Hot Cams 5PK948190 Valve Shim Refill Pack - Precision Engine Performance Upgrade

Description

Ensure peak engine performance with Hot Cams' premium valve shim refill packs. These precision-engineered shims maintain perfect valve clearance, enhancing power delivery and fuel efficiency for your powersports engine.

Key Features

  • Hardened Precision Steel: Durable, wear-resistant material for long-lasting performance in high-stress engine environments
  • 0.05mm Height Increments: Fine-tune valve clearance with precise step adjustments for optimal engine operation
  • Multiple Diameter Options: Compatible with 7.48mm, 9.48mm, and 10.0mm valve applications (exact size confirmed for 5PK948190)
  • Refill Pack Design: Convenient, cost-effective replacement solution for Hot Cams valve shim kits

Why Choose This Product

Upgrade your engine's performance with Hot Cams' trusted shim refills. These shims deliver consistent valve clearance maintenance, reducing engine wear and improving overall efficiency. The precise 0.05mm height steps allow for accurate adjustments, while the hardened steel construction ensures durability under extreme conditions. Perfect for riders who demand reliable, high-performance engine maintenance solutions.
SKU: GME33952FB
MPN: 5PK948190
Category: Engine
Brand: Hot Cams
Stock: In Stock
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Ensure peak engine performance with Hot Cams' premium valve shim refill packs. These precision-engineered shims maintain perfect valve clearance, enhancing power delivery and fuel efficiency for your powersports engine.

Key Features

  • Hardened Precision Steel: Durable, wear-resistant material for long-lasting performance in high-stress engine environments
  • 0.05mm Height Increments: Fine-tune valve clearance with precise step adjustments for optimal engine operation
  • Multiple Diameter Options: Compatible with 7.48mm, 9.48mm, and 10.0mm valve applications (exact size confirmed for 5PK948190)
  • Refill Pack Design: Convenient, cost-effective replacement solution for Hot Cams valve shim kits

Why Choose This Product

Upgrade your engine's performance with Hot Cams' trusted shim refills. These shims deliver consistent valve clearance maintenance, reducing engine wear and improving overall efficiency. The precise 0.05mm height steps allow for accurate adjustments, while the hardened steel construction ensures durability under extreme conditions. Perfect for riders who demand reliable, high-performance engine maintenance solutions.
SKU GME33952FB
MPN 5PK948190
Brand Hot Cams
Category Engine
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Installation Guide

Difficulty Medium
Est. Time 1 hr 0 min

Tools Required

  • Service manual for the specific engine
  • Feeler gauges (metric)
  • Micrometer or digital caliper (to verify shim thickness)
  • Torque wrench
  • Basic hand tools (sockets, ratchet, extensions, screwdrivers)
  • Magnetic pickup tool or shim tool (for bucket-type tappets)
  • Clean shop towels

Pro Tips

  • Work on a cold engine and follow the OEM service manual procedure exactly.
  • Lay out a diagram of the cylinder head and label each valve; record old and new shim sizes for every position.
  • Use a micrometer to verify shim thickness even if the size is laser-etched.
  • Keep the work area very clean to avoid debris entering the engine.
  • Lightly oil shims before installation to prevent corrosion and ease installation.

Common Mistakes to Avoid

  • Not recording original shim sizes and positions before removal
  • Mixing up intake and exhaust shims
  • Failing to recheck valve clearances after installing new shims
  • Measuring valve clearance on a warm engine instead of cold (when the manual specifies cold)
  • Not rotating the engine through two full revolutions and rechecking clearances
  • Using shims with unverified thickness if markings are worn off

Comparison vs Stock/OEM

Functionally equivalent to OEM valve shims when the correct diameter and thickness are used. Hot Cams shims are hardened and precision ground like OEM.

Improvements

  • Cost-effective alternative to OEM individual shims
  • Convenient assortment and refill packaging for frequently used sizes
  • Standard 0.05 mm increment sizing simplifies valve clearance setup

Considerations

  • Must match OEM shim diameter exactly (e.g., 7.48 mm, 9.48 mm, 10 mm, etc.)
  • Always verify thickness with a micrometer when precision is critical
  • Use only within the valve clearance and shim range allowed by the OEM manual

Durability & Warranty

Expected Lifespan Typically lasts the service life of the valve train when installed correctly and used with proper lubrication.
Warranty Standard manufacturer defect warranty only (no wear warranty typically offered on shims).
Maintenance No direct maintenance of the shim; follow OEM valve inspection intervals and re-shim only as needed based on clearance checks.

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