Ensure maximum power transfer with this Universal Parts #219H Heavy-Duty Metric Roller Chain. The "H" designation signifies thicker side plates and heavy-duty pins engineered to withstand higher tensile loads than standard #219 chains — making it the go-to choice for high-performance karting, pocket bikes, and custom scooter drivetrains. This 5-foot section can be cut to length or combined using standard chain tools.
Features
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Heavy-Duty (H) Rating: Reinforced side plates provide superior resistance to fatigue and stretching under high-RPM racing loads
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Precision Metric Pitch: Designed for #219 sprockets used in high-RPM racing and performance engines
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Heat-Treated Alloy Steel: Minimal stretch and long service life under extreme conditions
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Customizable Length: 5-foot section — cut to size or join sections with a chain rivet tool
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No Master Link: Designed to be riveted for maximum safety and reliability in racing applications
Specifications
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Chain Type: #219H (Metric, Heavy Duty)
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Total Length: 5 feet
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Pitch: 7.774mm (0.306")
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Material: Heat-treated alloy steel
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Master Link: Not included — rivet-type chain
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Also Available In: 3 ft, 10 ft, and 25 ft sections
Model Fitment
| Application |
Compatible Models & Engines |
| Racing Go-Karts |
Rotax Max, IAME Leopard, X30, PRD Fireball, Comet, and most 2-stroke TAG/kart engines using #219 sprockets |
| Performance Scooters |
Custom 2-stroke motorized builds, Goped (with #219 conversion kits), and specialized racing minimotos |
| Pocket Bikes |
European racing pocket bikes (Polini, BZM, GRC) using metric #219 drive systems |
| Industrial / Custom |
High-RPM timing drives, robotics, and precision machinery requiring 7.774mm pitch |
Note: The "H" in #219H stands for Heavy Duty. This chain is compatible with any standard #219 sprocket but offers increased tensile strength for racing applications. No master link is included — use a chain breaker/rivet tool for installation.
About Universal Parts
Universal Parts is a leading distributor of scooter and powersports components, offering a broad catalog of quality replacement and performance parts trusted by mechanics and builders worldwide.
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