Performance Upgrades For Every Riding Style!
Revolution Performance utilizes state-of-the-art CNC Cylinder Head technology to laser scan, digitize, and replicate intricately developed cylinder head modifications for American V-Twin applications. Our CNC Porting and Complete CNC Head Packages include oversize valves and performance valve springs designed to work hand-in-hand with our big bore kits, or for standard bore applications. Revolution Performance also offers a complete line of CNC maintenance services such as seat and guide replacement and CNC Valve Jobs.
Read more about our cylinder head packages and services we offer below.
Stage 2 CNC Cylinder Heads
Revolution Performance Stage 2 CNC Cylinder Head Service Packages were developed on the flow bench, dyno and street to increase power and torque on the v-twin engines. These heads flow much better than stock, with our focus on port velocity we have created heads for better overall power and ride-ability. We have developed our Stage 2 CNC Cylinder Head Packages to get the most out of our Bolt-On and Monster Big Bore Kits.
Note: This service requires you to send us your cylinder heads.
Ready to start your order form? Click below to get started or call us direct at: (920) 892-2109.
Stage 2 CNC Ported Cylinder Heads Pricing
| Engine Type | Intake Valve Size | Exhaust Valve Size | Max Lift Springs | Price |
|---|---|---|---|---|
| EVO | 1.900″ | 1.615″ | 0.660 | $962.95 |
| Twin Cam | 1.900″ | 1.615″ | 0.660 | $962.95 |
| Sportster (883 Head) | 1.720″ | 1.500″ | 0.600 | $962.95 |
| Sportster (1250 Head) | 1.850″ | 1.615″ | 0.600 | $962.95 |
| Milwaukee 8 | +2mm | +1mm | 0.550 | $1,439.95 |
| Victory Motorcycle | +1.5mm | +1.5mm | 0.495 | $1,999.95 |
Stage 3 CNC Cylinder Heads
Revolution Performance Stage 3 CNC Cylinder Head Service Packages were developed on the flow bench, dyno and street to increase power and torque on the v-twin engines. These heads flow much better than stock, with our focus on port velocity we have created heads for better overall power and ride-ability. We have developed our Stage 3 CNC Cylinder Head Packages to get the most out of our Monster Big Bore Kits.
Note: This service requires you to send us your cylinder heads.
Ready to start your order form? Click below to get started or call us direct at: (920) 892-2109.
Stage 3 CNC Ported Cylinder Heads Pricing
| Engine Type | Intake Valve Size | Exhaust Valve Size | Max Lift Springs | Price |
|---|---|---|---|---|
| Twin Cam | 2.000″ | 1.630″ | 0.675 | $1,299.95 |
| Milwaukee 8 | +2mm | +3mm | 0.625 | $1,619.95 |
Cylinder Head Maintenance
Revolution Performance 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. Revolution Performance uses state of the art digital CNC machining technology like the Newen BB Contour Turning center.
Ready to start your order form? Click below to get started or call us direct at: (920) 892-2109.
Cylinder Head Maintenance Pricing
| CNC Valve Job (Labor Only) | Price |
|---|---|
| 4 Valve | $208.95 |
| 5 Valve | $251.95 |
| Replace Guides with CNC Valve Job (Labor Only) | Price |
| 4 Valve | $251.95 |
| 5 Valve | $271.95 |
| Replace Seats with CNC Valve Job (Labor Only) | Price |
| 4 Valve | $313.95 |
| 5 Valve | $355.95 |
| Replace Seats and Guides with CNC Valve Job (Labor Only) | Price |
| 4 Valve | $325.95 |
| 5 Valve | $382.95 |
