Brzezinski Racing Products

We modify your cylinder heads!

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Technical Data Landing Page

30 vs 45 degree valve seats

Do valves with neck down stems flow better then straight stem valves?

Valve Stem Diameter Flow Testing

Valve Size, Air Flow, and Performance

Another test where larger valve hurt air flow

 

Brzezinski Racing Products | N50W23001 Betker Drive, Suite A, Pewaukee, WI 53072 |

The #1 Name in Cast Iron. 

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