What is the purpose of a valve spring seat?

A valve spring seat sits between the valve spring and the cylinder head. It provides a flat, stable surface for the spring to rest on, ensuring consistent pressure and proper valve operation within the engine.

What does the 'SPRING CUP-ID 1.311 LT4inT' designation mean?

This designation indicates the inner diameter (ID) of the spring cup is 1.311 inches, and it's intended for LT4 engine applications. This specific sizing is important for proper fitment with compatible valve springs and cylinder heads.

Does this part come with any hardware?

This product is for the valve spring seat only. Any necessary hardware for installation, such as seals or retainers, would typically be purchased separately or come as part of a larger valve train kit.

Specifications

Brand: Manley Performance
Part #: 42148-8

Manley Valve Spring Seat, SPRING CUP-ID 1.311 LT4inT

Name: Manley Valve Spring Seat, SPRING CUP-ID 1.311 LT4inT
Brand: Manley Performance
SKU: manley-performance-manley-valve-spring-seat-spring-cup-id-1-311-lt4int-t14-881571
Price: 56.47 USD
Availability: BackOrder

$56.47

On Backorder

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

Manley Valve Spring Seat, SPRING CUP-ID 1.311 LT4inT. A well-built component for your engine's valve train.

Key Features

Fits Manley valve spring applications with a 1.311 inch inner diameter.
Designed for LT4 engine configurations.
Provides a stable seating surface for valve springs.
Made by Manley Performance, a well-known name in engine components.

⚠️ 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

Secure CheckoutFast Shipping631-982-0042

About this part

Product Details

With an inner diameter of 1.311 inches, this Manley valve spring seat is specifically made for certain LT4 engine applications. It's a small but crucial part of your engine's valve train, sitting between the valve spring and the cylinder head. Its job is to provide a stable, flat surface for the spring to rest on, ensuring consistent pressure and proper valve operation.

Manley Performance is known for making solid engine components, and this spring seat is no different. It's built to handle the stresses of engine operation, helping to keep your valve springs seated correctly. When you're rebuilding or upgrading your engine's top end, parts like these ensure everything works together as it should.