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Engines and Components› Camshafts and Valvetrain

Manley Performance

SPRING CUP-ID 1.550

$100.28 $95.27 Save $5.01

SKU: M004 42317-16

In Stock
In Stock
Ships by Oct 5
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Manley Performance valve spring locators are a set of 16 components designed for engine building. They are constructed from steel with a black oxide finish and have a thickness of 0.062 inches. The outer diameter is 1.550 inches, and they are intended for use with 1.550 inch OD springs.
Show original supplier description

Part #: 42317-16

Manley Valve Spring Seat, SPRING CUP-ID 1.550.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Vehicle Symptoms
  • Valve float at high RPM
  • Unstable valve spring pressure after performance cam swap
  • Valve train noise after spring installation
  • Loss of power above 6000 RPM
  • Engine misfire under high load
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandManley Performance
Part NumberM004 42317-16
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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