EQ 350C Chevy Vortec Cast Iron Cylinder Heads

We have reached an agreement with Dynamic Cylinder Heads LLC, a company in South Dakota, on the sale of our Vortec, Vortec Bow Tie and Dart SS cylinder head programs, machinery and processes. See video on our home page.

If you are looking to purchase or have your 350C heads reworked contact: Dynamic Cylinder Head LLC Attn; Nick German, 310 N. Linda Ave. Unit #10, Tea, SD 57064. 605-214-2248 nick@dynamiccylinderhead.com 

 In stock from, the Engine Quest 350C Vortec heads is basically the same in the performance department as the currently available new, new factory Chevy Vortec heads, which is sometimes available from Chevy under part number 12691728  On the outside, It resembles the Chevy ‘906 Vortec head.

Stock air flow of the 350C heads is 200 to 205 range on the intake 140 on the exhaust.  These are not good numbers for a racing engine.  However, with our CNC “UnderCover Porting”, the air flow increased to 230 to 235 intake and 160 on the exhaust with 1.94 x 1.50 valves.

Straight plug design. This head is bit heaver duty than the production Chevy Vortec head.