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RHS Pro Action Small Block Chevy Cast Iron Heads, Angle Plug, 200cc/64cc

RHS Pro Action Small Block Chevy Cast Iron Heads, Angle Plug, 200cc/64cc
RHS Pro Action Small Block Chevy Cast Iron Heads, Angle Plug, 200cc/64cc
RHS Pro Action Small Block Chevy Cast Iron Heads, Angle Plug, 200cc/64cc

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Reviews

Q & A

What's in the Box

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.

Specs

  • Recommended Spark Plug: 14 mm, 5/8" hex, .480 reach plugs, tapered shaft
  • Approximate Compression Ratios Chevy 350 w/ Keith Black 474-120 flat top pistons:
    • 64cc = 10.2 to 1
    • 50cc = 12.04 to 1 

Item Details

Angle Plug
200cc Intake, 64cc Combustion Chamber
Made to order, allow 3-4 days to assemble.

Customer Reviews

This product has no reviews.

Product Q&A

2 questions : 2 answers

1 answers

seats & guides What are the seats and guides made of? Thanks Paul

paikenent
Maine
January 30, 2014

seats & guides What are the seats and guides made of? Thanks Paul

Answers

January 30, 2014
EricM
These have bronze guides and the seats are flame hardened cast iron.
1 answers

These heads are listed as 220 heads. item specs says 200 which are they? also what is max lift in these heads?

MudPartol
Des Moines, IA, USA
January 16, 2014

These heads are listed as 220 heads. item specs says 200 which are they? also what is max lift in these heads?

Answers

January 16, 2014
EricM
Sorry for the confusion. These are 200cc intake runner, 64cc combustion chamber cylinder heads with angle plugs. Max lift with the valve springs provided is .500" lift. The valve springs are intended for use with hydraulic lifter camshafts.
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