Chevy Hi-Performance Homepage Chevy High Performance
Prev Next
With the valves removed, you can see some of the bowl blending and porting. Also note that the Bow Tie heads feature an angle-plug spark-plug design said to increase power by directing the spark path more toward the intake valve. The AFR 180 heads, however, feature a straight-in plug design.<p>
Aftermarket Heads - Head to Head

With the valves removed, you can see some of the bowl blending and porting. Also note that the Bow Tie heads feature an angle-plug spark-plug design said to increase power by directing the spark path more toward the intake valve. The AFR 180 heads, however, feature a straight-in plug design.

  View Related Article

 

Get Adobe Flash player