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AlveyTech 3/4″ x 10″ Jackshaft

AUD 37.67 on Amazon.com.au (as of October 23, 2026) View details ↗

The AlveyTech 3/4″ x 10″ Jackshaft is a robust steel shaft designed to transfer radial motion from a torque converter’s clutch to the drive wheel in go-karts and mini bikes. Engineered for durability, this shaft features a milled 3/16″ keyway slot that runs its entire length, ensuring secure attachment to compatible components. The ends remain unthreaded and unmachined, maintaining a standardised, universal fit for a range of applications where a 3/4″ shaft is required.

Constructed from solid steel, this jackshaft is built to withstand the demands of high-torque environments, making it a reliable choice for performance-oriented setups. Its straightforward design eliminates the need for additional machining, simplifying installation and reducing potential points of failure. With a lightweight yet sturdy construction at just 1.2 lbs, it balances strength with ease of handling, ideal for mechanics and enthusiasts who prioritise both performance and practicality.

Backed by AlveyTech’s reputation for automotive and off-road components, this jackshaft is a trusted addition to any go-kart or mini bike drivetrain. Its compatibility with universal applications means it can also serve as a versatile solution for other projects requiring a 3/4″ shaft. Whether upgrading an existing setup or assembling a new build, this shaft delivers the precision and reliability needed for optimal performance.

Diameter3/4″
Length10″
Keyway Slot3/16″
Weight1.2 lbs
MaterialSteel
CompatibilityGo-karts, mini bikes, universal 3/4″ applications
Is this jackshaft compatible with other applications beyond go-karts and mini bikes?
Yes, its standard 3/4″ design makes it suitable for any application requiring a universal shaft of this size, including custom builds or drivetrain upgrades.
Do the ends of this jackshaft need additional machining?
No, the ends are intentionally left unthreaded and unmachined to maintain a consistent, universal fit for direct attachment.
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