Regardless of what your final destination is when you build your high performance engine, eventually you will have to deal with the cylinder heads. DVORAK MACHINE offers the complete spectrum in CYLINDER HEAD PREPARATION from rebuilder OE to our world famous SUPER PORT FLOW hand finished and ready to bolt on. Refinishing and fully ported versions of virtually every cylinder produced, from STOCK to AFTERMARKET ALUMINUM race only models. In most instances, we can SAVE you money on aftermarket head castings, since we are WAREHOUSE DISTRIBUTORS for most makes and models.

HEAD PREP and PORTING

RECONDITIONED Cylinder Heads includes HOT TANK, MAGNAFLUX, NEW O/S stem valves, three-angle valve job and SURFACE. Includes new seals and locks. Call for Pricing.

SUPER STOCK HEAD PREP includes hot tank, magnaflux, bronze wall guides, multiple angle valve job and machine bowl cut. Surface deck and intake side, cut for seals, shorten guides, CC check, fit valves and assemble springs to correct height. Call for Pricing.

ECONOPORT head prep includes all SUPER STOCK head operations PLUS, additional surfacing on DECK and INTAKE surfaces, hand BLENDING of BOWLS, square off port openings and gasket match INTAKE and EXHAUST PORTS. Call for Pricing.

SUPER PORT FLOW cylinder heads include all standard operations, PLUS total and complete recontour of bowls and ports, reshape and polish, full radius valve job and FLOW TEST. Also includes chamber clean up and unshrouding of O/S valves. Call for Pricing.

MAX WEDGE HEADS

Still the industry standard for make big horsepower without going to trick aftermarket heads. Call for more information. New Castings Available with or without custom porting. Call for Pricing.

EDELBROCK ALUMINUM HEADS

Designed for 1961-78 Chrysler 361-440 cid wedge engines, these heads bolt on for big performance gains. These heads flow 291 cfm (intake) and 214 (exhaust) at .600'' lift. Features include 84cc or 88cc combustion chambers, angled spark plugs and 1-piece stainless steel 2.14'' intake and 1.81'' exhaust valves. Heat treated, machined steel retainers and valve locks along with heavy duty valve springs for up to .600'' lift cams when used with 1.5 ratio rocker arms. The heat treated aluminum casting with phosphor-bronze valve guides, interlocking ductile iron valve seats, 2-ring stem seals and heli-coiled bolt holes offers superior quality typical of all Edelbrock heads. Intake flange, bolt holes, valve cover and rocker shafts are all in the stock locations. New Castings Available with or without custom porting. Call for Pricing.

Big Block Edelbrock Heads

RESTORATION HEADS

If your looking for a set of 906, 452 or 915 heads for your restoration project, give us a call. We have a myriad of different castings available. These heads are perfect for your muscle car restoration engine. They feature 3 angle valve job, bronze guides, hardened seats for unleaded gas compatibility, deck surface trued for gasket sealing, 2.14/1.81 1-piece stainless valves and Crane hydraulic cam valve springs for up to .550 lift. We can make them as trick as you want with extra porting. $699 outright, no core required. Hurry, quantities are limited!!

OEM Restoration Heads