Twist-On Style Valve Cover Breather Grommet PR66016 Product:For Push-In Style Breathers various B&M shifters and Hurst

various B&M shifters and Hurst Pro-Matic

or Laptop tuning User programmable range for Rich/Stoic/Lean conditions Peak recall/memory 10:1 to 20:1 AFR range for gasoline applications 12 and 16 volt compatible

The one inch open centre spacer 6005 features a 1/4" diameter knock out hole if an additional vacuum port is required

* Exclusive Patent ed Long Life Copper Core Groun d Electrode Reduces Gap Erosio n

Twist-On Style Valve Cover Breather Grommet PR66016 Product:For Push-In Style Breathers various B&M shifters and HurstTwist On Style Valve Cover Breather GrommetFor Push In Style Breathers PR66016 66016 PROFORM is The Factory source for Chevrolet Performance Licensed engine dress parts, Ford Performance Licensed products, carburettors, HEI distributors, electric water pumps, electric fans, engine components, and tools you need to make incredible horsepower on the street, or at the strip!