S&S 4" Big Bore Kit for Twin Cam: 10.5:1 cylinders and pistons, 585 Easy Start cams, Quickee pushrods, hydraulic lifters, TC3 cam plate and oil pump. Bolt-on installation with no machining; compatible with stock heads. Increases displacement from 88 to 100 cu in. Made in the USA. Not compatible with 2006 Dyna models, S&S 79 cc heads, or trikes. For 1999–2004 models: spring kit required.
Includes a 4" big-bore cylinder kit with S&S 10.5:1 pistons, S&S Easy Start 585 cams, S&S Quickee pushrods, and Premium hydraulic lifters to fully capitalize on increased displacement
S&S cylinders
Two S&S cylinders with 4.000" bore
Low-friction ductile iron liners
Simple bolt-on installation
No machining, balancing, or case splitting required
Compatible with stock heads
Increases displacement from 88 ci to 100 ci
Piston kit
Two 4.000" pistons for front and rear cylinders
Two 0.927" piston pins
Four wrist pin clips supplied with installation tool
Two ring sets including top, second, oil ring, and expander
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100" Power Package Engine Performance Kit
S&S 4" Big Bore Kit for Twin Cam: 10.5:1 cylinders and pistons, 585 Easy Start cams, Quickee pushrods, hydraulic lifters, TC3 cam plate and oil pump. Bolt-on installation with no machining; compatible with stock heads. Increases displacement from 88 to 100 cu in. Made in the USA. Not compatible with 2006 Dyna models, S&S 79 cc heads, or trikes. For 1999–2004 models: spring kit required.
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S&S 4" Big Bore Kit for Twin Cam: 10.5:1 cylinders and pistons, 585 Easy Start cams, Quickee pushrods, hydraulic lifters, TC3 cam plate and oil pump. Bolt-on installation with no machining; compatible with stock heads. Increases displacement from 88 to 100 cu in. Made in the USA. Not compatible with 2006 Dyna models, S&S 79 cc heads, or trikes. For 1999–2004 models: spring kit required.