Port Injection Modification Service for Whipple Superchargers, Procharger, and other sheet metal intake manifolds. 

Will fit with stock valve covers, but will require minor coil bracket fabrication.


This service includes:

  • Custom billet port injector bungs and professional tig welding 
  • CNC bung drilling and placement
  • Custom set of anodized black fuel rails
  • Mounting brackets
  • Manifold air temp sensor bung welding if required

LT1/LT4 2.9L Whipple port injection modification service


     © 2020 Crawford Racing LLC

          109 Professional Court

                    Suite 106

               Garner, NC 27529

                 (919) 896-6498