Holley EFI Map Sensor Adapter - LS1 & LS2 to LS3 54 Complete spindle ALL55976 includes a

Complete spindle ALL55976 includes a spindle body

75 in OD Tube

Stylish Modern Euro Design

The ONLY correct fitting to use is a contoured port fitting with an O-ring seal such as :Part # AT985008ERL

Holley HP EFI Billet Fuel Pressure Regulator 12-846 40-70 PSI - -8AN Inlet/Outlet - -6AN O-Ring Return - EFI Bypass Style - Black/Clear Anodized

Holley EFI Map Sensor Adapter - LS1 & LS2 to LS3 54 Complete spindle ALL55976 includes aAdapter 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.