Holley EFI Throttle Position Sensor - 2 bbl. TBI (502-3/502-4/502-5/502-6/502-7/502-8) 4 bbl. Pro-Jection (504-1/504-2/504-11/504-12/504-13/504-21/504-23) H774009 Our Pro-Flo 14 round air

Our Pro-Flo 14 round air cleaners feature a high flow element top and are designed to be used with all popular 5-1/8 diameter carburetors

Straight Razor Style

Mopar Inline-6

8 in width and 5x120 mm lug pattern

Holley EFI Throttle Position Sensor - 2 bbl. TBI (502-3/502-4/502-5/502-6/502-7/502-8) 4 bbl. Pro-Jection (504-1/504-2/504-11/504-12/504-13/504-21/504-23) H774009 Our Pro-Flo 14 round airHolley 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. But that's not