S&S 4" big bore kit — Made in the USA: 4.000" cylinders with cast-iron sleeves, 10.5:1 pistons, Easy Start 585 cams, Quickee pushrods, hydraulic lifters, and TC3 oil pump/cam plate. Bolt-on install with stock heads; increases displacement from 88 to 100 ci. Reduces noise and leaks; maintains stable oil pressure. Not compatible with 2006 Dyna models or S&S 79cc heads; not recommended for trikes. For Twin Cam ’99–’04: valve spring kit required.
Includes a 4" big bore kit with &S 10.5:1 pistons, &S 585 Easy Start cams, &S Quickee pushrods, and Premium hydraulic lifters to take full advantage of the increased displacement
&S cylinders
2 &S cylinders with a 4.000" bore
Low-friction ductile iron liners
Bolt-on installation
No machining, rebalancing, or case splitting required
Compatible with stock heads
Increases displacement from 88 ci to 100 ci
Piston kit included
Two 4.000" pistons for front and rear cylinders
Two 0.927" wrist 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 — Made in the USA: 4.000" cylinders with cast-iron sleeves, 10.5:1 pistons, Easy Start 585 cams, Quickee pushrods, hydraulic lifters, and TC3 oil pump/cam plate. Bolt-on install with stock heads; increases displacement from 88 to 100 ci. Reduces noise and leaks; maintains stable oil pressure. Not compatible with 2006 Dyna models or S&S 79cc heads; not recommended for trikes. For Twin Cam ’99–’04: valve spring kit required.
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S&S 4" big bore kit — Made in the USA: 4.000" cylinders with cast-iron sleeves, 10.5:1 pistons, Easy Start 585 cams, Quickee pushrods, hydraulic lifters, and TC3 oil pump/cam plate. Bolt-on install with stock heads; increases displacement from 88 to 100 ci. Reduces noise and leaks; maintains stable oil pressure. Not compatible with 2006 Dyna models or S&S 79cc heads; not recommended for trikes. For Twin Cam ’99–’04: valve spring kit required.