This is out of the box! Notice the opening and exhaust exit are squared up. Notice the nice short turn! Also notice the quality and finish of this USA cast head. Notice the 3/8 corner radii.

I'll have flow data later. This port is designed for a 2.125 valve.. Thanks Guys.. PM or email for pricing!!

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Chad Speier
http://www.SpeierRacingHeads.com

PM sent, also, would my current jessel's work on these heads? i ordered them with the offset for my current 227 cnc'd units i have now.

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Flow data. Flows some air for a 210cc as cast head. Valve job with some clean up only.. Intake only.

0.200 148.0
0.300 217.0
0.400 260.7
0.450 290.4
0.500 300.5
0.550 301.8
0.600 302.2
0.650 302.6
0.700 303.3
0.750 300.4
0.800 300.4

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Chad Speier
http://www.SpeierRacingHeads.com

That's pretty good for a small as cast cylinder head

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Wow, that really has some potential looking at the numbers. Darin is on top of his game, that's for sure.

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Oldani Motorsports

Darin told me he has a new 210cc and 230cc ports that are not done yet, but those will be CNC ports only. He has redone the 220 port and will get that port in some heads soon.

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Chad Speier
http://www.SpeierRacingHeads.com

Are the 230's going to be able to use stndard 23* pistons and valvetrain, or do they use offseet valve spacing and offset rockers like most of the bigger port 23* stuff?

This ought to be very interesting to see what he comes up with for the 230 runners, i'm very curious.

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I didn't ask him to be honest. I talked with Mike Green the other day and I'm going to tell you guys, Pro-Filer gets it. Their product line will be head of the class, just give it some time.

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Chad Speier
http://www.SpeierRacingHeads.com

The 220cc and the 230cc will take standard pistions and valve train.

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Michael Green
Vice President
Pro-Filer Performance Products, Inc

I'll pretend I didn't read that post, lol....

(staring at an engine with 309 cfm Canfields on top of stadard 23* pistons... and Jesel shafts... lol)

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Oldani Motorsports

Are the valves shifted or not? (60/40)

AFR also says they take standard pistons and valve train but the intake valve intrudes into the exhaust valve pocket and will cause problems if your clearances are tight.