Chevy Hi-Performance Homepage Chevy High Performance
Prev Next
The easiest way to identify a Vortec head is by the sawtooth pattern cast into the front. Look for casting number 12558062, but avoid casting number 10239906, which has a modified exhaust seat and loses 20 percent of its flow at 0.120-inch lift.
Iron Vortec Head

 The easiest way to identify a Vortec head is by the sawtooth pattern cast into the front. Look for casting number 12558062, but avoid casting number 10239906, which has a modified exhaust seat and loses 20 percent of its flow at 0.120-inch lift.  View Related Article

 

Get Adobe Flash player
Source Interlink Media © 2008 Chevy Hi-Performance,
Source Interlink Media
All rights reserved. WEB-062