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Performer RPM Clevor
- Direct bolt-on for Windsor blocks including the 289-302 and 351W, allowing the creation of "Mock Boss" 302 or 351 "Clevor" Ford engines
- Features the desirable Boss 302 adjustable 7/16" stud and guideplate configuration
- Match with Edelbrock Performer RPM E-Boss manifolds for optimum performance
Cylinder Head Specifications |
| Combustion chamber volume |
60cc |
| Intake runner volume |
190cc |
| Exhaust runner volume |
90cc |
| Intake valve diameter |
2.05" |
| Exhaust valve diameter |
1.60" |
| Valve stem diameter |
11/32" |
| Valve guides |
Manganese bronze |
| Deck thickness |
5/8" |
| Valve spring diameter |
1.55" |
| Valve spring maximum lift |
.580" |
| Rocker stud |
7/16" |
| Guideplate |
Hardended steel |
| Pushrod diameter |
5/16" |
| Valve angle |
TBD |
| Exhaust port location |
Stock |
| Spark plug fitment |
14mm x 3/4 reach, gasket seat |
| Made In |
USA |
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Technical Notes: Match with Edelbrock head gasket sets. With 7/16" bolts on 289/302 engines, use Edelbrock stepped head bolt washer kit #9680. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs 14mm x 3/4" reach with flat gasket seat (Champion RC12YC) . |
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| Description |
Bare (Single) |
Complete (Single) |
| Performer RPM Clevor for Ford 289-351W |
61689* |
61699* |
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Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench
| #61629 | #61699 |
| Valve Lift |
.100" |
.200" |
.300" |
.400" |
.500" |
.600" |
.700" |
| Intake |
58 |
120 |
180 |
227 |
260 |
265 |
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| Exhaust |
54 |
105 |
138 |
151 |
161 |
165 |
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AMC
Flathead
