v2.50BI/23ºSB
2.45in² MIN
64-73cc chamber
1.300 x 2.260 opening
Fel Pro 1206
2.57in² AVG CSA
5.38 port length
220cc runner
2.055 intake w/30º BC
1.600 exhaust
4.060 fixture
.200 142/121
.300 193/151
.400 243/184
.500 282/207
.600 294/221
.700 298/229
.800 304/233
.900 306/235
1.00 309/236

This cylinder head is a bargain for the power it makes!  Over and over it has made 650+hp out of 383's.  550hp out of 383-400 pump gas engines. Dedicated small bore.  Don't be fooled by the price and the import casting. This is a great cylinder head!

"I would not call this head cheap. I would call it less expensive. Its not cheap in any way shape or form.  That’s a bad ass head!"- Darin Morgan

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