Other designs of aluminum, while cheaper to make and pretty to
look at, cost the customer more in the long run...
These do not provide easy adjustment of timing when installed and
with their designs; if a nut backs out while adjusting it can fall
into the oil pan and necessitate removal of other engine
components, what a mess.
If your upgrading your cams these are what you need to get all the
power you pay for. Helps to tune for best power output, and place
power-band where you need it.
From Tyrone Harris of FPO, Armed Forces Europe/Middle East/Canada on 3/16/2012.
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