S&s Cycle 557 Easy Start Camshaft Kit

Upgrade your heavy touring motorcycle with the S&S Cycle 557 Easy Start Camshaft Kit. This kit is specifically designed for Tri-Glides and other heavyweight bikes, offering improved starting performance and robust power delivery.

Description

The S&S Cycle 557 Easy Start Camshaft Kit utilizes a clever design that initially reduces crank compression for effortless starting. Once the engine fires up and RPM increases, the compression release lobe retracts, allowing the engine to run at full compression without sacrificing performance. This innovative approach ensures smooth starts and uncompromised power. The 557 grind camshaft delivers enhanced torque and horsepower throughout the RPM range, making it ideal for loaded touring bikes needing extra boost. Easy bolt-in design minimizes installation time.

Features & highlights

• Easy Start design reduces cranking compression for effortless starting.
• Maintains full compression and performance once the engine is running.
• Optimized for Tri-Glides and other heavy motorcycles.
• Bolt-in installation for quick and easy setup.
• 557 Grind delivers increased torque and horsepower.
• Made in the USA.

Technical specifications

• Brand: S&S Cycle
• Product Name: Camshaft Kit
• Grind: 557 Series
• Type: Chain
• Application: Exhaust, Intake
• Intake Open: 6°
• Intake Close: 27°
• Intake Duration: 212°
• Intake Lift: 0.557"
• Intake Lift at TDC: 0.113"
• Intake Lobe Centerline: 100°
• Exhaust Open: 39°
• Exhaust Close: 12°
• Exhaust Duration: 231°
• Exhaust Lift: 0.557"
• Exhaust Lift at TDC: 0.146"
• Exhaust Lobe Centerline: 103°

Important to know

This kit includes camshafts, gear cover gasket, bearings, retaining ring, o-ring, thread lock, and detailed instructions. Installer must check coil bind, valve-to-valve clearance, and valve-to-piston clearance. This kit is not compatible with models equipped with OEM compression releases.

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