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Perfect Circle Engines

PRO R Big Port

PRO R Big Port

Regular price $4,999.00 USD
Regular price Sale price $4,999.00 USD
Sale Sold out
Fit & Finish

Produce more power, with less effort! The big port delivers huge gains across the curve even when using less boost compared to stock heads.

-CNC ported runners and chambers designed for maximum efficiency and velocity. 

-CNC Newen performance valve job, multi-radius/angle. 

-Bronze valves guides 

-Surfaced to single digit Ra's 

-Assembled with our own proven recipe of top branded components

-Lashed and ready to bolt-on if requested! 

*Call or email to discuss which package fits your needs

*Customers must send us good head core, or one may be provided at additional cost. 

*Customers must also supply 16 good lifter buckets, can be provided at additional cost. 

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