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| CYLINDER HEADS - Chevy - Small Block - SCCA Legal Heads For American Sedan Competition |
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SCCA Legal Heads For American Sedan Competition
These heads are designed exclusively for the SCCA American Sedan Series Class. To comply with class rules, there is no blending work in the intake entries, exhaust exits or bowl area of the intake or exhaust. The casting is manufactured from A356 aluminum and heat treated to T6 spec for superior quality. All heads include manganese-bronze valve guides, one piece stainless steel valves with hardened tips, ductile iron
valve seats and Heli-CoilŪ threaded inserts in the exhaust and rocker stud holes. Bare heads will require final sizing of the valve guides and a proper valve job prior to the installation of valves. All Edelbrock SCCA RPM heads are engraved with SCCA approved logo and legal for American Sedan Class. For additional information, please refer to the SCCA rule book. Match with SCCA approved Performer RPM intake, #7101.
Cylinder Head Specifications |
| Combustion chamber volume |
64cc |
| Intake runner volume |
185cc |
| Exhaust runner volume |
65cc |
| Intake valve diameter |
1.94" |
| Exhaust valve diameter |
1.55" |
| Valve stem diameter |
11/32" |
| Valve guides |
Manganese bronze |
| Deck thickness |
9/16" |
| Valve spring diameter |
Springs NOT included |
| Valve spring maximum lift |
N/A |
| Rocker stud |
3/8" |
| Guideplate |
Hardened Steel |
| Pushrod diameter |
5/16" |
| Valve angle |
23° |
| Exhaust port location |
Stock |
| Spark plug fitment |
14mm x 3/4 reach, gasket seat |
| Made In |
USA |
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| Description |
Bare (Single) |
With Valves (Single) |
| SCCA Small-Block Chevy RPM |
608879* |
608979* |
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Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2O
| #608979 |
| Valve Lift |
.100" |
.200" |
.300" |
.400" |
.500" |
.600" |
.700" |
| Intake |
61 |
127 |
185 |
217 |
229 |
237 |
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| Exhaust |
51 |
95 |
118 |
131 |
137 |
140 |
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AMC
Small Block
