
Original: $2,249.00
-70%$2,249.00
$674.70The Story
- WSI CNC Cylinder Head Porting Service
- WSRD +1mm Intake Valves
- WSRD +1mm Exhaust Valves
- Client Supplied OEM Polaris Valve Springs OR New OEM Polaris Valve Springs (Option Available)
- WSRD Valve Stem Seal Set
- WSI Cylinder Head Deck Service
- WSI Cylinder Head Valve Job Service
- WSI Vapor Hone Clearing Service
- WSRD Cylinder Head Assembly Service(s)
Please ship your cylinder head core to the following address:Ā
Whalen's Speed R&D
161 Commercial Avenue,
Paw Paw, Michigan 49079
Take your naturally aspirated, non-turbocharger Polaris Pro R to the next level with the WSI CNC Cylinder Head Porting Services!
Description
- WSI CNC Cylinder Head Porting Service
- WSRD +1mm Intake Valves
- WSRD +1mm Exhaust Valves
- Client Supplied OEM Polaris Valve Springs OR New OEM Polaris Valve Springs (Option Available)
- WSRD Valve Stem Seal Set
- WSI Cylinder Head Deck Service
- WSI Cylinder Head Valve Job Service
- WSI Vapor Hone Clearing Service
- WSRD Cylinder Head Assembly Service(s)
Please ship your cylinder head core to the following address:Ā
Whalen's Speed R&D
161 Commercial Avenue,
Paw Paw, Michigan 49079
Take your naturally aspirated, non-turbocharger Polaris Pro R to the next level with the WSI CNC Cylinder Head Porting Services!





















