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C5 Six-Speed and A/T Rear End Rx

This prescription will transplant a 3:42, 3:73, 3:90, or 4:10 ratio rear in place of your stock rear end. Includes custom PCM tuning. 

Price: $1,295

C4 Rear End Rx

Transplant a 3:92, 4:10, 4:30, 4:56, or a 4:88 ratio rear in place of your stock rear. Includes electronic speedo correction. This transplant produces excellent performance and improved driveability.

Price: $1,395