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Twin Cam Hop Up Tech Larger Valve Seats And Guides Installed

8. The new oversized valve seats and AV&V valve guides were installed and it was off to the porting room to port and polish the heads. Branch-O'Keefe's porting/polishing techniques are based on their extensive research on the flowbench and dyno.
Twin Cam Hop-Up

 8. The new oversized valve seats and AV&V valve guides were installed and it was off to the porting room to port and polish the heads. Branch-O'Keefe's porting/polishing techniques are based on their extensive research on the flowbench and dyno.  View Related Article

 

 

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