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    HBX-1 (Heat-Sink Bung Extender) Part # SNSR-01065

    HBX-1 (Heat-Sink Bung Extender) HBX-1 (Heat-Sink Bung Extender) HBX-1 (Heat-Sink Bung Extender)
    1 + $89.00
    Bmotorsports Part # SNSR-01065
    Availability In Stock
    Qty. Available 132
    Shipping Weight 0.3 Lbs.
    Shipping Location VA   (Shipping Info)
    Index Washer
    Ship Estimator Quantity:


    HBX-1 (Heat-Sink Bung Extender). Orient this bung extender such that the hole on the side is facing towards the exhaust port side exhaust stream!!

    See SNSR-01066 for additional indexing washers.

    Pushing the limits of horsepower often creates high exhaust gas temperatures (EGT). If you're running a rotary engine, methanol/alcohol or similar race fuels, or are simply installing a wideband sensor in a high EGT location then this Heat Sink Bung Extender can extend your wideband sensor life. The smaller orifice of this bung extender can also help installations that regularly see exhaust backfires, Anti-lag systems, launch systems, and multi-step launch/limiter systems.

    Works with Bosch LSU 4.0, 4.2, 4.9, & NTK Wideband Sensors. Help preserve your investment by pairing with this heat-sink bung extender to get accurate readings while minimizing sensor damage!

    Associated & Mating Parts

    Relationship Part # Description
    Associated Parts
    Indexing Washer SNSR-01066M18 x 1.5 Copper Indexing Washer for HBX-1


    • Fits most wideband and narrowband oxygen sensors
    • Extends life in many wideband applications, especially high EGT environments
    • Excellent for Turbo Methanol applications
    • Helps protect wideband sensors from high EGTs, Antilag systems, backfires, & launch/limiter systems.

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