Chevrolet 409 Portflow Series Valves
stainless steel swirl polished performance valves Big Block Chevy
RPM - RON'S PRECISION MACHINE, INC.
69 E. 580 N.
Santaquin, Utah 84655
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Portflow Series Valves
These valves are ideal for both competition and street applications. They are similar in material and design to competition valves, but manufactured in large production runs for all of the most popular applications. Because of the fully automated (robotic) production, SEV-series valves are priced lower than racing models, yet feature the same premium quality stainless steel forgings, Chrome stems, stellite tips, and swirl-polishing. If you do not see a valve you need in the Competition or Silverline Series, use the Portflow, as they are suitable for these applications.

These part numbers begin with SEV.

Call toll free to order at 1-866-700-5877 or
Contact us anytime OR use your e-mail program and type in ron@rpmrons.com to send an e-mail with what you need
or use the Order Form for questions and to check stock.

These prices are not current.

BBC 409 Intake and Exhaust Valves
Description Length Part # List Price Your Cost $
2.190 (409 cu.in.) Intake Valve 5.110 SEV-2387-C 25.32 14.47
2.090 (409 cu.in.) Intake Valve 5.110 SEV-2387-ES 25.32 14.47
1.720 (409 cu.in.) Exhaust Valve 5.110 SEV-2388-C 25.32 14.47
1.660 (409 cu.in.) Exhaust Valve 5.110 SEV-2388-CS 25.32 14.47
1.940 348/409 cu.in. Intake 5.110 SEV-2387-194 25.32 14.47
 

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