S&S Cycle Big Bore Camshaft Kit - 330-0647 For Harley Motorcycles 2017-2021 Brand_La Choppers Every exhaust is designed to

Every exhaust is designed to increase low-end torque and horsepower

one extra intermediate jet and two main jets

see Compression Ratios chart for specifications

base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles)

S&S Cycle Big Bore Camshaft Kit - 330-0647 For Harley Motorcycles 2017-2021 Brand_La Choppers Every exhaust is designed toFeatures 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 Product Name Camshaft Kit Type Gear Application Intake Exhaust Model Big Bore Grind 550G Intake Lift at TDC 0. 127" Front, 0. 099" Rear Intake Open 9. 4 Front, 3. 1 Rear Intake Lift 0. 550" Intake Duration 218. 9 Front, 214. 2 Rear Intake Lobe