Hot Cams HCSHIM02 9.48mm Complete Valve Shim Kit Suzuki DR-Z400 Honda CRF450

Precision Valve Clearance for Peak Engine Performance

Maintaining proper valve clearance is critical for easy starting, maximum power delivery, and engine longevity. The Hot Cams HCSHIM02 Complete Valve Shim Kit, available at Moto-House MX, is the industry standard for professional mechanics and DIY riders alike. This heavy-duty kit eliminates the frustration of mid-rebuild trips to the dealership by providing a comprehensive range of shims to precisely tune your 4-stroke top end for optimal performance.

Every shim in the HCSHIM02 kit is forged from premium 4140 cold-rolled steel and subjected to a specialized heat-treatment process to ensure unmatched strength and resistance to wear. Measuring 9.48mm in diameter, these shims cover a thickness range from 1.20mm to 3.50mm in 0.05mm increments. For maximum convenience during high-stakes maintenance, each individual shim is laser-etched with its size, ensuring accuracy and saving you time in the garage.

Top Features: Hot Cams HCSHIM02 Valve Shim Kit

• Forged 4140 Steel: Constructed from high-carbon cold-rolled steel for superior durability and minimal compression over time.
• Heat-Treated Longevity: Specialized tempering process improves strength, preventing "dishing" or premature wear on the valve stem.
• Laser-Etched Sizing: Each shim features permanent laser-etched markings for easy identification and precise adjustments.
• Universal 9.48mm Diameter: Compatible with a massive range of modern 4-stroke motocross, ATV, and adventure machines.
• Comprehensive Range: Includes 3 shims in each size from 1.20mm to 3.50mm in 0.05mm increments (total of 141 shims).

Expert Pro-Tip

Always rotate your engine by hand several times after installing new shims and re-measure the clearance before starting the bike to ensure your timing and gaps are 100% accurate.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Size
2000-2025	Suzuki	DR-Z400 / RM-Z450 / LT-Z400
2002-2025	Honda	CRF450R / CRF450X / Pioneer 1000 / Talon
2003-2025	Yamaha	YZ450F / WR450F / YZ250F / YFZ450R
2003-2017	Kawasaki	KX450F / KLX450R / KFX450R

Frequently Asked Questions

Q: How many shims are included in this kit?
A: The HCSHIM02 kit includes a total of 141 shims, providing three shims for every size in the 1.20mm to 3.50mm range.

Q: Will these shims work in my 250cc bike?
A: Most modern 250cc 4-strokes use 7.48mm shims. Please verify your manual requires 9.48mm shims before purchasing. (Note: Modern Yamaha YZ250F/FX models do use 9.48mm shims).

Q: Do these shims wear out?
A: Because they are forged and heat-treated, they are extremely durable. However, they should be inspected for wear or pitting whenever you perform a valve adjustment.

Recommended Pairings: Feeler Gauge Sets & Replacement Valve Cover Gaskets.

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