S&S Cycle Knucklehead Valve Guide - Cast Iron - 106-3637

Upgrade your vintage Knucklehead Big Twin with the S&S Cycle Valve Guide. Designed for superior performance and durability, these valve guides are a must-have for enthusiasts and professionals alike. These valve guides ensure optimal valve function and longevity.

Description

The S&S Cycle Valve Guides are standard equipment on S&S KN-series engines and are perfectly compatible with stock 1936 through 1947 OHV Knucklehead Big Twins. Crafted from high-quality cast iron, these valve guides are engineered to withstand the rigors of high-performance engines. The innovative design features a smaller-than-stock upper diameter, specifically tailored to accommodate S&S High Lift valve springs, allowing for enhanced valve lift and improved engine breathing. Ensure precise valve movement and reliable operation with these premium valve guides, delivering increased power and efficiency to your classic motorcycle. Upgrade your engine with confidence, knowing you're using parts designed for peak performance and longevity.

Features & highlights

• Direct fit for 1936-1947 OHV Knucklehead Big Twins.
• Standard equipment on S&S KN-series engines.
• Smaller than stock upper diameter designed for S&S High Lift valve springs.
• Enhances valve lift for improved engine performance.
• Constructed from durable cast iron for long-lasting reliability.
• Ensures precise valve movement and optimal engine efficiency.

Technical specifications

• Brand: S&S Cycle
• Part Number: 106-3637
• Material: Cast Iron
• Spring Lift: 0.480"
• Units: Each

Important to know

Ensure compatibility with your specific engine configuration before installation. Professional installation is recommended.