ARC Racing GX200 Clone Crank Shim Kit - 25mm ID x 36mm OD - 4-Piece Set

$4.62 USD
$4.62 USD
ARC Racing GX200 Clone Crank Shim Kit - 25mm ID x 36mm OD - 4-Piece Set

ARC Racing GX200 Clone Crank Shim Kit - 25mm ID x 36mm OD - 4-Piece Set

$4.62 USD
$4.62 USD

Every competitive racing go kart demands absolute precision in the bottom end, and the ARC6057-S Crank Shim Kit is engineered to eliminate destructive crankshaft end play in GX200 Clone stroker builds. When you are pushing high RPMs on the track, excessive lateral movement in the crank can lead to catastrophic bearing failure, parasitic power loss, and inconsistent ignition timing. By utilizing this 4-piece shim set (25mm ID x 36mm OD), engine builders can dial in the exact clearances required to keep the rotating assembly perfectly centered, reducing friction and maximizing power transfer to the rear wheels.

Essential Tuning for Your Go Karts Frame For Sale

Whether you are prepping a fresh chassis or upgrading an older go karts frame for sale, blueprinting your engine is just as critical as mounting a top tire or dialing in your alignment. The ARC Racing shim kit provides multiple thicknesses, allowing you to stack and customize the fitment for various stroker crank configurations. This level of micro-adjustment ensures that the connecting rod stays perfectly aligned with the cylinder bore, mitigating piston side-loading and extending the life of your internal components.

Outperform Standard Brake Replacements and Bolt-Ons

While many racers focus on external upgrades like aerodynamic fairings or premium brake replacements, true track dominance starts inside the crankcase. Proper shimming reduces heat buildup and prevents the crank gear from walking, which is vital for maintaining consistent valve timing.

  • Precision Tolerances: Engineered to exact 25mm ID x 36mm OD dimensions for a flawless fit on GX200 clone crankshafts.
  • Variable Thicknesses: Includes a 4-piece assortment of 1mm and 2mm shims to achieve the perfect end play clearance.
  • Friction Reduction: Prevents lateral crank walking, significantly reducing parasitic drag and internal heat generation.
  • High-RPM Durability: Manufactured from hardened steel to withstand the extreme torsional stress of modified racing engines.
  • Stroker Compatibility: Specifically tailored for aftermarket stroker cranks requiring custom block clearance adjustments.
  • Optimized Alignment: Keeps the connecting rod centered on the wrist pin, reducing piston skirt wear and cylinder scoring.
  • Easy Integration: Drops directly onto the PTO side of the crankshaft during standard bottom-end assembly.

When you are chasing every fraction of a horsepower, details matter. Don't let sloppy factory tolerances rob you of your podium finish. Secure your rotating assembly with the ARC6057-S and experience the throttle response that professional engine builders rely on.

Frequently Asked Questions

Q: Why is it necessary to shim the crankshaft in a GX200 Clone engine?

A: Excessive crankshaft end play can cause lateral movement, leading to inconsistent ignition timing, parasitic power loss, and potential bearing failure. Shimming ensures the rotating assembly remains centered for maximum efficiency.

Q: How do I determine how many shims to use?

A: You should measure your total crankshaft end play using a dial indicator. Use the 1mm and 2mm shims in the kit to stack the necessary thickness to bring your end play within the manufacturer's recommended clearance specifications.

Q: Are these shims compatible with stock GX200 crankshafts?

A: Yes, these are engineered with a 25mm ID and 36mm OD to fit standard GX200 clone crankshafts, though they are particularly essential for high-RPM stroker builds where tolerances are tighter.

Q: Where exactly do these shims install?

A: The shims are designed to drop directly onto the PTO (Power Take-Off) side of the crankshaft during your bottom-end assembly process.

Q: Can I stack multiple shims together?

A: Yes, the 4-piece set is designed to be used in various combinations of 1mm and 2mm thicknesses to achieve the precise clearance required for your specific engine build.

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