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Hypertech Speedometer Calibrator Part #730102 Customer Reviews

Average Rating

2 Customer Reviews

Inline NOT worth the money - Get an external programable model

Reviewed by JOSHUA R (DANVILLE, IN) Reviewed for a 2011 GMC Sierra — Oct 16, 2012 8:37 PM

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1 of 2 people found the following review helpful.

The inline version makes for a fun install due to the interior trim panel removal, removal of the main connector to the gauge cluster, and zip ties to keep things together. Upon a very easy and user friendly programming procedure using the tire ratio method, testing with chase vehicle & GPS indicated speedometer was reading 2.5 mph fast @ 55 after calibration. OOPS I will need to make additional adjustments using the tire diameter method with another dash diss-assembly/reassembly fiasco.


Reviewed by randy c (opelousas, LA) — Aug 28, 2011 8:17 AM

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3 of 3 people found the following review helpful.

Easy to set up and insulation took about 30 min. Did not like having to take my dash all apart to put it behind the speedometer.

Hypertech Speedometer Calibrator - 730102

In-line Speedometer Calibrator Module
  • $229.00 - $367.95
  • $229.00 - $309.99
  • Free Shipping
  • Ships By 4/23
  • What Do You Drive?


  • Part #:
  • No limits for increasing tire height
  • No splicing required! Connects to the factory wiring harness

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