Made in the USA
S&S 4.000" Big-Bore Cylinders, Piston Kits, S&S 585 Easy Start® Cams, S&S Quickee Pushrods, TC3 Cam Support Plate, TC3 Oil Pump, and Precision Hydraulic Tappets are included in this kit
S&S Cylinder
2x S&S 4.000" bore cylinders
Low friction ductile cast iron liner
Bolt in
No maching, balancing, or splitting the crankcase
Can be used with stock heads
Increase displacement from 88 ci to 100 ci
Piston Kit
2x 4.000" pistons for front and rear
2x 0.927" piston pins
4x Piston pin clips with installation tool
2x Ring packs which includes the top, second, oil rail and expander rings
Provides 10.5:1 compression ratio
S&S 585 Easy Start® Cam Specifications
Intake: Open 20° / Close 45° / Duration at 0.053" 245° / Valve Lift 0.585"
Exhaust: Open 60° / Close 20° / Duration at 0.053" 260° / Valve Lift 0.585"
S&S Quickee Pushrods
Adjustable with chrome tubes
TC3 Cam Support Plate and TC3 Oil Pump
Machined from aluminum forgings
Ensures consistent oil pressure and engine longevity
Precision Hydraulic Tappets
Close tolerances for low leak down rates
Reduced valve train noise from start to shut down
Not for '06 Dyna.
Not compatible with S&S 79 cc Super Stock® heads.
Not recommended for Tri-Glide or other three wheel models due to lugging nature of these bikes.
'99-'04 Twin Cams will require the additional purchase of valve spring kit (sold separately).