Holley EFI Map Sensor Adapter - LS1 & LS2 to LS3 54 Fits two AutoMeter 3 1/8"

Fits two AutoMeter 3 1/8" instruments and four 2 1/16" gauges which feature a Street Rod bezel style

1975-1978 GMC K15 Suburban

75 in OD Tube

Zamp RZ Helmets

Holley EFI Map Sensor Adapter - LS1 & LS2 to LS3 54 Fits two AutoMeter 3 1/8"Adapter Harness Holley is quickly becoming The New Standard In EFI! Holley's HP ECU is standard equipment on the 2013 2014 Chevrolet COPO Camaro and Holley's EFI throttle body powers every NASCAR Cup Series team. Top racers are making the switch to Holley EFI every day. Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week and John Scali who used it to win the 2013 JEGS All Star race.