T87A Programmed and Unlocked for HP Tuners Model_Silhouette Module / primary service number:

Module / primary service number: 12617102

YOU SEND YOURS TO US

that is done at time of programming

7L V8 1997 Chevrolet K2500 Pickup 5

Hollander lookup numbers: 591-01948

T87A Programmed and Unlocked for HP Tuners Model_Silhouette Module / primary service number:This is for purchasing a T87A controller that is programmed to your VIN and unlocked for tuning with HP Tuners. If you only need the unlock service and want to send us the original unit out of your vehicle rather than purchasing one, then you want to use this service here: HP Tuners T87A Unlock Service If you want to send us a junkyard TCM, or a TCM that wasn't originally on your vehicle to have the unlock service performed, you will want to use our