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Vehicle Info NeededHOLLEYPART NUMBER: 510-502-20S
Pro-Jection 2D Throttle Body Fuel Injection System 670 CFM 2-Barrel
$1,45499
Ships on Sep 16, 2026
Lowest Price GuaranteePro-Jection EFI System
Pro-Jection 2D Throttle Body Fuel Injection SystemCarbureted V8 Engines Up to 275 HP 670 CFM 2-Barrel Throttle Body Includes ECM and Wiring Harness Speed-Density Fuel Control Cast Aluminum Throttle Body
Pro-Jection 2D converts a carbureted V8 to throttle-body fuel injection using a 670 CFM 2-barrel throttle body, twin high-flow injectors, and a speed-density ECM for easier starts and steadier drivability.
Holley 502-20S Highlights:
- Fits carbureted V8 engines up to 275 HP.
- 670 CFM 2-barrel cast-aluminum throttle body.
- Speed-density ECM and wiring harness included.
- Two high-flow 80 lb./hr. fuel injectors.
- Built-in fuel pressure regulator preset to 15 psi.
- MAP and IAT sensors included.
Part TypeFuel Injection System
BrandHOLLEY
Package Height9.2
Package Width12.3
Package Length18.2
Weight18.2 PG
Part CategoryPerformance Parts
Throttle Body FinishNatural
Part FitmentUniversal
Vendor Part Number502-20S
Package Qty1
Package TypeEA
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