This process will vary from engine to engine, so you should consult your manual for all the details. Please remain patient and exercise determination during this procedure. Tip: This entire process will take some time. Old, spare cylinder heads can be purchased at a salvage yard or a shop may be willing to let you have an old one for free. Note: If you have little to no experience with a Dremel it is suggested you practice on a spare cylinder head first.It is very easy to grind way too much metal, which is irreversible and will likely deem the cylinder head unusable. However, please keep in mind that everything suggested in this article is performed at your own risk. Below we will provide an easy guide to port and polish cylinder heads properly, safely, and efficiently. The porting and polishing process is broadly the same for all cylinder heads. The best way to save the most money while reaping the same performance benefits is to invest your own personal time into porting and polishing the cylinder head yourself. To alleviate some of the financial pressure, you can send your cylinder head to a machine shop for the porting and polishing job, but that will be expensive. Today's aftermarket cylinder heads come with a high price tag. The engine will love the upgrade but your wallet may not. One of the easiest ways to gain 20 to 30 horsepower is to purchase ported and polished aftermarket cylinder heads.
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