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KMS manufactures most of their products in house. Retainers (titanium & aluminum), bronze valve guides, aluminum block guards, and block girdles are just a few of the performance parts KMS manufactures in house and can be custom created or modified to work with almost any application.
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| HEAD
PORTING |
| Home > Performance
Services > Head
Porting |
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| Head Porting - Stage 1 |
| Price:
$475 | 770.652.3538 | Have Us Contact You |
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Products Included in the Stage 1
Cylinder Head
Services Included in the Stage 1
Mild Port Job
Glass Bead
Fly Cut Head
Valve Job
Note: Price does not include seals or Shipping & Handling

Here you can see some of the features of our cylinder head service.
All casting marks in the air ports are removed to help increase airflow speed.
The head is ported, polished, and glassbeaded to smooth out all minor flaws.
Depending on stage, you also receive race valve job with 5 angle intake 3 angle
exhaust. The head is also flow tested in house on our flow bench. The final
step is to deck the head by flycutting it. During this step, increased compression
is available.
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| Head Porting - Stage 2 |
| Price:
$700 | 770.652.3538 | Have Us Contact You |
| Products
Included in the Stage 2
Cylinder Head
Services Included in the Stage 2
Mild Port Job
Glass Bead
Fly Cut Head
Valve Job
3-Angle Valve Job
Popular Stage 2 options are available for an additional cost:
- Staleited Nitrided Valves
- Aluminum or Titanium Retainers
- Silicone Bronze Valve Guides
- Racing Springs
- Custom Ground Cam

The
picture above show some of the features of our Stage 2 cylinder
head service.
Notice the opened intake and exhaust ports that are matched to
the gaskets.
All casting marks in the air ports are removed to help increase
airflow speed.
The head is ported, polished, and glassbeaded to smooth out all
minor flaws. The head is flow tested on our in-house flow
bench. Finally, the head is flycut. We can increase compression
to your specs.
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| Head Porting - Stage 3 |
| Price:
$1000 | 770.652.3538 | Have Us Contact You |
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Products
Included in the Stage 3
Cylinder Head
Services Included in the Stage 3
Extreme Port Job
Glass Bead
Fly Cut Head
Valve Job
Gasket Matched
Valves Lightened
New Radius on Valves
Extreme Reshaping of Valves
Popular Stage 3 options are available for an additional cost:
- Staleited Nitrided Valves
- Titanium Retainers
- Silicone Bronze Valve Guides
- Race Valve Springs
- Custom Ground Cams
- Brands include Skunk2, Comptech, Ferrea, Web Cams, Crower,
Crane.
All casting marks in the air ports are removed to
help increase airflow speed. The head is ported, polished, and glassbeaded
to smooth out all minor flaws.
Depending on stage, you also receive race valve job with 5 angle intake
3 angle exhaust. The head is also flow tested in house on our flow bench.
The final step is to deck the head by flycutting it. During this step,
increased compression is available.
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