How to Address Issues with the Rocker Arm in a Ford Mustang?

To eliminate the assembly, the valve covers and the rocker arm assembly should be removed by removing the bolt in order to service the assembly. Mark elements to be re-installed. Install the rocker arms, and secure the bolts in two steps; 5 Nm then 35 Nm. Lastly, replace the valve covers.

How to service and repair the rocker arm assembly on Ford Mustang?

In order to service rocker arm assembly, take out the valve cover and assembly by removing the bolt, labeling the parts in case of more than 1 arm removed. Installation To install the valve cover, run the bolts in two parts, first 5 Nm, then 35 Nm and finally reinstall the valve cover.

OEM Ford Mustang Rocker Arm

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11 Rocker Arms found

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Ford Mustang Rocker Arms Part Number: 3L3Z-6564-A
$23.47 MSRP: $34.17
You Save: $10.70 (32%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: 3L3Z-6564-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Mustang | Bullitt, GT, Shelby GT | 8 Cyl 4.6 L GAS
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Ford Mustang Rocker Arms Part Number: EOAZ-6564-B
$16.37 MSRP: $23.83
You Save: $7.46 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Manufacturer Note: exc. "Cobra"
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1995 Ford Mustang | GT | 8 Cyl 5.0 L GAS
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Ford Mustang Rocker Arms Part Number: BR3Z-6564-A
$19.39 MSRP: $27.50
You Save: $8.11 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Manufacturer Note: Includes Retaining Clip
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford Mustang | Boss 302, GT, GT 50 Years Limited Edition, GT Premium, Shelby GT350, Shelby GT350R | 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS
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Ford Mustang Rocker Arms Part Number: YL2Z-6564-AA
$21.46 MSRP: $30.43
You Save: $8.97 (30%)
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: F77Z-6564-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Ford Mustang | Base | 6 Cyl 4.0 L GAS
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Ford Mustang Rocker Arms Part Number: F8AZ-6564-AA
$22.30 MSRP: $32.47
You Save: $10.17 (32%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: F2AZ-6564-A, F6AZ-6564-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2004 Ford Mustang | GT, GT Bullitt, Mach 1, SVT Cobra, SVT Cobra 10th Anniversary | 8 Cyl 4.6 L GAS
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Ford Mustang Rocker Arms Part Number: 4G7Z-6564-AA
$30.23 MSRP: $44.00
You Save: $13.77 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Manufacturer Note: For Non-Spraybar Oiling Style Cylinder Heads
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2014 Ford Mustang | Base, Shelby GT500, Shelby GT500KR | 6 Cyl 4.0 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
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Ford Mustang Head Gasket Part Number: FOSZ-6564-A
$23.42 MSRP: $31.87
You Save: $8.45 (27%)
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm; Rocker Arms; Alternator
- Replaced by: E9SZ-6564-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1986 Ford Mustang | GT, L, LX | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
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Ford Mustang Rocker Arms Part Number: HL3Z-6564-D
$29.73 MSRP: $42.17
You Save: $12.44 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2022 Ford Mustang | Shelby GT500 | 8 Cyl 5.2 L GAS
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Ford Mustang Rocker Arms Part Number: ML3Z-6564-A
$19.78 MSRP: $28.05
You Save: $8.27 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: ML3Z-6564-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2023 Ford Mustang | Bullitt, GT, GT Premium, Mach 1 | 8 Cyl 5.0 L GAS
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Ford Mustang Rocker Arms Part Number: GR3Z-6564-BA
$32.05 MSRP: $45.47
You Save: $13.42 (30%)
ADD TO CART
Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: GR3Z-6564-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2020 Ford Mustang | Shelby GT350, Shelby GT350R | 8 Cyl 5.2 L GAS
View related parts
Ford Mustang Rocker Arms Part Number: E9SZ-6564-A
$23.42 MSRP: $31.87
You Save: $8.45 (27%)
ADD TO CART
Product Specifications
- Other Name: Arm Assembly - Valve Rocker; Rocker Arm
- Replaces: FOSZ-6564-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-2004 Ford Mustang | Base | 6 Cyl 3.8 L GAS, 6 Cyl 3.9 L GAS

Ford Mustang Rocker Arm

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Ford Mustang Rocker Arm Parts and Q&A

Rocker Arms
E9SZ-6564-A
Q: How to Address Issues with the Rocker Arm in a Ford Mustang?
A: To eliminate the assembly, the valve covers and the rocker arm assembly should be removed by removing the bolt in order to service the assembly. Mark elements to be re-installed. Install the rocker arms, and secure the bolts in two steps; 5 Nm then 35 Nm. Lastly, replace the valve covers.
Rocker Arms
F8AZ-6564-AA
Q: How to service and repair the rocker arm assembly on Ford Mustang?
A: In order to service rocker arm assembly, take out the valve cover and assembly by removing the bolt, labeling the parts in case of more than 1 arm removed. Installation To install the valve cover, run the bolts in two parts, first 5 Nm, then 35 Nm and finally reinstall the valve cover.