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12_19939701-0898-473f-89f7-9cc16c1f1d08 - Northline Parts

New For Go Kart 40 Series Torque Converter Kit 1" Driver + 3/4" Driven Clutch

Alligator_819_x_200_px - Northline Parts

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$165.99
Sale price  $165.99 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

New For Go Kart 40 Series Torque Converter Kit 1" Driver + 3/4" Driven Clutch

Upgrade your go-kart's performance with this high-quality 40 Series Torque Converter Kit. This premium aftermarket kit is designed to provide smooth acceleration and improved torque management for a more responsive ride. Whether you are building a new kart or replacing an old system, this aftermarket assembly offers a reliable and cost-effective solution to get you back on the track without the high cost of OEM parts.

Key Features & Benefits

  • Enhanced Torque Transfer: Optimized for better low-end power and smoother high-speed transitions.
  • Durable Construction: Built with high-strength materials to withstand the rigors of off-road use.
  • Complete Drive System: Includes both the 1-inch driver and 3/4-inch driven clutches for a full torque converter setup.
  • Direct Replacement: Designed as a high-performance aftermarket alternative to standard drive systems.

Compatible Models

  • Go-Karts and ATVs using 40 Series torque converter systems
  • Custom builds with 8HP to 18HP engines
  • Compatible with Comet 40/44 Series models
  • Suitable for Manco, Yerf-Dog, and Ken-Bar karts

Product Specifications

  • Series: 40 Series
  • Driver Clutch Bore: 1 inch
  • Driven Clutch Bore: 3/4 inch
  • Part Type: Aftermarket Torque Converter Kit
  • Material: Heavy-duty metal alloy

Frequently Asked Questions

Is this an OEM part?
No, this is a high-quality aftermarket replacement part designed to meet or exceed the performance of the original equipment.

How do I confirm compatibility?
To ensure a proper fit, measure your engine's crankshaft diameter (for the driver) and the jackshaft diameter (for the driven) to confirm they match the 1" and 3/4" specifications.


Important: This is an aftermarket replacement part sold by Northline Parts. It is not made by the original equipment manufacturer unless specifically stated. Brand names, model names, and part numbers are used only to identify compatibility. Please compare your original part, photos, and fitment details before ordering.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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