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Start ShoppingHot Cams 5PK890192 Shim Package Refills - High-Performance Engine Adjustment Kit
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Description
Elevate your engine's performance with Hot Cams' 5PK890192 Shim Package Refills, engineered for precision tuning and long-lasting reliability. These high-quality shims deliver optimal clearance adjustments, ensuring peak power output and smooth operation for powersports engines.
Key Features
- High-Strength Alloy Construction: Durable, corrosion-resistant material withstands extreme engine conditions.
- Exact Fitment Compatibility: Precision-engineered for Hot Cams engine components to ensure perfect alignment.
- Performance Optimization: Fine-tune valve clearances for improved efficiency and horsepower gains.
- Easy Installation: Pre-gauged shims simplify maintenance and reduce downtime.
Why Choose This Product
Upgrade your engine's performance with shims designed for maximum durability and precision. Whether you're tuning a motorcycle, ATV, or UTV, these refills provide reliable clearance adjustments that enhance power delivery while minimizing wear. Hot Cams' reputation for quality ensures these shims meet the rigorous demands of powersports applications, delivering consistent performance and extended engine life.
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Elevate your engine's performance with Hot Cams' 5PK890192 Shim Package Refills, engineered for precision tuning and long-lasting reliability. These high-quality shims deliver optimal clearance adjustments, ensuring peak power output and smooth operation for powersports engines.
Key Features
- High-Strength Alloy Construction: Durable, corrosion-resistant material withstands extreme engine conditions.
- Exact Fitment Compatibility: Precision-engineered for Hot Cams engine components to ensure perfect alignment.
- Performance Optimization: Fine-tune valve clearances for improved efficiency and horsepower gains.
- Easy Installation: Pre-gauged shims simplify maintenance and reduce downtime.
Why Choose This Product
Upgrade your engine's performance with shims designed for maximum durability and precision. Whether you're tuning a motorcycle, ATV, or UTV, these refills provide reliable clearance adjustments that enhance power delivery while minimizing wear. Hot Cams' reputation for quality ensures these shims meet the rigorous demands of powersports applications, delivering consistent performance and extended engine life.
| SKU | GMB6A81352 |
|---|---|
| MPN | 5PK890192 |
| Brand | Hot Cams |
| Category | Engine |
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Frequently Asked Questions
This is an 8.90 mm diameter valve shim refill pack in a single thickness (1.92 mm), designed as a top-off for the corresponding Hot Cams 8.90 mm shim kit.
It is intended as a refill for an existing Hot Cams shim kit. For a full valve adjustment you usually need a full assortment of sizes, not just this one thickness.
The 5PK890192 package contains 5 pieces of the same shim size (8.90 mm diameter, 1.92 mm thickness).
Yes, as long as your engine uses 8.90 mm diameter shims. Always confirm shim diameter in your service manual before ordering.
They are aftermarket equivalents to OEM valve shims of the same diameter and thickness, offering an economical alternative to buying OEM shims one-by-one.
Installation Guide
Difficulty
Medium
Est. Time
1 hr 0 min
Tools Required
- Service manual for specific vehicle
- Metric socket set
- Torque wrench
- Feeler gauges
- Magnet pick-up tool or shim tool
- Micrometer or digital caliper (to verify shim thickness)
- Screwdrivers
- Pliers
- Clean shop rags
Pro Tips
- Work on a cold engine and measure all clearances before removing any shims.
- Lay out a diagram of the head and label each valve with its original shim size and new size.
- Use a micrometer to verify shim thickness even if it’s marked.
- Turn the engine over by hand at least two full revolutions and re-check clearances before final button-up.
- Do one valve at a time to reduce the chance of mixing up shims.
Common Mistakes to Avoid
- Not recording original shim sizes and locations before removal
- Mixing up cam caps or not following proper torque sequence
- Rotating engine with cams or caps improperly installed
- Failing to re-check valve clearances after installing new shims
- Dropping shims into the engine and not accounting for them
Comparison vs Stock/OEM
Functionally equivalent to OEM valve shims of the same diameter and thickness, but sold in a multi-pack refill format instead of single OEM pieces.
Improvements
- Lower cost per shim compared to most OEM single shims
- Convenient multi-pack of a commonly used size for frequent adjusters or shops
- Compatible with Hot Cams shim kits for organized storage
Considerations
- Only one thickness per pack; not a full assortment like OEM catalog options
- Must match OEM shim diameter (8.90 mm) to avoid fitment issues
Durability & Warranty
Expected Lifespan
Designed to last for typical valve shim service intervals; usually only changed when adjusting clearances, not due to wear on the shim itself.
Warranty
Covered under Hot Cams’ standard limited warranty against manufacturing defects (specific terms vary by retailer and region).
Maintenance
No direct maintenance on the shims; follow manufacturer-recommended valve clearance inspection intervals and re-measure clearances periodically.
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