S&S CYCLE - 330-0643 - Camshaft Kit - 550C Chain Drive - M8

For riders who put serious hours on their machine, the S&S CYCLE 330-0643 is a 550 chain built with Japanese steel for consistent power transfer and long service life. Kit includes all required bearings, o-rings, and hardware. Ideal horsepower cam for 114” and larger engines, ensuring strong pin retention. Maximizes peak torque and horsepower, and designed for big bore applications give this chain the internal toughness to resist constant flex and impact loads. Made in the USA. Whether running a practice bike, race machine, or trail bike, the 330-0643 delivers consistent performance. Sold as a complete kit.

Features

• Kit includes all required bearings, o-rings, and hardware
• Ideal horsepower cam for 114” and larger engines
• Maximizes peak torque and horsepower
• Designed for big bore applications
• Made in the USA

Specs

• Application: Exhaust
• Exhaust Close: 30.5° Front, 38.4° Rear
• Exhaust Lift: 0.550”
• Intake Open: 9.4° Front, 3.1° Rear
• Model: Big Bore
• Intake Lobe Centerline: 100.0° Front, 104.0° Rear
• Exhaust Duration: 273.1° Front, 277.8° Rear
• Exhaust Lift at TDC: 0.232” Front, 0.264” Rear
• Intake Close: 29.4° Front, 31.1° Rear
• Intake Lift: 0.550”
• Product Name: Camshaft Kit
• Application: Intake
• Intake Lift at TDC: 0.127” Front, 0.099” Rear
• Intake Duration: 218.9° Front, 214.2° Rear
• Units: Kit
• Exhaust Lobe Centerline: 106.0° Front, 100.5° Rear
• Exhaust Open: 62.5° Front, 59.4° Rear
• Riding Style: Street
• Grind: 550C
• Type: Chain