The 225 LS-2 heads feature all of the same design
advantages of the LS-1 with the addition of a 
4.00" bore combustion chamber,2.055" intake valve,
225cc intake runner,and a 65cc combustion chamber
 volume. We also offer a 70cc chamber option for 
forced induction applications.

Note:Flow numbers are based off of an average of 5 heads tested.
All flow numbers are tested on a 4.030" fixture @28"h20, using
clay intake radius,and a 4"x 1-7/8"pipe on exhaust.