SRH offers hand porting on ANY domestic cylinder head!  Also check out our dyno and track proven burr finished manifolds.  SRH has developed a hand style of burr manifolds that is always trying to be duplicated!  Also visit the formulas page for cylinder head math to help choose your next set of cylinder heads.  SRH also offers performance valve train kits and components to finish off your build.  Custom cams are available, please ask!

    -SRH HAND HEAD PORTING-

• HAND PORTING
• NHRA MANIFOLDS
• BURR vs 60 GRIT​

​    -SRH HAND MANIFOLD PORTING-

• HAND BURR MANIFOLDS
• MANIFOLD LENGTHS

​    -SITES/FORMULAS-

• FORMULAS
• ​BERNOULLI 101
• HEAD INFO SIZE​  ​