Bringing Cylinders Heads Back To Life!
Millennium Technologies is the world leader in Advanced Engine Solutions. We offer a wide variety of cylinder head repair and maintenance services. Used by factory race teams and some of the best builders in the country, our cylinder head services use the latest state of the art digital CNC machining processes to modify, maintain, and save cylinder heads.

Cylinder Head Maintenance
Millennium Technologies offers a complete suite of best in class cylinder head maintenance services including CNC valve jobs and seat and guide replacement. If you want maximum performance and reliability from your engine, precise CNC cylinder head maintenance is a must. Millennium Technologies uses state of the art digital CNC machining technology like the Newen BB Contour Turning center.
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Cylinder Head Maintenance Pricing
CNC Valve Job (Labor Only) | Price |
---|---|
Single Seat |
$110.95 |
2 Valve |
$179.95 |
4 Valve |
$208.95 |
5 Valve |
$251.95 |
Replace Guides with CNC Valve Job (Labor Only) | Price |
Single Hole / Single Valve Job |
$145.95 |
2 Valve |
$201.95 |
4 Valve |
$251.95 |
5 Valve |
$271.95 |
Replace Seats with CNC Valve Job (Labor Only) | Price |
Single Hole / Single Valve Job |
$145.95 |
2 Valve |
$286.95 |
4 Valve |
$313.95 |
5 Valve |
$355.95 |
Replace Seats and Guides with CNC Valve Job (Labor Only) | Price |
2 Valve |
$313.95 |
4 Valve |
$325.95 |
5 Valve |
$382.95 |

Combustion Chamber Repair
At Millennium Technologies, we perform miracles. If a head can be saved, we can save it and in turn, save you money! Our flat-rate repair service is an all-inclusive cylinder head emergency room. Crashed pistons, dropped valves, damaged seats, we don’t care. Our evaluation service is free so before you throw that cylinder head away, give us a chance to bring it back from the dead.
Our CNC combustion chamber repair service includes: a free evaluation, chamber mapping, welding, seat and guide replacement, CNC combustion chamber machining, and CNC valve job. This price is for labor only. Seats, guides, and any repairs outside the chamber would incur additional costs.
Complete Combustion Chamber Repair (per chamber): $591.95
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CNC Head Porting
Through our partnerships with the best builders in the country, we are able to provide fully developed CNC ported cylinder head services to our retail and dealer customers. Our CNC ported head services are perfect additions to our big-bore kits and anyone that wants optimum performance. Each head design has under gone extensive testing in both simulation, on the dyno, and on the race track. Once the port design is optimized, the port is then digitized so that we can reproduce the same perfect port every time.
CNC Head Porting Starting At $621.95
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CNC Dealer Contract Services
Let Millennium Technologies be an extension of your shop. Your time is valuable. Time spent slaving away at the porting bench or with a die grinder is time you can spend making money. Let us do the work for you so you can spend more time doing things that you want to do!
If you are porting heads by hand you are wasting time and money. Send us your best port shape and we will digitize it under contract and replicate that head over and over again specifically for you.
Contract CNC Head Porting Starting At $296.95
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