What is the ratio of the Magnum rocker arms in this kit?

The Magnum rocker arms included in this kit have a 1.6 ratio. This means they multiply the valve lift generated by the camshaft by 1.6, which can help improve engine breathing and performance.

Are these rocker arms self-aligning?

Yes, the Magnum rocker arms in this kit are self-aligning. This feature helps to keep the rocker arms centered on the valve stems during operation, which simplifies installation and can contribute to proper valvetrain geometry.

What is the length of the pushrods included in this kit?

This kit includes High Energy pushrods that are 6.248 inches long. These pushrods are designed to work with the Magnum rocker arms and the specific geometry of the Ford 5.0 HO engine.

1985-1991 Mercury Grand Marquis Rocker Arm Kit

Name: COMP Cams Rocker Arm/Pushrod Kit Magnum
Brand: COMP Cams
SKU: comp-cams-comp-cams-rocker-arm-pushrod-kit-magnum-t14-4397036
Price: 290.33 USD
Availability: BackOrder

COMP Cams Rocker Arm/Pushrod Kit Magnum

$290.33

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1985-1991 Mercury Grand Marquis. COMP Cams Magnum rocker arm and pushrod kit for improved engine performance.

Key Features

Fits 1985-1991 Mercury Grand Marquis, 1987-1991 Ford Country Squire, 1996-2001 Ford Explorer, and 1985 Mercury Capri.
Includes a full set of 16 Magnum rocker arms with a 1.6 ratio.
Magnum rocker arms are self-aligning for easier installation.
Comes with 6.248-inch long High Energy pushrods.
Designed for Ford 5.0 HO engines.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

If you're looking to get more out of your Ford 5.0 HO engine, this rocker arm and pushrod kit from COMP Cams is a solid choice for your 1985-1991 Mercury Grand Marquis. This kit is designed to help your engine breathe a little better, potentially leading to improved performance. It's a common upgrade when rebuilding or refreshing the top end of these popular V8s.

Inside this kit, you'll find a full set of 16 Magnum rocker arms. These feature a 1.6 ratio, meaning they multiply the valve lift from the camshaft more than stock, which can help increase airflow into and out of the cylinders. They're also self-aligning, which simplifies installation by helping them stay centered on the valve stems. Along with the rockers, the kit includes 6.248-inch long High Energy pushrods, which are built to handle the increased stress and ensure proper geometry within the valvetrain.

This COMP Cams kit is a well-built package for anyone working on their Ford 5.0 HO. It's a direct replacement for your stock components, making it a straightforward addition to your engine build.