AFR's Vortec cylinder head is a Mexico National NASCAR-spec aluminum Small Block Chevy head built with 190cc intake runners, 7/16in rocker arm studs, and a straight-plug design. It ships as a matched pair, listed under part number 0914 w/6400.
Specifications:
- Type: Mexico National NASCAR Spec Head
- Intake Runner Volume: 190 cc
- Rocker Arm Studs: 7/16 in
- Spark Plug Style: Straight Plug
- Head Series: Vortec
- Material: Aluminum
- Quantity: Pair
- Part Number: 0914 w/6400
Applications:
- Small Block Chevy
FAQ
What engine platform does this cylinder head fit?
It's built for the Small Block Chevy platform.
What intake runner volume does it use?
190 cc intake runners.
What size are the rocker arm studs?
7/16 in.
What spark plug style does it use?
A straight-plug design.
How many heads come in this listing?
It's sold as a matched pair, part number 0914 w/6400.

