S&S CYCLE Camshaft - Easy Start - 557 Gear Drive - Twin Cam '07-'17 | Dyna '06

Features

• Allow for easy start by initially reducing crank compression, but once the engine starts and rpm increases, the compression release lobe is centrifugally retracted and the engine runs normally, with full compression, and without any loss in performance
• Designed for Tri-Glides and other heavy bikes
• Bolt in design
• Includes camshafts, gear cover gasket, bearings, retaining ring, o-ring, threat lock and instructions
• Made in the USA

Notes

• Includes 4-gear set.
• Due to the inherent characteristics of gear drives, there may be more valve train noise.
• Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.
• Not for models with OEM compression releases.

DISCLAIMER: Not legal for sale or use in California on any pollution controlled motor vehicles.

Specs

Product Name	Camshaft Kit
Type	Gear
Application	Intake / Exhaust
Model	Easy Start
Grind	557 Series
Intake Lift	0.557"
Intake Open	6°
Intake Close	27°
Intake Duration	212°
Intake Lift at TDC	0.113"
Intake Lobe Centerline	100°
Exhaust Lift	0.557"
Exhaust Open	39°
Exhaust Close	12°
Exhaust Duration	231°
Exhaust Lift at TDC	0.146"
Exhaust Lobe Centerline	103°
Units	Kit
Riding Style	Street