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SKU:
NLT1C01384
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40 Series Torque Converter Kit 1in Driver 3/4in Driven for 8-16HP
$164.99
In Stock
$164.99
Sale price
$164.99
Regular price
This aftermarket 40-series torque-converter kit combines a 1-inch driver, 3/4-inch driven unit, belt, mounting plate, and sprockets for compatible 8-16HP custom builds.
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Product Overview
A centrifugal clutch can overheat or struggle when a heavy kart, mini buggy, or utility machine needs low-speed pulling power. A torque converter changes ratio automatically, giving the vehicle a lower launch ratio and a taller ratio as speed builds.
This is a universal fabrication kit, not a model-specific bolt-on assembly. The engine needs a compatible 1-inch crankshaft, and the jackshaft, chain line, plate clearance, rotation, sprocket pitch, and belt center distance must all be engineered correctly.
Key Features & Performance
- 40-series layout suited to compatible 8-16HP engines
- 1-inch bore driver and 3/4-inch bore driven pulley
- Includes 203785-style belt and mounting plate
- 10-tooth #40/41 and 12-tooth #35 sprocket options support common chain sizes
Common Uses
- Upgrading a heavy go-kart from a slipping centrifugal clutch
- Building a mini buggy or utility cart with variable ratio drive
- Replacing a worn driver, driven pulley, belt, and plate as a system
Technical Specifications
- Product Type: Torque converter clutch kit
- Series: 40 Series
- Driver Bore: 1 in
- Driven Bore: 3/4 in
- Engine Range: 8-16 HP compatible applications
- Belt Reference: 203785
- Fitment: Universal custom installation
Installation & Fitment
- Measure crankshaft diameter, keyway, and usable length
- Align driver and driven pulley faces precisely
- Guard the rotating belt and chain before operation
- Confirm rotation direction, chain pitch, sprocket alignment, and available frame clearance
Compatibility Notice
This is a universal or service-tool item, not a guaranteed bolt-on part for every vehicle or machine. Measure and compare all dimensions, connections, operating limits, and the intended system before purchase. Custom installation may be required.
Frequently Asked Questions
Q: Will this bolt onto any Predator 420 engine? A: Only if shaft size, keyway, mounting, rotation, and frame clearance match.
Q: What is the advantage over a centrifugal clutch? A: A torque converter changes ratio to improve low-speed pull and cruising efficiency.
Q: Is fabrication required? A: Usually yes. Universal kart and mini-bike builds need careful mounting and alignment.
Q: Is this an original-equipment part? A: No. This is a new aftermarket product. Brand names and part numbers are used only to identify compatible applications.
Part Summary
keywords: 40 series torque converter kit, 1 inch driver 3/4 driven clutch, 203785 belt converter, 8-16HP go kart CVT, Predator 420 torque converter
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, specifications, and application before purchase.