Edelbrock Signature Series 4431 | Engine Valve Cover Set

Part Number
Signature Series Valve Cover; No Baffle; 3 in. Overall Height; Pair

Fits: 67-74 American Motors Ambassador, 67-68 American Motors American, 67-70 American Motors Rebel, 68-70 American Motors AMX, 68-74 American Motors Javelin, 69 American Motors Rambler, 70-77 American Motors Hornet, 71-78 American Motors Matador, 72-76 American Motors Gremlin, 72-81 Jeep CJ5, 72-75 Jeep CJ6, 72 Jeep Commando, 72-73 Jeep J-2500, 72-73 Jeep J-2600, 72-83 Jeep Wagoneer, 74-83 Jeep Cherokee, 74-88 Jeep J10, 74-88 Jeep J20, 78-79 American Motors AMX, 76-81 Jeep CJ7, 78-79 American Motors Concord, 78-79 American Motors Pacer, 79 American Motors Spirit, 84-91 Jeep Grand Wagoneer

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The Edelbrock #4431 Signature Series Valve Covers are designed for AMC/Jeep 290-304-343-360-390-401 V8 '67-91 applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.

BRAND: Edelbrock


  • Signature Series Valve Covers for AMC/Jeep 290-304-343-360-390-401 V8
  • Overall Height: 3.0in.; No Baffle; Tall Profile are 1-1/4in. taller than stock; and clear most aluminum roller rockers and valvetrain components with moderate lift cams. Low Profile valve covers clear air-conditioning and alternator brackets. Signature Series
  • Signature Series Valve Cover
  • Signature Series Valve Covers for AMC/Jeep 290-304-343-360-390-401 V8
  • { eo : 0in.}
  • AMC:Small-Block:290 (4.7L)/304 (5.0L)/360 (5.9L)/390 (6.4L)/401 (6.6L)
  • Accept All Emissions Equipment
  • Includes PCV Valve Holes
  • Edelbrock; Edelbrock Valve Cover; Valve Cover; PCV; Breather; PCV Baffle; Baffle; Breather hole; PCV hole; 1-1/4in. diameter hole; Aluminum roller rocker; Aluminum; Stamp steel; sand cast; 4446; Signature Series Valve Covers; Chevrolet; 262-400; 87-95; Cent
  • Accept PCV Valve
  • Rubber Grommets For Breather
  • Triple Chrome-Plated


Cylinder Head TypeStandard
Engine Make/SizeAMC 290-401
Valve Cover StyleShort
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: This product can expose you to Chromium; which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information; visit www.P65warnings.ca.gov.

No Baffle; 3 in. Overall Height; Pair




  • 1978-1979 American Motors Concord
  • 1974-1988 Jeep J20
  • 1968-1970 American Motors AMX
  • 1967-1970 American Motors Rebel
  • 1972-1976 American Motors Gremlin
  • 1969-1969 American Motors Rambler
  • 1978-1979 American Motors Pacer
  • 1972-1975 Jeep CJ6
  • 1972-1973 Jeep J-2500
  • 1984-1991 Jeep Grand Wagoneer
  • 1972-1981 Jeep CJ5
  • 1974-1988 Jeep J10
  • 1971-1978 American Motors Matador
  • 1968-1974 American Motors Javelin
  • 1972-1972 Jeep Commando
  • 1972-1983 Jeep Wagoneer
  • 1974-1983 Jeep Cherokee
  • 1976-1981 Jeep CJ7
  • 1978-1979 American Motors AMX
  • 1967-1968 American Motors American
  • 1979-1979 American Motors Spirit
  • 1970-1977 American Motors Hornet
  • 1967-1974 American Motors Ambassador
  • 1972-1973 Jeep J-2600
Customer Questions
Will an engine flush clean my pistons?
No, an engine flush is unlikely to clean the pistons.
How to replace engine pistons?
Replacing engine pistons involves removing the engine from the vehicle, disassembling it, removing the pistons, inspecting the engine components, installing the new pistons, reassembling the engine, and testing it. It's a complex process that should only be attempted by experienced mechanics.
When do engine pistons rings go bad?
Engine piston rings can go bad due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust. Regular maintenance and inspection can help identify potential issues.
Why do engine piston rings fail?
Engine piston rings can fail due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Regular maintenance and inspection of the engine can help identify potential issues. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust.
Can you replace engine pistons rings without removing the engine?
Replacing engine piston rings without removing the engine is possible but not recommended due to the extensive disassembly required and the risk of damaging other engine components. A full rebuild or overhaul is generally more efficient and effective.
What size Edelbrock carburetor do I need?
The size of the Edelbrock carburetor you need depends on several factors, including your engine's displacement, performance goals, and intended usage. It is recommended to consult Edelbrock's carburetor sizing guidelines or seek advice from a knowledgeable professional to determine the appropriate carburetor size for your specific application.
Why is my Edelbrock carb flooding?
Several reasons can cause an Edelbrock carburetor to flood, including issues with the float level, needle and seat, or fuel pressure regulator.
How does the Edelbrock electric choke work?
The Edelbrock electric choke uses an electric heating element to control the opening and closing of the choke plate, allowing for automatic choke operation based on engine temperature.
Are Edelbrock carbs square bore?
Yes, most Edelbrock carburetors are designed as square bore carburetors.
Are oil pump gears necessary?
Yes, oil pump gears are essential for maintaining proper engine lubrication in an internal combustion engine.
How do oil pumps work?
Oil pumps work by creating pressure to circulate engine oil throughout an internal combustion engine.
Where is the oil pump located?
The oil pump is typically located inside the engine's lower oil pan or sump.
Why do oil pump failures happen?
Oil pump failures can arise from wear, contamination, poor maintenance, and manufacturing defects, causing inadequate lubrication and potential engine damage.
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