Driveline Components for LO206 Kart Racing


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This collection includes clutches, chains, sprockets, and hubs that transfer power from the crankshaft to the rear axle in 4-cycle kart setups. These parts are used in LO206 and clone class sprint kart racing to maintain efficient power delivery and reduce drivetrain losses.

You are probably also looking for some of these:

#35 Chains & Sprockets · Clutch Components · Nor-Am Kart Clutches · Max-Torque Clutches · Clutch Springs & Weights · Clutch Drums · #219 Sprockets · #219 Chains


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Complete Driveline Systems for 4-Cycle Karting

In low-horsepower racing like LO206 and Clone, driveline efficiency is free horsepower. A binding chain, a worn sprocket, or a dragging clutch can cost you tenths of a second per lap. We stock high-performance clutches, chains, gears, and hubs designed to transfer every bit of power from your crankshaft to the rear tires.

Racing Clutches

Hilliard, Stinger, & Noram. We carry the best centrifugal clutches for 4-cycle engines, plus tuning springs and weights to dial in your engagement.

Chains & Breakers

#35 & #219 Pitch. High-tensile racing chains (Gold/Space) that resist stretching. Don't forget a Chain Breaker tool!

Gears & Sprockets

Split Sprockets & Drivers. Quick-change aluminum split gears allow you to change ratios in seconds without removing the axle.

The Big Debate: #35 vs. #219 Pitch

Most LO206 and 4-cycle racers must choose a chain size. Your clutch driver must match your rear sprocket.

  • #35 Chain: The standard for US club racing. It is robust, affordable, and resists derailing on bumpy tracks. (Tooth counts are smaller, e.g., 15T Driver / 58T Rear).
  • #219 Chain: Common in 2-cycle and some LO206 classes. It is lighter, runs smoother, and offers finer gear ratio adjustments. (Tooth counts are higher, e.g., 19T Driver / 74T Rear).
⚠️ Maintenance Tip: Alignment is Key

Chain alignment must be perfect. If your rear sprocket isn't perfectly inline with the clutch driver, you will throw chains and overheat your clutch. Use a straight edge or laser alignment tool every time you move the engine.

Gear Ratio Tuning

Changing your rear sprocket size is the easiest way to tune for a specific track.
Larger Rear Sprocket: Better acceleration (Corner exit), lower top speed.
Smaller Rear Sprocket: Higher top speed (Long straights), slower acceleration.
We recommend carrying a range of split sprockets (e.g., 58-64 for #35 chain) to adapt to track conditions.