEALTH® Series

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The US Gear Ford Super 8.8" IRS aftermarket ring and pinion gears are manufactured for 2015 and newer Ford Mustangs. Available ratios include 3.73, 3.91, 4.09, and 4.11. 

Our newest STEALTH® Series gears utilize the most advanced gear cutting technology, known as face hobbing. It’s a different gear cutting method that creates a continuous and more consistent cut on all teeth of the ring and pinion at the same time. The heel and toe of each gear tooth are now the same height, which helps create a consistent pattern and improves the tooth to tooth contact.​​​​​​​

Material 8620 - Standard OE Material
Ring Gear Diameter 8.8"
Ring Gear Bolts 10 - M12X1.25X26mm
Cover Bolts N/A
Carrier Breaks N/A
Pinion Shaft Diameter 2.001"
Spline 30
Ratio 4.11
Tooth Count 9-37