Engines and Components› Camshafts and Valvetrain

Melling

Spring Kit

$238.87

SKU: M00L VSK46645

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Out of Stock
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Melling VSK46645 is a high-performance engine valve spring kit designed for a wide range of applications, from street to drag racing.

This kit includes 16 valve springs, 16 steel valve spring retainers, and 32 valve locks. It features a single spring design with an open height of 1.174 inches and an installed height of 1.720 inches. The installed pressure is rated at 130 PSI, with an open pressure of 315 PSI.
Show original supplier description

Part #: VSK46645

Kit Includes 16 466454 Valve Springs, 16 475184 Steel Valve Spring Retainers, and 32 VL-200 Valve Locks. Street to circle track, OEM to drag race performance, Melling valve spring kits cover the market and your requirements. Standard, mid-range, heavy-duty and race ready applications are available from Melling in a variety of wire sizes, materials, and spring pressures. Melling spring designs include standard and dual springs with and without dampers as well as new beehive applications. Performance valve locks, seals, and retainers included are designed to increase performance and durability. Whatever your valve spring kit needs may be, Melling has a variety of quality valve spring kits to fit your requirements.

Features:

  • Set Includes 16 Spring Retainers
  • Set Includes 32 Valve Locks
  • 1.174 Inch Open Height
  • 315 PSI Open Pressure
  • 1.720 Inch Installed Height
  • 130 PSI Installed Pressure
  • Single Spring
  • Set Includes 32 Valve Locks
  • Set Includes 16 Valve Springs

High Performance Valve Spring

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

BrandMelling
Part NumberM00L VSK46645

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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.

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