These Direct mount on valve covers to provide a new unrestricted can port
THESE ARE NOT RECOMMENDED FOR ROAD TRACK CIRCUIT USE
- LS 1997+ helix type GM oil cap and many Ford with one or two tabs in the valve cover.
-'Holley cast LS' that use 1 5/16"-12 threads (fits other popular v/c as well)
NOT for 'sniper / fabricated' oil fill threads that are M32x2
-The 'Gen5 Pressure Vent' is the breather filter top with the one way action
-The 'Gen4 Pressure Vent' is slightly taller with a hose clamp on the breather, same one way action
-for crankcase ventilation HP ratings are: -6AN=600HP capacity, -8AN=800, -10AN=1000, and 12AN=1200HP maximum.
- The pressure release adapter is the original (and still the champ) one-way breather to add 1000hp of flow capability to your existing system! (GM / Ford helix type only)
Example Photos HERE
Made in the USA!
Oil Fill Adapters
Returns: Allowed within 30 days and refund -15% restocking will be sent when the part arrives returned in new condition.
Replacement due to error or shipping damage: Will be standard shipping, and may include return label for supplied box to return wrong or damaged part.