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Power Cap and Rotor (85-91 Corvette C4)Find parts that fit my vehicle

Item EK-25-900748
Eckler's no longer carries the Power Cap and Rotor (85-91 Corvette C4). Please check out 1953-1962 C1 Corvette Electrical for an updated selection.
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    Product Information

    Features, Description, Q&A, Specs & Installation

    Features

    • Power Cap and Rotor
    • High-Dielectric Strength for Enhanced Spark Delivery
    • Improves Ignition Efficiency and Firing Accuracy
    • Designed to Withstand High RPM and High-Performance Demands
    • Compatible with OE Ignition Systems
    • Built from Premium-Grade Materials
    • Brass Terminals for Superior Conductivity and Durability
    • Red Cap Finish for High-Performance Look
    • Direct Replacement Performance Cap and Rotor
    • Straightforward Bolt-On Installation
    • Drilling and Modification Not Required
    • Fits 1985–1991 Chevrolet Corvette C4 Models

    Description

    High-Performance Ignition Upgrade. The Hypertech Power Cap and Rotor is a precision-engineered upgrade for the ignition system of your Chevrolet Corvette C4. Designed to improve spark delivery and firing accuracy, this part boosts performance and reliability for high-RPM driving. It replaces the factory unit and enhances overall ignition efficiency.

    Construction and Appearance. The Hypertech Power Cap and Rotor is made using high-dielectric strength materials to resist electrical breakdown. It features brass terminals that offer improved conductivity over stock aluminum types. The cap is finished in red, giving it a performance-oriented look while also offering better visibility during maintenance.

    Installation. Installation is straightforward and requires only basic hand tools. No drilling is needed as it mounts directly in place of the OEM unit.

    Application. This Hypertech Power Cap and Rotor fits 1985–1991 Chevrolet Corvette C4 models.

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

    Installation & What's in the Box

    Installation Info

    Installation Time

    (approx) 2 Hours

    Difficulty Level:

    Light to Moderate mechanical skill required.

    Installation Guides

      No guide available for this part yet.

    What's in the Box

    • Power Cap and Rotor

    Questions & Answers

    No questions about this product yet. Ask the First Question