40 Series Torque Converter Kit, Clutch Pulley Driver Driven Replacement

Key features

• Compatible with 8-16HP Engines: This go kart torque converter kit fits 8-16HP engines with 1-inch straight crankshaft and 1/4-inch keyway. Ideal for 420cc, GX 340/390, and similar motors. Enhances power delivery across diverse terrain
• Reliable Overload Protection: Built-in overload protection and cover cooling vents ensure safe operation. This 40 series torque converter handles demanding conditions with stability. Driver pulley (1-inch bore) and driven pulley (3/4-inch bore) for optimal transmission
• Asymmetric Pulley Design: The asymmetric driver and driven pulley design reduces engine load. This go kart clutch delivers greater torque at lower speeds—improves acceleration and overall vehicle responsiveness for a smoother ride
• Durable Iron & Aluminum Build: Driver and driven pulleys crafted from wear-resistant iron and aluminum for fast heat dissipation. High-elasticity belt ensures excellent extensibility. This go kart parts kit extends service life and handles tough conditions
• Complete Easy-Install Kit: Includes driver pulley, driven pulley, mounting plate, belt, and plastic cover. This go cart parts and accessories set installs quickly—just mount pulleys on plate and you're ready to ride. Chain not included

This 40 series torque converter kit fits 8-16HP engines with 1-inch crank. Includes driver (1" bore), driven (3/4" bore), belt, mounting plate, and cover. Overload protection and cooling vents. Ideal for go karts, ATVs, and mini bikes. Complete set for easy installation. ★Details Precision Machined Bores: 1" driver bore and 3/4" driven bore fit tightly with transmission shafts for improved power transfer efficiency. 10T #40/41 Chain Sprocket: Compatible with #40/41 chain (not included); 12T for #35 chain also available. Rounded Cover Edges: Smooth rounded edges on the plastic cover prevent accidental cuts during installation and maintenance. Standard Engagement Range: 2350±200rpm engagement speed delivers smooth takeoff and consistent power delivery. ★Specifications Material: Iron, Aluminum, Plastic Color: Black, Silver Installation Place: On the Engine Belt Type: 203785 Sprocket Teeth: 10T for #40/41 420 Chain, 12T for #35 Chain (Chain is not included) Engagement Range: 2350±200rpm Recommended Engine: 8-16HP Driver Pulley Shaft: 25mm/1" Driven Pulley Shaft: 19mm/ 3/4" Distance Between Crankshaft and Pulleys: 211mm/8.3in Transmission Drive Shaft Diameter: 2.54cm/1i

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