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Heat Riser Valve Assembly, 390 V8 (66-67 Ford Thunderbird)Find parts that fit my vehicle

Item EK-66-39974-1
2 Reviews of similar
Our Price

$139.99 each

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Heat Riser Valve Assembly
      • Raw Metal Finish
      • OE Compatible and Comparable
      • Direct Replacement for Ecklers Legacy Number 64-39974 and Macs Legacy Number: C6SZ-9A427
      • Comes in Singles
      • Fits 1966 – 1967 390 V8 Ford Thunderbird Models

      Description

      Exhaust Flow Control. The Heat Riser Valve Assembly is designed to help regulate exhaust heat movement during engine operation, supporting proper warm-up behavior and more consistent drivability in restoration or replacement applications. Built with an OE compatible and comparable design, raw metal finish, and direct replacement configuration for Ecklers Legacy Number 64-39974 and Macs Legacy Number: C6SZ-9A427, it offers a practical solution for restoring original-style exhaust function on 1966-1967 390 V8 Ford Thunderbird models.

      Construction and Appearance. Finished in raw metal, this heat riser valve assembly provides an authentic unfinished look that suits classic restoration work and factory-style engine bay presentation. Its OE compatible and comparable design helps maintain a period-correct appearance while supporting dependable function as part of the exhaust system. The metal construction is intended to deliver the strength needed to handle repeated heat cycles and regular operating demands over time.

      Installation. As a direct replacement component, this assembly is designed to simplify service when replacing a worn, seized, or damaged original unit. The adaptable design supports a versatile installation process, and careful alignment during fitting can help promote proper operation within the surrounding exhaust components. Inspecting related mounting surfaces and confirming smooth valve movement before final tightening can also help support long-term performance and a cleaner finished result.

      Application. This Heat Riser Valve Assembly fits 1966-1967 390 V8 Ford Thunderbird models. It helps restore more consistent exhaust heat management, supports smoother warm-up characteristics, and contributes to a more complete factory-style repair or restoration outcome.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 1 Hour

      Difficulty Level:

      Light to Moderate mechanical skill required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Heat Riser Valve Assembly
      4.7

      Reviews of similar Classic Engine Products (2)

      Questions & Answers

      No questions about this product yet. Ask the First Question