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Stop re-flashing your factory ECU every time you make a performance modification
Crate Engine - Base Dressed Engine - 400 Cubic Inch - 500 HP - Small Block Chevy - Each
Intake Manifold Bolt Kit - 12 Point Head - Steel - Cadmium - Mopar B / RB-Series - Kit
75 in OD - 14
Valve Guide - 11/32 in Valve - 3
Holley EFI - USB-A for 553-106 and 553-109 Stop re-flashing your factory ECUHave you been searching for a reason to discard your old noisy mechanical speedometer cable? If so, the Holley GPS Module for our 7" Digital displays should be the next addition to your project vehicle. Featuring a simple plug and play installation, this GPS Module will allow you to display vehicle speed on your digital dash, without needing any external sensor information.