These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job.
- Standard port 23° head
- Accepts standard Chevy rocker arms and valve train components
- Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
- Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow
- 200cc recommended for 327-350 c.i. up to 400+ HP
- 220cc recommended for 383-400+ c.i. up to 550+ HP
Application Chart (GIF)
Roller Ready - Please specify cam lift when ordering.
Complete heads are made to order, please allow 3-4 days to assemble.
- Recommended Spark Plug: 14 mm-5/8", .480 reach, tapered shaft
- Approximate Compression Ratio Chevy 350 w/ Keith Black 474-120 flat top pistons:
200 Intake, 50cc Combustion Chamber
Made to order, allow 3-4 days to assemble.