Overview
Suitable for Chrysler Small Block LA 340ci engines (non-Magnum.)
Supplied READY TO FIT: valves, valve guides, valve springs, valve retainers and valve collets all fitted.
This product is sold as individually.
Supplied READY TO FIT: valves, valve guides, valve springs, valve retainers and valve collets all fitted.
- Performer RPM Chrysler heads deliver outstanding performance in non-emission 1967-91 Chrysler 318-340-360 c.i.d. engines
- Designed for non-emission 1968-73 340 c.i.d. Chryslers, RPM Chrysler 340 heads have chambers machined .060" for clearance with early high-compression engines
- These heads are capable of 417 horsepower and 397 ft/lbs. of torque on pump gas with an Edelbrock Performer RPM intake manifold and matching camshaft
Cylinder Head Specifications
| Combustion chamber volume | 63cc & 65cc |
| Intake runner volume | 171cc |
| Exhaust runner volume | 77cc |
| Intake valve diameter | 2.02" |
| Exhaust valve diameter | 1.60" |
| Valve stem diameter | 11/32" |
| Valve guides | Manganese bronze |
| Deck thickness | 5/8" |
| Valve spring diameter | 1.46" |
| Valve spring maximum lift | .575" |
| Rocker stud | N-a |
| Guideplate | N-a |
| Pushrod diameter | 5/16" |
| Valve angle | 18° |
| Exhaust port location | Stock |
| Spark plug fitment | 14mm x 3/4 reach, gasket seat |
| Made In | USA |
Technical Notes: The special valvetrain in the 1970 340 T/A is not compatible with these heads. Match with Edelbrock head gasket sets.
Recommended spark plugs 14mm x 3/4" reach with flat gasket seat (Champion RC12YC).
Flow Numbers as tested by Edelbrocks SuperFlo SF-1020 flow bench
| #60779 | #60179 | |||||||
| Valve Lift | .100" | .200" | .300" | .400" | .500" | .600" | .700" |
| Intake | 69 | 129 | 188 | 232 | 249 | 251 | - |
| Exhaust | 64 | 108 | 142 | 171 | 183 | 190 | - |
This product is sold as individually.
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Additional Information
| SKU | 107.20110 |
|---|---|
| Factory Comparison | Retro-fit Replacement |
| Sale Unit | Each |