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Start ShoppingHot Cams 5PK948215 Shim Package Refills - Engine Performance Enhancer for Powersports Vehicles
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Description
Precision-engineered shim refills from Hot Cams deliver unmatched performance and reliability for powersports engines. These essential components optimize valve clearance, reduce wear, and maximize horsepower output while maintaining critical engine tolerances.
Key Features
- Exact Fitment: Precision-machined to match OEM specifications for seamless installation and optimal performance.
- High-Durability Materials: Made from premium alloys to withstand extreme heat, vibration, and mechanical stress.
- Easy Installation: Pre-gapped design saves time and ensures consistent clearance without specialized tools.
- Performance Optimization: Enhances engine efficiency, responsiveness, and longevity while maintaining factory tolerances.
Why Choose This Product
Hot Cams shims are trusted by racers and mechanics for their ability to deliver precise valve clearance adjustments. These refills provide a cost-effective way to maintain peak engine performance, reduce friction losses, and extend component life. Whether you're modifying your powersports vehicle or maintaining factory specifications, these shims offer reliable, repeatable results that keep your engine running at its best.
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Precision-engineered shim refills from Hot Cams deliver unmatched performance and reliability for powersports engines. These essential components optimize valve clearance, reduce wear, and maximize horsepower output while maintaining critical engine tolerances.
Key Features
- Exact Fitment: Precision-machined to match OEM specifications for seamless installation and optimal performance.
- High-Durability Materials: Made from premium alloys to withstand extreme heat, vibration, and mechanical stress.
- Easy Installation: Pre-gapped design saves time and ensures consistent clearance without specialized tools.
- Performance Optimization: Enhances engine efficiency, responsiveness, and longevity while maintaining factory tolerances.
Why Choose This Product
Hot Cams shims are trusted by racers and mechanics for their ability to deliver precise valve clearance adjustments. These refills provide a cost-effective way to maintain peak engine performance, reduce friction losses, and extend component life. Whether you're modifying your powersports vehicle or maintaining factory specifications, these shims offer reliable, repeatable results that keep your engine running at its best.
| SKU | GM15F45D3B |
|---|---|
| MPN | 5PK948215 |
| Brand | Hot Cams |
| Category | Engine |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | CRF450R | 2009-2015 |
| Honda | CRF450RX | 2010-2015 |
| Kawasaki | KX450F | 2008-2014 |
| Yamaha | YZ450F | 2006-2013 |
| KTM | 450 SX-F | 2009-2018 |
Frequently Asked Questions
20mm outer diameter shims with thicknesses from 0.10mm to 2.35mm (5 each of 8 sizes).
These are refill packs. Buy the full Hot Cams shim tray kit first (HC-TK20), then get refills as needed.
Yes, any 20mm shim-under-bucket valvetrain including OEM and aftermarket cams.
40 shims total - 5 each of 0.10, 0.15, 0.20, 0.25, 0.30, 0.35, 2.30, 2.35mm thicknesses.
Universal - used for both intake and exhaust valve lash adjustments.
Installation Guide
Difficulty
Medium
Est. Time
15 min
Tools Required
- feeler gauges
- micrometer
- shim thickness gauge
- small screwdriver
Pro Tips
- Measure all shims with micrometer before use
- Organize shims by thickness immediately
- Use shim tray for storage during install
Common Mistakes to Avoid
- Using incorrect shim diameter
- Not cleaning shims before installation
- Incorrect valve lash measurement
Comparison vs Stock/OEM
Aftermarket precision shims vs OEM - same function but complete range of thicknesses included
Improvements
- Full range of thicknesses in one pack
- Higher volume for multiple adjustments
- More cost-effective than buying individual OEM shims
Considerations
- Must measure precisely - no room for error with performance cams
Durability & Warranty
Expected Lifespan
Lifetime (shims don't wear out)
Warranty
1 year manufacturer defect warranty
Maintenance
Store cleanly, inspect for bends/cracks during valve service
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