S&S Cycle MR103 Cam Kit - 330-0456

Upgrade your 103" engine's performance with the S&S Cycle MR103 Cam Kit. This bolt-in camshaft delivers increased power across the RPM range, with optimal results between 2500 and 5500 RPM. Experience enhanced throttle response and overall riding enjoyment with this high-performance upgrade.

Description

The S&S Cycle MR103 Cam Kit is designed to work seamlessly with stock, un-ported heads, but truly shines when paired with S&S CNC ported heads. This cam kit is engineered to boost performance, providing more power and torque throughout the RPM range. The MR103 grind ensures a broad powerband, making it ideal for a variety of riding styles. Built with quality materials and precision engineering, this cam kit offers reliability and long-lasting performance. Installation requires careful attention to detail and proper tools.

Features & highlights

• Bolt-in camshaft for 103" engines with 8.7:1 to 10.5:1 compression ratio.
• Works with stock and S&S CNC ported heads for versatile applications.
• Delivers increased power across the entire RPM range.
• Optimized performance between 2500 RPM and 5500 RPM.
• Made in the USA for superior quality and craftsmanship.
• Designed for improved throttle response and overall riding experience.

Technical specifications

• Brand: S&S Cycle
• Product Name: Camshaft Kit
• Grind: MR103
• Intake Open: 13°
• Intake Close: 33°
• Intake Duration: 226°
• Intake Lift: 0.585"
• Intake Lift at TDC: 0.172"
• Intake Lobe Centerline: 100°
• Exhaust Open: 50°
• Exhaust Close: 22°
• Exhaust Duration: 252°
• Exhaust Lift: 0.585"
• Exhaust Lift at TDC: 0.177"
• Exhaust Lobe Centerline: 104°
• Type: Chain

Important to know

Installation requires checking coil bind, valve-to-valve clearance, and valve-to-piston clearance. A hydraulic press and other professional-level tools are required. S&S recommends using adjustable pushrod/covers. Camshaft bearings and gaskets must be replaced during installation. Adjustable pushrods/covers, camshaft bearings, and gaskets are not included.