99-04 LS1 & LS6 Corvette Tune Hollander_590-03484 If the tag is illegible

If the tag is illegible or not present

3L V8 2003-2004 Chevrolet Trailblazer 5

THIS IS A SERVICE NOT A PHYSICAL PART

Module / primary service number: 12602044

99-04 LS1 & LS6 Corvette Tune Hollander_590-03484 If the tag is illegibleStock LS1 engines typically yield 15 to 20hp and 25 to 30ft lbs of torque increase throughout the powerband, these numbers will increase accordingly depending on your modifications. We can make adjustments for various engine modifications as well as engine swaps. You will send us your computer or we can provide you with one. If you wish for us to send you a computer simply purchase one from our Factory ECM Category. Your computer will be adjusted per