Diffrence between pr4-4 an pr4-5 heads
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Honda-Tech Member
Joined: Apr 2011
Posts: 24
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From: new iberia, La.
Diffrence between pr4-4 an pr4-5 heads
I have a 92 gs da with a jdm b18a the head code says pr4-5 I also have a 90 rs with pr4-4 whats the diff im assuming -5 would be to indicate that its obd1 jus trying to figure this out thanx for the info
All Motor Mentor
Joined: Aug 2004
Posts: 6,987
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From: 902, Nova Scotia, Canada
Re: Diffrence between pr4-4 an pr4-5 heads
From what I understand it just indicates what production line it came off. All OBd1 and 2 heads were the same casting, it was the sensors and distributors that were different.
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