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Holley EFI 534-215
Holley EFI Standalone Air/Fuel Wideband 02 Gauge Kit; Standard 2-1/16" Wideband A/F Gauge, 8.5-18, Black Face. Includes gauge, wiring harness, and Bosch LSU 4.9 wideband O2 sensor.
Holley EFI 553-315
Holley Dash Bezels for the Holley EFI 7" Dashes; 1998-2004 S10 HOLLEY BLACK DASH PANEL
Holley EFI 26-507
Holley EFI Pressure Gauge; Oil-Filled - 0-100 PSI - 1/8" NPT Male Thread
Holley EFI 558-433
Digital Dash I/O Adapter w/Unterminated Vehicle Harness; Digital Dash I/O Adapter with unterminated Vehicle Harness
Holley EFI 558-434
Digital Dash I/O Adapter w/Terminated Vehicle Harness; Digital Dash I/O Adapter with terminated Vehicle Harness
Holley EFI 558-436
Digital Dash Vehicle Harness - Terminated; Terminated Vehicle Harness For Digital Dash
Holley EFI 553-111
The Holley EFI 12.3" 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.
Holley EFI 553-109
Holley Standalone Digital Dash Kit; Compatible with Holley EFI, Sniper 1, and Terminator X
Holley EFI 553-121
Holley EFI GPS Speedometer; 4-1/2" GPS Speedometer (w/ Odometer), 0-160 MPH, Black Face
Holley EFI 553-123
Holley EFI GPS Speedometer; 3-3/8" GPS Speedometer (w/ Odometer), 0-160 MPH, Black Face