Are these the high swirl heads?

[Frostbite]

Are these the high swirl heads? That are good to use to get more compression?

http://cgi.ebay.com/ebaymotors/CHRY...ptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories

I have a 1973 318 duster, was wanting to get some more performance out of it.

 

[70aarcuda]

yes..the 302 are high swirl heads for 318...