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497 products

$20,487.99

S&S is offering V-Series engines for 1984-’99 big twins without fuel or ignition systems. So if you have already added a performance carburetor or an EFI throttle body and tuner to your stock ...

$20,487.99

S&S is offering V-Series engines for 1984-’99 big twins without fuel or ignition systems. So if you have already added a performance carburetor or an EFI throttle body and tuner to your stock ...

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$13,253.99

Features & Benefits:- * Fits Dyna 2006-2017 & Touring Models 2007-2016 with Twin Cam A Engine. EXCEPT Twin-Cooled/Water Cooled models * This 124ci big bore/stroker Hot Set Up Kit transform...

124ci Hot Set Up Kit with 91cc S&S Cylinder Heads - Black. Fits Twin Cam 88B Softail 2000-2006. - S&S

$13,253.99

Features & Benefits:- * The S&S 124ci Hot Set Up Kit allows owners of Twin Cam 88 B to upgrade their stock 88ci engines to 124ci using the stock crankcases. * This version of the 124ci Hot...

$13,253.99

Features & Benefits:- * Fits Softail 2007-2017 with Twin Cam B Engine. * This 124ci big bore/stroker Hot Set Up Kit transforms a stock engine into a 124ci monster. * Includes S&S 4-1/8″ b...

$21,155.99

A lot of riders have already invested in performance upgrades for their stock engine by the time they are ready to move up to a complete big inch engine. Wouldn’t it be nice to be able to save som...

$21,155.99

Features & Benefits:- * Fits Both Stock Twin Cam 96ci & 103ci bolt pattern. * Engines are fully assembled up to the intake port face, therefore the customer will need to purchase a stock l...

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$21,155.99

Features & Benefits:- * Fits Both Stock Twin Cam 96ci & 103ci bolt patterns. * Engines are fully assembled up to the intake port face, therefore the customer will need to purchase a stock ...

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1250cc Big Bore Kit - Black. Fits Sportster 1986-2021 - S&S

$2,358.99

Features & Benefits:- * Fits Sportster 1986-2021 including Sportster 2004-2021. * Will Not Fit XR1200 * Includes Black Cylinders. * Includes Flat Top Pistons. * Includes Head Gaskets. * 10.3:1...

$651.99

Features & Benefits:- * Super strong Gates Poly x Carbon X3N material. * Robust carbon tensile cord combines minimal stretch with extraordinary strength and load carrying capacity * Significan...

128ci Big Bore Kit with Highlighted Fins - Black. Fits Milwaukee-Eight 2017up 114ci Engine. - S&S

$3,672.99

Features & Benefits:- * Upgrades Milwaukee-Eight 114ci to 128ci * 114ci to 128ci Big Bore Kit * 4.250″ Bore * 4.500″ Stroke (4-1/2″) * Forged Pistons. * 11.1 Compression Ratio. * Wrinkle Blac...

129ci Big Bore Kit with Highlighted Fins - Black. Fits Milwaukee-Eight 2017up with 107ci Engine. - S&S

$3,675.99

Features & Benefits:- * Upgrades Milwaukee-Eight 107ci to 129ci. * 4.320″ Bore. * 4.375″ Stroke (4-3/8″). * Forged Pistons. * 11.1 Compression Ratio. * Wrinkle Black Finish. * With Highlighted...

129ci Big Bore Kit with Non-Highlighted Fins - Black. Fits Milwaukee-Eight 2017up with 107ci Engine. - S&S

$3,675.99

$719.99

Features & Benefits:- * Also Fits Softail 1986-1999 with 1-1/2″ x 65 Tooth Rear Pulley. * Also Fits Dyna 1991-1999 with 1-1/2″ x 65 Tooth Rear Pulley. * Super strong Gates Poly x Carbon X3N ma...

$651.99

Features & Benefits:- * Super strong Gates Poly x Carbon X3N material. * Robust carbon tensile cord combines minimal stretch with extraordinary strength and load carrying capacity * Significan...