The Boss Hog 49454 Street Bandit Series Torque Converter is purpose-built for GM LS applications using the 4L60E, 4L65E, or 4L70E transmissions (1998 & newer with 300mm input shaft). Designed with lightweight efficiency and track-proven performance in mind, this lock-up converter offers a 3200–3500 RPM stall range — ideal for choppy camshafts and lightweight vehicles needing quicker launch response.
Built with precision and performance components, this converter reduces rotational mass by over 20 lbs in some cases, delivering significant performance gains. Leak-tested, digitally balanced, and made in the USA, it’s a dependable choice for serious street and strip applications.
Important: Ensure your gear ratio and tire height support a higher stall speed.
Upgrade Tip: Use the Outlaw Series if your setup includes nitrous, turbochargers, superchargers, or a trans brake.
Key Features:
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Stall Speed Range: 3200–3500 RPM
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Transmission Compatibility: GM 4L60E / 4L65E / 4L70E (1998+ with 300mm input shaft)
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Lock-Up Compatible: Yes
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Core Diameter: 9.6 inches
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Input Splines: 30
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Crank Pilot Diameter: 1.703 inches
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Bolt Circle Diameter: 11.125 inches
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Bolt Size: 3/8" x 16 TPI (Grade 8 only)
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Lightweight Design: Reduces rotational mass for improved performance
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Build Quality:
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Hardened chromoly impeller hub
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Encased Torrington-style bearings
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Extreme temp O-ring
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Extreme duty lock-up liner
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4-corner tack welded or furnace brazed fins
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Testing: Digitally balanced, leak and pressure tested
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Material: Steel
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Finish: Black painted
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Made in the USA
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Quantity: Sold individually
Vehicle Fitment:
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GM LS-based vehicles with 4L60E, 4L65E, or 4L70E transmissions
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Fits 1998 and newer with 300mm 2-step input shaft
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Recommended for lightweight builds and aggressive cam profiles
What's Included:
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(1) Boss Hog 49454 Street Bandit Lock-Up Torque Converter
Installation Tips:
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Use Type F transmission fluid for best performance
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Install an auxiliary transmission cooler
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Use blue Loctite on all mounting bolts