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OEM engine NVH suppression
6 V8 2003 - 2005 Chevrolet Silverado 2500 HD LT 496/8
7L V8 1987 - 1988 GMC V3500 350/5
Flexible mounting options: Surface or flush mounting
OEM - 52127967
Holley EFI Voltage Gauge - 553-126 tailpipe OEM engine NVH suppressionOverview: These analog style gauges are designed specifically for use with Holley EFI systems. They are compatible with all Terminator, HP, and Dominator ECU's, allowing them to be installed in a variety of Holley EFI equipped vehicles. CAN bus communication allows the gauges to daisy chain using the included stereo cables, making installation quick and clean. The required gauge module (P N 554 130) allows plug and play communication between the ECU
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