​CYLINDER HEAD SPECS

•  Bolts on to any 289/302/351w, 351C, and LS Chevrolet engines, 4.00" bore or bigger                   

​

• Accepts any existing Windsor style intake manifold​

• LS engines will require a Hogan Sheet Metal, Billet, or modified cast intake manifold

• Comes with 2.200”/1.650” Competition Stainless Steel valves

• Sets up to as much as 2.150” Installed Height (will accommodate big lift cams)

• Has 63cc combustion chamber as cast

• Uses a Jesel shaft mounted rocker system (1.65-1.9 ratios available)

• Has a Yates C3 exhaust bolt pattern 
  

• Uses FelPro 1262R intake gaskets or similar
  

• Comes with cast aluminum “Hemi style” valve covers

• Uses Flatout valve cover gaskets

​

• Has .700” thick deck for power adder applications

• Has raised intake ports for more direct flow to the valve

• Flow numbers are 392/intake and 275/exhaust as cast and up to 472/320 ported

• Will require distributor extension with most intake manifold
  

• Uses standard ¾” reach, gasket style spark plugs

​

• Overall width of 9.5 deck engine is 27.5", 8.2 deck is 26"

As of April 1, 2018, all castings will have the HIP process added. Therefore, an increase of $300 has been added to all bare heads, complete heads, and complete head kits. 

http://www.bodycote.com/en-GB/services/hot-isostatic-pressing/isostatic-pressing-services/hot-isostatic-pressing.aspxType your paragraph here.

​   CALL OR EMAIL FOR MORE INFORMATION

                          678-570-0874

              hammerheadhemi@gmail.com