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Start ShoppingHot Cams 5PK948345 Shim Package Refills - High-Strength Steel Engine Shims for Precision Performance
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Description
Upgrade your engine's performance with Hot Cams' premium shim refills. These high-strength steel shims ensure precise alignment, reducing vibration and enhancing power delivery for riders who demand reliability and precision.
Key Features
- 25 Assorted Shims: Includes 25 shims in 0.02mm increments from 2.47mm to 2.91mm for versatile engine adjustments.
- High-Strength Steel: Durable, corrosion-resistant material built to withstand extreme engine conditions.
- Compact Design: Lightweight 0.2 lbs package with 4 x 3 x 0.5 inch dimensions for easy storage and handling.
Why Choose This Product
Engineers and mechanics rely on Hot Cams shims for their precision engineering and long-lasting performance. These refills are ideal for tuning high-performance engines, ensuring optimal compression ratios and smooth operation. The wide size range allows for fine-tuning of engine components, while the steel construction resists deformation under pressure. Whether you're working on motorcycles, ATVs, or other powersports equipment, these shims deliver consistent results and peace of mind.
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Upgrade your engine's performance with Hot Cams' premium shim refills. These high-strength steel shims ensure precise alignment, reducing vibration and enhancing power delivery for riders who demand reliability and precision.
Key Features
- 25 Assorted Shims: Includes 25 shims in 0.02mm increments from 2.47mm to 2.91mm for versatile engine adjustments.
- High-Strength Steel: Durable, corrosion-resistant material built to withstand extreme engine conditions.
- Compact Design: Lightweight 0.2 lbs package with 4 x 3 x 0.5 inch dimensions for easy storage and handling.
Why Choose This Product
Engineers and mechanics rely on Hot Cams shims for their precision engineering and long-lasting performance. These refills are ideal for tuning high-performance engines, ensuring optimal compression ratios and smooth operation. The wide size range allows for fine-tuning of engine components, while the steel construction resists deformation under pressure. Whether you're working on motorcycles, ATVs, or other powersports equipment, these shims deliver consistent results and peace of mind.
| SKU | GMDCC5BA62 |
|---|---|
| MPN | 5PK948345 |
| Brand | Hot Cams |
| Category | Engine |
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Featured Review
| Make | Model | Years |
|---|---|---|
| Honda | TRX450R | 2009-2019 |
| Honda | TRX450ER | 2008-2014 |
| Kawasaki | KX450F | 2014-2023 |
| Yamaha | YZ450F | 2006-2023 |
Frequently Asked Questions
25 shims ranging from 2.47mm to 2.91mm in 0.02mm increments (one each of most sizes, duplicates of common thicknesses).
Yes, recommended as initial shims may not match new cam lobe heights; this refill pack ensures proper fit.
Solid bucket tappet valvetrains only (common on 4-stroke MX bikes).
Sometimes, but measure precisely; new cams often require thicker/thinner shims.
Installation Guide
Difficulty
Medium
Est. Time
45 min
Tools Required
- feeler gauges
- micrometer
- shim thickness gauge
- valve cover gasket
- torque wrench
Pro Tips
- Measure all clearances before and after; label shims by size; use Hot Cams clearance specs (intake 0.10-0.15mm, exhaust 0.17-0.22mm)
Common Mistakes to Avoid
- Using incorrect shim size leading to improper valve clearance
- Not cleaning shim buckets before install
Comparison vs Stock/OEM
Aftermarket precision-ground shims matched to Hot Cams specs vs. OEM shims sized for stock cams
Improvements
- Broader size range for performance cam tuning
- Higher grade steel for durability under high-rpm valvetrain stress
Considerations
- Requires valve adjustment knowledge; not plug-and-play
Durability & Warranty
Expected Lifespan
Engine rebuild interval (100+ hours racing)
Warranty
1 year manufacturer defect warranty
Maintenance
Inspect during every valve adjustment (15-25 hours)
What Others Are Saying
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