HP Tuners | 2023-2025 3.0L LZ0 Duramax Pickup 2023-2025 3.0L LZ0 Tuning is FINALLY here ! !!!!Before reading any further - Ensure you have a LZ0 and not an LM2 refresh prior to ordering!!!! TUNING INSTRUCTIONS Increase power output from 0-55RWHP on your 2023-2025 Sierra /... MSRP: Was: Now: $700.00 - $800.00 Choose Options
HP Tuners | GLOBAL B GM Duramax T93 TCM Tuning | LM2 LZ0 L5P Transmission Tuning & TCM Unlock (T93) 10L1000 Before reading further - the TCM you send into HP Tuners MUST be from the vehicle - no core or TCM swaps will work. Tuning and Relearn Instructions The factory TCM tuning from... MSRP: Was: Now: $0.00 Choose Options
