The 117” has notably become one of the most popular Twin Cam® engine sizes available on the market. R&Rs Boss 117” package is in a class of its own. Boasting 125+ ft. lbs. torque and 125+ horsepower, this is one strong reliable performer. Just one twist of the throttle and you will understand why it’s called the BOSS. Available in Black & Silver Finishes. Please Select Below.
• R&R 4 3/8” stroke A crank assembly
• New Piston Coolers
• CP® Pistons
• S&S® 4 1/8” bore cylinders
• R&R Stage V Cylinder Heads (2” Intake valve)
• S&S® 625 Gear Drive Cams
• S&S® Gear Drive Kit
• R&R Cam Support Plate
• Adjustable Pushrods
• Pushrod Tubes and O-rings
• Head Gaskets and Base Gaskets
Cam Cover Gasket and Support Plate O-rings
Note: R&R can bore your crank case for you. Kit requires 2007-up high volume oil pump.
Note: 07-Up kits Do Not included Crank assembly