What is the purpose of a valve spring seat?

A valve spring seat sits at the base of the valve spring, providing a stable surface for the spring. It helps ensure the spring is installed at the correct height, which is important for proper valve train function.

Are these seats specific to certain engines?

Yes, these valve spring seats are designed for LT4 exhaust valve spring applications. The inner diameter is 1.340 inches, which is a specific measurement for certain engine builds.

What material are these valve spring seats made from?

The provided details do not specify the exact material, but they are well-built to handle the stresses of engine operation and maintain their shape.

Specifications

Brand: Manley Performance
Part #: 42169-8
UPC: 807298110714

Manley Valve Spring Seat, SPRING CUP-ID 1.340 LT4 EXH

Name: Manley Valve Spring Seat, SPRING CUP-ID 1.340 LT4 EXH
Brand: Manley Performance
SKU: manley-performance-manley-valve-spring-seat-spring-cup-id-1-340-lt4-exh-t14-881576
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 for LT4 exhaust. Ensures proper spring height and stability.

Key Features

Fits LT4 exhaust valve spring applications.
Inner diameter measures 1.340 inches.
Provides a stable base for valve springs.
Helps maintain correct installed spring height.
Well-built for engine operation stresses.

⚠️ 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

If you're rebuilding the top end of your LT4 engine, getting the valve springs set up just right is crucial. These valve spring seats from Manley are designed to sit at the base of the valve spring, providing a solid, stable platform for the spring to work against. This helps maintain the correct installed height for your valve springs, which is key for consistent valve train geometry and performance.

Manley makes these seats with a 1.340 inch inner diameter, specifically for exhaust valve springs in LT4 applications. They're well-built to handle the stresses of engine operation, ensuring they won't deform or wear out prematurely. Getting this small but important piece right contributes to the overall reliability and performance of your engine rebuild.