CID LS3 BIG BORE HEADS (4.125")

These are the ultimate cylinder head choice for an LS3 configuration with stock rockers. Utilizing a 6-bolt configuration, the CID LS3 castings are the ideal choice for your hotrod. Cut with LMEs CNC porting and chamber work in house, the performance hike will take your ride to new heights. Standard adornments include CHE precision manganese bronze guides, your choice of titanium or hollow stem intake valves, and Inconel exhaust valves. You will satisfy all your needs with this cylinder head. This head uses LS7 geometry in terms of valve angle and valve sizing. We take those advantages and put them into a port that accepts an LS3/LSA/LS9 and intake and you get one of the best-performing LS3 heads on the market. You will also run LS7 rockers on these heads.