What size valve springs are these retainers designed for?

These COMP Cams retainers are specifically designed for valve springs with an outer diameter ranging from 1.437 inches to 1.500 inches.

What material are these retainers made from?

They are precision machined from high-grade SAE 4140 chromemoly steel, which is known for its strength and durability in engine components.

Do these retainers come with valve locks or keepers?

This product listing is for the steel retainers only. Valve locks, also known as keepers, are sold separately.

COMP Cams 743-1 Steel Valve Spring Retainer 11/32in

Name: COMP Cams Steel Retainer 11/32in 1.437in
Brand: COMP Cams
Price: 11.95 USD
Availability: InStock

COMP Cams Steel Retainer 11/32in 1.437in

$11.95

On Backorder

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

COMP Cams Steel Retainer 11/32in 1.437in. A well-built retainer for higher-pressure valve springs.

Key Features

Fits 11/32 inch valve stems and 1.437-1.500 inch outer diameter valve springs.
Constructed from high-grade SAE 4140 chromemoly steel for strength.
CNC-machined to exact tolerances for a precise fit.
Features a contoured top profiling for reduced stress and mass, and increased lift.
Black oxide finish provides corrosion resistance.
Designed for use with higher-pressure valve springs.

⚠️ 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 upgrading your valve springs to handle more pressure, you'll need retainers that can keep up. These steel retainers from COMP Cams are built to manage the increased forces from larger diameter valve springs. They are designed to work with 11/32-inch valve stems and valve springs with an outer diameter between 1.437 and 1.500 inches.

COMP Cams used advanced computer modeling, including 3D CAD and FEA, to shape these retainers. This process helped them create a contoured top profile that reduces stress and mass, while also allowing for increased lift. Each retainer is CNC-machined to precise measurements from high-grade SAE 4140 chromemoly steel, ensuring a solid and reliable component for your engine's valvetrain. The black oxide finish adds a layer of corrosion resistance.

This retainer is a popular choice for many engine builds, fitting a wide range of vehicles from classic Ford Broncos and Chevrolet Caprices to Buick Electras. It's designed to pair well with COMP Cams valve springs like their 982, 990, 972, 901, 988, and 950 models.