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  • Product Info

    STM Rage 3WCP Primary Clutch

    The STM Rage 3WCP is a completely redesigned primary clutch built for durability and performance. It features a new, wider, and more durable spider with composite roller bushings for an extended lifespan.

    Key Features:

    • Durable Design: The new captured pin and set screw design provides maximum durability, while composite cam arm bushings withstand harsh conditions.
    • Cooler Operation: A new finned fixed sheave increases airflow to keep the clutch running cooler.
    • Versatile Cam Arms: The Rage 3WCP offers two styles of adjustable cam arms to dial in performance:
      • AFP Series: Ideal for naturally aspirated and lower-power turbo applications.
      • HB Series: The "humpback" design provides excellent belt grip at low speeds and strong mid-to-top end performance.
    • Wide Compatibility:
      • Works with stock or aftermarket tunes on stock turbo setups.
      • Compatible with the OEM secondary or a billet STM Tuner secondary clutch.
      • Fits under the stock clutch housing without modification.
      • Works best with OEM belts, but can be calibrated for aftermarket replacement belts.

    The clutch comes with a new retaining bolt, bolt insert, lock washer, and a fastener kit for adjusting the cam arms. It is shipped fully assembled with a baseline weight setup based on your machine's specifications.

    Please Note: It is the customer's responsibility to properly calibrate the clutch for their machine using the provided instructions. For higher-power setups (350+ HP) or larger turbos, we recommend the Rage 4WCP primary clutch.

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  • Brand:

    STM