S&S Cycle Big Twin H-Grind Camshaft - 330-0165

Restore the performance of your classic Big Twin with the S&S Cycle H-Grind Camshaft. This camshaft is a faithful reproduction of the original equipment manufacturer (OEM) specifications, delivering authentic performance and reliability. Ideal for breathing new life into your vintage motorcycle.

Description

The S&S Cycle H-Grind Camshaft is designed as a direct replacement for the stock cams used in 1948-1984 Big Twin engines. This camshaft is meticulously engineered to replicate the original timing specifications, ensuring optimal performance in 74" and 80" engines. Whether you're undertaking a full restoration or simply repairing a worn engine, the H-Grind delivers the correct lift and duration for that classic Big Twin feel. The H-Grind camshafts are available to suit generator engines with inner cam bushings or inner cam bearings, and for early and late alternator engines featuring different cam gear pitch diameters. This ensures correct fitment and peak engine performance. Upgrade your vintage motorcycle with the reliability and performance of S&S Cycle.

Features & highlights

• Faithful reproduction of OEM camshaft specifications.
• Designed for 1948-1984 Big Twin engines.
• Ideal for repair and restoration projects.
• Provides authentic performance and reliability.
• Optimized for 74" and 80" engines.
• Available for generator and alternator engines.

Technical specifications

• Brand: S&S Cycle
• Grind: H
• Type: Gear
• Application: Exhaust, Intake
• Exhaust Duration: 245° Front / 245° Rear
• Exhaust Lift: 0.389" Front / 0.391" Rear
• Exhaust Open: 53° Front / 53° Rear
• Exhaust Close: 12° Front / 12° Rear
• Exhaust Lift at TDC: 0.131" Front / 0.131" Rear
• Intake Duration: 220° Front / 233° Rear
• Intake Lift: 0.389" Front / 0.391" Rear
• Intake Open: 0° Front / 20° Rear
• Intake Close: 40° Front / 33° Rear
• Intake Lift at TDC: 0.076" Front / 0.076" Rear

Important to know

Verify the correct fitment for your specific engine year and model before installation. Professional installation is recommended for optimal performance.