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Autolite introduces the Revolution HT0 spark plugs for Supercharger and Nitrous fed Mustang GT's from 2005-2008! Specifically designed to prevent detonation and pre-ignition
due to higher cylinder temperatures, these plugs are perfect for added boost pressure, nitrous exposure, and high amounts of air flow into the engine. These are designed one heat range cooler than the
factory spark plugs. These are also one heat range colder for 2004 F150 5.4L's and two heat ranges colder for 2005-2006 F150 5.4L's. These plugs are 10mm in thread design. These are good for direct replacement plugs for your Edelbrock E-Force Supercharger, Whipple Supercharger, Kenne Bell Supercharger, etc. Factory gap is at .045", supercharger and nitrous setups may be closer to .030", contact us for exact specifications.
These Autolite Revolution HT spark plugs are designed to provide more space for additional intake valve and unobstructed intake ports. They will enhance power and create more efficient airflow without increasing the engine's size. The Revolution HT spark plugs from Autolite feature a 10mm high-thread design that can maintain the same dielectric, mechanical, and durability characteristics associated with conventional 14mm spark plugs. When doing a tuneup on your engine, use these Autolite Revolution HT spark plugs to get the job done.
Unique High Thread Design for:
More Power
Superior Cylinder Head Seating Postion
Better Compressive Seal
Improved Heat Transfer
More Focused Ignition
More Durability
Longer Service Life
Improved Corrosion Protection
Requires 9/16 in. Socket Wrench
*Will fit early design cylinder heads from 2005-2008. Will not fit Mustang GT's with NEWER 12mm threaded spark plugs from 2008.5-2009. Note: 2008 Models, we have seen both spark plug designs
on the same year. Please verify the design of your spak plug before purchase, or call a Tillman Speed sales representative for more details.
*2004 F150 5.4L's - This is a 1 step colder spark plug. 2005-2006 F150 5.4L's - This is a 2 step colder spark plug.
Compatible Vehicles
- Ford 04-07 F-Series (5.4L 24V)
- Ford 2005-2009 Mustang GT
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