LS1 Cast Iron Small Block Chevy Heads

LS1 Cast Iron Head

LS 1 cast iron small block cylinder head. Stock LS1 heads flow 241 cfm. CNC Sportsman Ported heads 280 cfm.



LS1-CNC – New bare castings with CNC Sportsman Porting for 2.02″ x 1.550″ valve job.  1 pair of bare, CNC Sportsman Ported castings – $2,195.00.