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Old Oct 19, 2005 | 08:12 PM
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whoaitslen2
hermit
 
Joined: Aug 2002
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From: san diego
Default difference between the pr4 heads

Lets do this. Can you break down every difference between these two pr4 heads besides the valve train and stamp/casting marks? Thanks in advance.

pr4-5 off my '93 b18a1


pr4-1 off my '94 b18b

Last edited by whoaitslen2; Feb 1, 2006 at 11:15 PM.
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