Ported big valve n/a heads

nickleman60

Registered User
For some reason the engine builder that my buddy bought the motor from used n/a heads. They have had some port work done to them as well as big intake/exhaust valves installed, not sure on the brand/size. They also have some upgraded springs but not sure on the brand or model number. Price is $300 shipped.
 

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What's the big difference in n/a vs SC heads? If you still have these by Summer Blast I may grab them and save you shipping.
 
What's the big difference in n/a vs SC heads? If you still have these by Summer Blast I may grab them and save you shipping.

Not sure but there is differences, someone else can chime in with an answer. I want to say water passages are different or something, casting thickness but I don't really know. Shipping would have to be factored in because I'm not attending to the Summer Blast.
 
Can you at least take a tape measure and get a rough idea of the valve sizes? Also, post some pics of the intake and exhaust ports. Interested buyer
 
Can you at least take a tape measure and get a rough idea of the valve sizes? Also, post some pics of the intake and exhaust ports. Interested buyer

Here you go..............
 

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