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CNC Fabrication Valve Spring Shim Kit for Ford Power Stroke 7.3L 1994.5-2003 - 421020

421020 CNC Fabrication Valve Spring Shim Kit

The 421020 CNC Fabrication Valve Spring Shim Kit is engineered for precision and performance in the Ford Power Stroke 7.3L engines produced between 1994.5 and 2003. This kit addresses common issues associated with valve spring heights and preload, ensuring optimal performance in your diesel application.

Key Features

  • Manufactured using high-quality materials to meet or exceed OEM specifications.
  • In-house machining on advanced equipment guarantees precise fitment and consistency.
  • Includes a complete set of valve spring shims to enhance valve spring performance and longevity.
  • Designed to support higher RPMs and reduce the risk of valve float.
  • Easy installation with no core return required, making it a straightforward upgrade for enthusiasts.

Installation Notes

Installation of the 421020 Valve Spring Shim Kit is straightforward for those familiar with engine work. Ensure that you have the necessary tools and follow standard procedures for valve spring removal and installation. This kit is compatible with stock valve springs and does not require additional modifications to the engine components.

Fitment

  • Ford Power Stroke 7.3L 1994.5-2003

Upgrade your Ford Power Stroke engine's valve train with the 421020 CNC Fabrication Valve Spring Shim Kit for improved reliability and performance under demanding conditions.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

CNC Fabrication Logo

ABOUT CNC FABRICATION

CNC Fabrication specializes in the performance of Ford Power Stroke diesel engines. From stock cars to sled pulling and drag racing, there is something for everyone. At CNC Fabrication, they have a mission to consistently expand their brand through the introduction of innovative, high-quality products that will enable them to better serve customers’ specific needs.

CNC FABRICATION HISTORY

CNC Fabrication, began as a side business about ten years ago with the goal of assisting Ford Powerstroke in upgrading their work vehicles and resolving some concerns. Due to the success of their first two products, the shop has grown quickly, allowing the owner to leave his 22-year full-time job as a journeyman millwright to keep making new, innovative products and giving customers more ways to keep their trucks running for many years to come. CNC Fabrication is one of the rare manufacturers of Ford engines and accessories that is being sold at an affordable price without compromising on quality.

CNC FABRICATION PRODUCT

With decades of experience delivering proven capabilities in precision, quality, and documentation standards, CNC Machine & Fabrication possesses the expertise, machinery, and management necessary to deliver precision parts of the highest quality with exceptional service. Exclusively for the Ford Powerstroke engine line up, they are the best in performance diesel parts and machinery accessories. These include injectors, exhaust, fuel systems, fabrication, suspension, turbos, and interior accessories for ford engines. One of their heavy production is the 7.3L fuel line kit Ford Powerstroke engine that eliminates mechanical leaks and comes with all the necessary fittings for the installation process.

Vivid Racing – CNC FABRICATION

Vivid Racing holds high quality products from CNC Fabrication suppliers. Their specific products includes the ford Powerstroke feed fuel line kit, Air Intake heater delete plug, air cooler boot kit, fuel line kit, fuel bowl Powerstroke, high pressure oil pump lines, intake plenum reinforcement, plate girdle black oxide steel, valve spring kit, and Bee hive valve for Ford engines.

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Things
Sale price None
Wholesale price $2,072.98
Shipping Weight: 120.00
Length: 24
Width: 12
Height: 8
Product Added At Wednesday 23 April, 2025
Product Modified At Tuesday 27 May, 2025
Imported By ETLOverride
Last Edited By kathi@vividracing.com
View In Admin

Emissions Info
Carb Approved No
Carb Number -
Epa Status -
Prop65 -
Carb Required -
Vendors
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Vendor Inv Cost Retail Jobber MAP Core Updated
CNC Fabrication $1,756.76 $2,195.95 ? ? ? 2025-05-27 16:34:46


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