Flight Systems Electronics Group
#9 Calibration Resistor (Req'd w/ purchase of Black PMD) 508900-9
#7 Calibration Resistor for 1994 - 2001 Chevy GMC 6.5L TD w/ BLACK PMD. Part # 508898-7
Note: This item is required with the purchase of new Flight Systems Black PMD unless you already have a resistor designed for the black style PMD.

WARNING : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov