GM Genuine Parts 10-Speed Automatic Transmission Assembly ZL1 10L90 / 10L90e

GM Genuine Parts Automatic Transmission Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies
• Fixed Flange to speed for ZL1 application (requires slip yoke style drive shaft)
• TCM Programming is required. 
• Gearing below:

1st: 4.700
2nd: 2.985
3rd: 2.146
4th: 1.800
5th: 1.520
6th: 1.275
7th: 1.000
8th: 0.854
9th: 0.689
10th: 0.636
Reverse: 4.886