What is the purpose of a valve spring seat?

A valve spring seat provides a stable base for the valve spring to rest on within the cylinder head. It ensures the spring is properly positioned and maintains consistent pressure during operation.

What does the 'SPRING CUP-ID 1.255' specification mean?

This refers to the internal diameter (ID) of the spring seat, which is 1.255 inches. This measurement is important for ensuring the valve spring fits correctly onto the seat.

Are these seats sold individually or as a set?

This product is sold as a set of 16 valve spring seats, which is a common quantity for most V8 engines.

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Specifications

Brand: Manley Performance
Part #: 42123-16
UPC: 807298043555

Manley Valve Spring Seat, SPRING CUP-ID 1.255

Name: Manley Valve Spring Seat, SPRING CUP-ID 1.255
Brand: Manley Performance
SKU: manley-performance-manley-valve-spring-seat-spring-cup-id-1-255-t14-881561
Price: 112.96 USD
Availability: BackOrder

$112.96

On Backorder

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

Manley Performance valve spring seats. Part# 42123-16. Direct fit.

Key Features

This product includes 16 Manley Performance valve spring seats.
The internal diameter of each seat is 1.255 inches.
Part number 42123-16.

⚠️ 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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About this part

Product Details

This package includes 16 Manley Performance valve spring seats, part number 42123-16. These seats are designed to properly support your valve springs, ensuring they function correctly within the engine's cylinder head.

Crafted with durability in mind, these spring seats are a well-built component for your engine's valvetrain. They are intended to fit precisely where the valve spring rests, providing a stable foundation for the spring's operation. Proper seating is crucial for maintaining consistent valve spring pressure and preventing premature wear.