Are these shipped directly from Holley?

No mine came from one of there dealers that also sells on Amazon

Do it comes with all the wires to hook it up???

Yes, the harness is included. Thank you

Does it come with cables and GPS antenna?

Yes it comes with everything to connect it to the Holley can bus including gos and a USB cable as well for uploads and downloads.

What's the difference between model number 553-112 vs model number 553-117

553-112 - The Holley EFI 6.86" Pro Dash is customizable with a variety of gauge and indicator screens that can be programmed to display any parameter you need from a Holley EFI system. It also includes an integrated ten LED shift light as well as two LED's on the top left and two on the top right that can be programmed as desired. 553-117 - 6.86" Standalone Pro Dash

Item Package Dimensions L x W x H	11.18 x 10.39 x 4.33 inches
Package Weight	1.27 Kilograms
Item Dimensions LxWxH	11.5 x 10.25 x 4.25 inches
Item Weight	2.4 Pounds
Brand Name	Holley EFI
Warranty Description	Warranty
Model Name	Holley EFI 553-112 6.86 in. Pro Dash
Color	No Color
Material	Plastic
Suggested Users	unisex-adult
Number of Items	1
Manufacturer	Holley
Part Number	553-112
Style	Music
Included Components	Holley EFI 553-112 6.86 in. Pro Dash
Size	No Size

553-112 6.86 in. Pro Dash

Description

Specifications

Common Questions