We Specialize In
High Performance

  • High Performance
    Cylinder Heads
  • High Performance Parts:
    • Cams
    • Spring Kits
    • Valves
    • Gaskets
    • Head Bolt Studs
  • High Performace Jobs
  • Port & Polished Head
  • 3-Angle Valve Jobs

Other Cylinder Head Services Performed:

  • Broken bolts removed
  • Crack repair
  • Valve seats installed
  • Resurfacing
  • Screw in studs installed
  • Spring pocket enlarging
    for o.s. springs
  • Cut for larger valves
  • Helicoils installed
  • Press in studs
    removed/ installed
  • Spring heights/
    pressures set
  • Aluminum welding
  • Pressure testing
    for cracks
  • Valve guides installed
  • Valve spring
    shims installed
  • Valve guides cut
    for positive seals
  • Mill stud bosses down
  • Line bore most
    OHC heads

WE NOW PERFORM BLOCK BORING

Get It Done Right –
Get It Done Straight!

Cylinder Head Boring
Our new HP6A is the first automated cylinder honing machine capable of honing perfect identical bores! This machine will straighten tapered and out of round bore conditions automatically!

Call Today for Your
Free Estimate.

State of the Art Technology
Top of the Line Service

High Performance

Our dedication to you as a customer is to provide high quality machine work. We further believe it is our obligation and your right to know what you are receiving for your cylinder head rebuilding dollar.

Cylinder Head Rebuilds

Domestic and Import Cylinder Heads
Available Rebuilds or New

Named and classified by casting number.

We find it for you!

New Cylinder Heads

New Cylinder Heads
Currently Available

We've got New Cylinder Heads
In Stock and ready to ship.

Call for a Quote!

Cylinder Head Installation Instructions

DOVER CYLINDER HEADS are completely reconditioned and thoroughly tested at the factory. To insure proper installation, please see our Cylinder Head Installation: Recommended Steps & Information.

Our Procedure
for Reconditioning
Cylinder Heads:

  1. Heads are disassembled and thoroughly cleaned.
  2. All valves, springs, retainers cleaned separately.
  3. Gaskets removed and heads buffed of excess carbon.
  4. Spring Pressure: checked by Mechanical testor against OEM specifications.
  5. Valves:
    • Wear checked
    • Warped checked
    • Margin checked
    • Stem end refaced
    • Face precision ground
  6. Head:
    • Surface straightness checked
    • Magnafluxed for cracks
    • Guides checked for excessive wear
    • Seats checked and ground to proper width and angle
    • Studs checked for damage, proper heights
  7. Assembly:
    • Valve stem heights checked and set
    • Assembled to factory specifications
    • Vacuum bench check for leakage between valves and seats
    • Head is painted, then bagged for convenience