GM Performance 3.91 Gear Set for 2010-13 Camaro SS, Part #19301504

Gen 5 Camaro 1LE 3.91 Gear Kit
This lower (higher numerically) ratio rear drive gear kit will increase effective rear wheel torque multiplication in Gen 5 Camaros by 13% (over standard 3.45 ratio) in a manual transmission-equipped car, and 20% (over standard 3.27 ratio) in an automatic-equipped car. This gearset is the original equipment ratio found in the 2013 – 2015 1LE Camaro package. Reflash of the speedometer calibration by your dealer is included with the kit. GM provides a calibration and new certification label.

The kit includes:

22813040 (1) Gear Kit
92230403 (1) Gasket
92230584 (1) Oil Seal
90538867 (3) Nut
92138569 (3) Bolt
92139104 (3) Bolt
88900330 (1) Limited-Slip Differential Oil Additive
19301909 (1) Label Altered Vehicle Cert.
19301503 (1) Instruction Sheet