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Start ShoppingHot Cams 5PK948175 Shim Package Refills - High-Strength Steel Engine Shims for Precision Tuning
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Description
Precision engine tuning requires reliable, high-performance components. Hot Cams 5PK948175 Shim Package Refills deliver unmatched accuracy with 25 premium steel shims designed to optimize engine efficiency and power delivery.
Key Features
- High-Strength Steel Construction: Durable, corrosion-resistant material ensures long-lasting performance under extreme engine conditions.
- 0.05mm Thickness Increments: 2.50mm to 2.70mm range provides precise adjustment capabilities for fine-tuning engine performance.
- 25 Shim Variety: Five sizes (2.50mm, 2.55mm, 2.60mm, 2.65mm, 2.70mm) offer versatile solutions for various engine applications.
- Lightweight Design: Only 0.2 lbs total weight reduces strain while maintaining structural integrity.
Why Choose This Product
Engineers and riders rely on Hot Cams shims for their ability to enhance airflow, improve throttle response, and maintain optimal engine compression. These refills provide the exact precision needed for high-performance tuning without compromising durability. The standardized thickness increments ensure compatibility with a wide range of engine setups, making them an essential tool for both professional mechanics and serious riders seeking maximum power and efficiency.
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Precision engine tuning requires reliable, high-performance components. Hot Cams 5PK948175 Shim Package Refills deliver unmatched accuracy with 25 premium steel shims designed to optimize engine efficiency and power delivery.
Key Features
- High-Strength Steel Construction: Durable, corrosion-resistant material ensures long-lasting performance under extreme engine conditions.
- 0.05mm Thickness Increments: 2.50mm to 2.70mm range provides precise adjustment capabilities for fine-tuning engine performance.
- 25 Shim Variety: Five sizes (2.50mm, 2.55mm, 2.60mm, 2.65mm, 2.70mm) offer versatile solutions for various engine applications.
- Lightweight Design: Only 0.2 lbs total weight reduces strain while maintaining structural integrity.
Why Choose This Product
Engineers and riders rely on Hot Cams shims for their ability to enhance airflow, improve throttle response, and maintain optimal engine compression. These refills provide the exact precision needed for high-performance tuning without compromising durability. The standardized thickness increments ensure compatibility with a wide range of engine setups, making them an essential tool for both professional mechanics and serious riders seeking maximum power and efficiency.| SKU | GMDD86E05A |
|---|---|
| MPN | 5PK948175 |
| Brand | Hot Cams |
| Category | Engine |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | TRX450R | 2009-2015 |
| Kawasaki | KFX450 | 2008-2014 |
| Yamaha | Raptor 660 | 2004-2009 |
Frequently Asked Questions
Contains 5 each of 2.50mm, 2.55mm, 2.60mm, 2.65mm, and 2.70mm shims (25 total).
Yes, recommended as refills since cam installs often require different shim thicknesses than stock.
Check the fitment list above. Primarily for sport ATVs with Hot Cams camshaft kits from 2004-2015.
Use formula: New shim = Measured clearance + Stock shim thickness - Desired clearance (typically 0.10-0.15mm intake/exhaust).
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- micrometer or feeler gauge
- magnetized shim pick
- valve cover gasket (recommended)
Pro Tips
- Measure all clearances first and calculate exact shim sizes needed
- Organize shims by size before starting
- Replace valve cover gasket during install
Common Mistakes to Avoid
- Using incorrect shim size without measuring clearance
- Dropping shims into engine (use magnetic tool)
- Not cleaning shim buckets thoroughly
Comparison vs Stock/OEM
Aftermarket precision shims designed for performance cams vs. OEM shims optimized for stock cams
Improvements
- Tighter tolerance manufacturing (+/- 0.01mm)
- Better material resists wear during high-performance valve adjustments
- Common sizes cover most cam upgrade scenarios
Considerations
- Requires precise measurement - not direct OEM replacement
Durability & Warranty
Expected Lifespan
Matches engine rebuild intervals (indefinite with proper install)
Warranty
1 year manufacturer defect warranty
Maintenance
Re-check valve clearances every 100 hours or annually
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