Click on image to zoom

Holley Performance Pro-Jection Throttle Body Injection 502-20S


670 cfm - GM/Chrysler/Ford/AMC Small/Big Block Up to 275hp - Carbureted NonComputerized Eng - Shiny Finish

Pricing: $1,156.95


Holley Performance - Pro-Jection Throttle Body Injection P/N 502-20S Features:

  • Improved Drivability
  • Fantastic Throttle Response
  • Greater Fuel Economy
  • Increased Power
  • Eliminate Fuel Problems
  • Polished Die Cast Alum Throttle Body
  • Fast Idle Solenoid
  • Factory Air Cleaner Assembly


Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR Sprint Cup team and every NHRA Pro–Stock champion. Holley's products include performance fuel pumps, fuel injection, intake manifolds, cylinder heads & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies, Hooker Headers, Flowtech Headers, NOS, Weiand, or Earl's, Holley products can give you the edge you need over the competition.


  • 502-20S
  • 502-20S
  • 090127429327
  • Holley Performance
  • New

Shipping Information

  • Item Requires Shipping
  • 17.0 lbs.
  • W11.8800” x H8.5000” x L17.3100”

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.