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Start ShoppingHot Cams 5PK748280 Shim Package Refills - 20 High-Quality Steel Shims for 4-Stroke Camshafts
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Description
Precision-engineered shim refills for professional engine tuning. Hot Cams' 5PK748280 package delivers durable, accurate solutions for optimizing 4-stroke camshaft performance with unmatched reliability.
Key Features
- High-Quality Steel Construction: Durable, corrosion-resistant material for long-lasting performance in demanding engine environments
- Assorted Thickness Range: 1.20mm to 2.40mm increments (0.05mm steps) for precise gap adjustment flexibility
- Standard Diameter: 26.5mm fitment compatible with most 4-stroke camshaft applications
- 20-Piece Package: Comprehensive refill set for extended use between maintenance cycles
Why Choose This Product
These premium shims offer exceptional dimensional stability and flatness for accurate valve timing adjustments. The wide thickness range provides versatility for various engine modifications, while the standardized diameter ensures compatibility with major 4-stroke powerplant systems. Mechanics and performance enthusiasts benefit from reliable, consistent results with every installation, making this refill package an essential tool for engine optimization.
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Precision-engineered shim refills for professional engine tuning. Hot Cams' 5PK748280 package delivers durable, accurate solutions for optimizing 4-stroke camshaft performance with unmatched reliability.
Key Features
- High-Quality Steel Construction: Durable, corrosion-resistant material for long-lasting performance in demanding engine environments
- Assorted Thickness Range: 1.20mm to 2.40mm increments (0.05mm steps) for precise gap adjustment flexibility
- Standard Diameter: 26.5mm fitment compatible with most 4-stroke camshaft applications
- 20-Piece Package: Comprehensive refill set for extended use between maintenance cycles
Why Choose This Product
These premium shims offer exceptional dimensional stability and flatness for accurate valve timing adjustments. The wide thickness range provides versatility for various engine modifications, while the standardized diameter ensures compatibility with major 4-stroke powerplant systems. Mechanics and performance enthusiasts benefit from reliable, consistent results with every installation, making this refill package an essential tool for engine optimization.| SKU | GM4F4627E7 |
|---|---|
| MPN | 5PK748280 |
| Brand | Hot Cams |
| Category | Engine |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Multiple | Various 4-stroke motorcycles/ATVs (e.g., Honda CRF450R 2009-2024, Yamaha YZ450F 2003-2025, Kawasaki KX450F 2006-2025) | 2000-2025 |
Frequently Asked Questions
Assortment of 20 shims from 1.20mm to 2.40mm in 0.05mm increments (one each).
Universal for both; used wherever valve lash adjustment is needed with Hot Cams.
This is a refill pack; buy if you already have Hot Cams and need replacement shims.
Designed for Hot Cams applications; check your camshaft bucket/shim diameter (typically 26.5mm).
Installation Guide
Difficulty
Medium
Est. Time
15 min
Tools Required
- Feeler gauges
- Micrometer or dial indicator
- Small flathead screwdriver
Pro Tips
- Measure valve clearances precisely before selecting shims
- Organize shims by thickness immediately upon opening
Common Mistakes to Avoid
- Using incorrect shim thickness leading to improper valve clearance
- Not cleaning shim buckets before installation
Comparison vs Stock/OEM
Aftermarket performance cam shims identical in function to OEM but optimized for Hot Cams higher lift/duration profiles
Improvements
- Maintains precise valve clearances under high-rpm performance use
- Consistent quality for multiple adjustments
Considerations
- Requires lash recheck after cam break-in
Durability & Warranty
Expected Lifespan
Lasts multiple engine rebuilds if not damaged during install
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect for wear/scratches during valve adjustments; clean before reuse
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