Elevate your engine's performance with our 820 High Compression Heads! Experience exceptional power delivery and a significant boost in performance.

Precision CNC Machining: Our heads are CNC machined for unmatched accuracy, ensuring precise fits and enhanced durability.

Hemi Combustion Chamber: With a hemispherical design, enjoy increased power and efficiency. This unique chamber promotes better flame propagation, maximizing power while optimizing fuel consumption.

Superior Design and Compatibility: Merging the best of “Horstman High Compression head” and “Copperhead Racing head”, we have introduced key enhancements. Compatible with West Bend Chrysler and modern US 820 cylinders, they fit seamlessly with hot saws, vintage Rokons, Mini Bikes, and Go Karts.