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Start ShoppingHot Cams 5PK748175 Shim Package Refills - High-Quality Steel Engine Shims for Precision Performance
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Description
Upgrade your engine's performance with Hot Cams' premium steel shim package refills. These precision-engineered shims deliver consistent compression ratios and enhanced power output for motorcycles, ATVs, and off-road vehicles. Perfect for tuners and mechanics seeking reliable, high-performance engine solutions.
Key Features
- High-Quality Steel Construction: Durable, corrosion-resistant material for long-lasting engine performance.
- Assortment of Thicknesses: 1.20mm to 2.50mm increments (0.05mm steps) for precise compression ratio adjustments.
- 79 Shim Total: Comprehensive selection for multiple engine tuning applications.
- Lightweight Design: 0.5 lbs for easy handling and storage.
Why Choose This Product
Hot Cams shims offer unmatched precision for engine performance optimization. The wide thickness range allows for fine-tuning of compression ratios, improving power delivery and fuel efficiency. Made from high-grade steel, these shims withstand extreme temperatures and mechanical stress, ensuring reliable performance in demanding off-road and motorsport environments. The bulk quantity makes them ideal for professional tuners and enthusiasts needing consistent, high-quality components for repeated installations.
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Upgrade your engine's performance with Hot Cams' premium steel shim package refills. These precision-engineered shims deliver consistent compression ratios and enhanced power output for motorcycles, ATVs, and off-road vehicles. Perfect for tuners and mechanics seeking reliable, high-performance engine solutions.
Key Features
- High-Quality Steel Construction: Durable, corrosion-resistant material for long-lasting engine performance.
- Assortment of Thicknesses: 1.20mm to 2.50mm increments (0.05mm steps) for precise compression ratio adjustments.
- 79 Shim Total: Comprehensive selection for multiple engine tuning applications.
- Lightweight Design: 0.5 lbs for easy handling and storage.
Why Choose This Product
Hot Cams shims offer unmatched precision for engine performance optimization. The wide thickness range allows for fine-tuning of compression ratios, improving power delivery and fuel efficiency. Made from high-grade steel, these shims withstand extreme temperatures and mechanical stress, ensuring reliable performance in demanding off-road and motorsport environments. The bulk quantity makes them ideal for professional tuners and enthusiasts needing consistent, high-quality components for repeated installations.
| SKU | GM1C3039B0 |
|---|---|
| MPN | 5PK748175 |
| Brand | Hot Cams |
| Category | Engine |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | CRF450R | 2009-2024 |
| Honda | CRF450RX | 2010-2024 |
| Honda | CRF450R Expert | 2008-2024 |
| KTM | 450 SX-F | 2019-2024 |
| KTM | 450 SX-F | 2019-2024 |
Frequently Asked Questions
Designed specifically for Hot Cams camshafts in Honda CRF450R/RX (2009+) and KTM 450 SX-F (2019+) models.
79 shims total, covering thicknesses from 1.20mm to 2.50mm in 0.05mm increments.
This is a refill package with full assortment. Buy individual shims from Hot Cams if you only need specific thicknesses.
Universal - works for both intake and exhaust valve shims on compatible Hot Cams applications.
No, these are sized specifically for Hot Cams valve profiles. Stock cams require OEM shims.
Installation Guide
Difficulty
Medium
Est. Time
15 min
Tools Required
- micrometer or feeler gauge
- shim thickness gauge
- small magnet
Pro Tips
- Organize shims by thickness before starting
- Use a magnetic tray to keep shims from falling into engine
- Measure each valve clearance twice before selecting shim
Common Mistakes to Avoid
- Using wrong thickness shim
- Not cleaning shims before measuring
- Losing small shims during install
Comparison vs Stock/OEM
Precision machined for Hot Cams valve profiles (stock shims won't provide proper clearance)
Improvements
- Exact fit for performance cam timing
- Consistent thickness tolerances
- High-quality steel construction
Considerations
- Only compatible with Hot Cams - not interchangeable with OEM shims
Durability & Warranty
Expected Lifespan
Same lifespan as OEM shims - lasts entire engine life with proper maintenance
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect during every valve adjustment (typically 30-50 hours racing)
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