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Start ShoppingHot Cams 5PK948335 Shim Package Refills - High-Strength Steel Valve Shims for Engine Timing Adjustments
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Description
Precision engine tuning requires reliable valve shims to achieve optimal cam timing. Hot Cams 5PK948335 Shim Package Refills deliver consistent performance with high-strength steel construction, ensuring durability and accuracy for motorcycle and ATV engines.
Key Features
- High-Strength Steel Construction: Resists deformation under high engine pressures for long-lasting performance.
- 1.20mm to 3.20mm Thickness Range: Versatile sizing options for fine-tuning valve clearance across various engine applications.
- Assortment of Valve Shims: Complete set for cam timing adjustments without needing multiple single-piece shims.
- Engine Compatibility: Designed for use with OEM camshaft systems in performance and stock engines.
Why Choose This Product
These premium shims offer unmatched precision for riders seeking to optimize engine efficiency, power delivery, and fuel economy. The steel alloy resists corrosion and wear, while the thickness range accommodates both stock and modified engine setups. Whether you're tuning a high-performance motorcycle or maintaining an ATV, these refills provide the reliability needed for consistent timing accuracy. Hot Cams' reputation for quality ensures these shims meet the demanding standards of powersports enthusiasts.
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Precision engine tuning requires reliable valve shims to achieve optimal cam timing. Hot Cams 5PK948335 Shim Package Refills deliver consistent performance with high-strength steel construction, ensuring durability and accuracy for motorcycle and ATV engines.
Key Features
- High-Strength Steel Construction: Resists deformation under high engine pressures for long-lasting performance.
- 1.20mm to 3.20mm Thickness Range: Versatile sizing options for fine-tuning valve clearance across various engine applications.
- Assortment of Valve Shims: Complete set for cam timing adjustments without needing multiple single-piece shims.
- Engine Compatibility: Designed for use with OEM camshaft systems in performance and stock engines.
Why Choose This Product
These premium shims offer unmatched precision for riders seeking to optimize engine efficiency, power delivery, and fuel economy. The steel alloy resists corrosion and wear, while the thickness range accommodates both stock and modified engine setups. Whether you're tuning a high-performance motorcycle or maintaining an ATV, these refills provide the reliability needed for consistent timing accuracy. Hot Cams' reputation for quality ensures these shims meet the demanding standards of powersports enthusiasts.| SKU | GMA77756CC |
|---|---|
| MPN | 5PK948335 |
| Brand | Hot Cams |
| Category | Engine |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | CRF450R | 2009-2015 |
| Kawasaki | KX450F | 2010-2016 |
| Yamaha | YZF450 | 2008-2014 |
| Suzuki | RMZ450 | 2012-2018 |
Frequently Asked Questions
Contains 108 shims in thicknesses from 1.20mm to 3.20mm, 10 each of most common sizes for 4-stroke engines.
This is a refill package. Buy the full assortment first if starting fresh, then use refills to replace worn/measured sizes.
Universal for both; shims are the same, sized based on your specific valve clearance measurements.
Yes, fits any shim-under-bucket valvetrain, but primarily used with Hot Cams high-performance camshafts.
Installation Guide
Difficulty
Medium
Est. Time
2 hr 0 min
Tools Required
- feeler gauges
- micrometer
- valve shim tool
- torque wrench
- socket set
Pro Tips
- Measure all clearances before starting
- Organize shims by size immediately
- Use shim thickness calculator from Hot Cams website
Common Mistakes to Avoid
- Incorrect shim measurement leading to valve clearance errors
- Dropping small shims during removal
Comparison vs Stock/OEM
Aftermarket precision shims match OEM tolerances but provide larger assortment for performance cam timing
Improvements
- Enables exact clearance for high-lift cams
- More sizes available than OEM kits
Considerations
- Requires valvetrain knowledge; not plug-and-play
Durability & Warranty
Expected Lifespan
Matches engine rebuild intervals (100+ hours racing)
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect during every valve adjustment (every 10-30 hours racing)
What Others Are Saying
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