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499 products

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$17,705.99

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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$17,750.99

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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$18,369.99

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. Wouldnt it be nice to be able to save som...

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$18,369.99

This S&S 111 cubic inch T111 Long Block engine fits 2007-’16 HD touring bikes except Twin-Cooled models. Long Block engines do not include a fuel or ignition system, so If you already have a l...

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117ci Big Bore Kit – Black. Fits Twin Cam 2007-2017

$3,644.99

* 117″ Standard Compression – Flat Top Pistons * Note: Crankcases must be bored to accept the larger 4-1/8″ bore cylinders * Compression Ratios: 85cc Stock Heads = 10.9:1 89cc S&S Heads = 10.5...

117ci Big Bore Kit – Silver. Fits Twin Cam 2007-2017

$3,653.99

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1200cc Big Bore Kit – Silver. Fits Sportster 1986-2021 with 883cc Engine.

$2,181.99

Features & Benefits:- * Will Not Fit XR1200 * Includes silver cylinders. * Includes MLS Head Gaskets, Base Gaskets & Exhaust Gaskets. * Includes assembly lube & instructions. * No mac...

1200cc Big Bore Kit – Wrinkle Black. Fits Sportster 1986-2021 with 883cc Engine.

$2,181.99

Features & Benefits:- * Will Not Fit XR1200 * Includes Black Cylinders. * Includes MLS Head Gaskets, Base Gaskets & Exhaust Gaskets. * Includes Assembly lube & Instructions. * No mach...

1200cc Hooligan Big Bore Kit – Black. Fits Sportster 2000up with 883cc Engine.

$4,246.99

Features & Benefits:- * Will Not Fit XR1200 * Wrinkle Black Finish. * Big Bore Kit Increase 883cc Engines to 1200cc. * Whether youre racing Hooligan flat-track or just want more power, the S&...

$415.99

Features & Benefits:- * The machined displacement looks killer against the gloss black powder coat finish of the cover & anybody who sees itll know better than to mess with a guy with tha...

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$18,369.99

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 ...

Sold Out

$18,369.99

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 ...

Sold Out

$19,697.99

Features & Benefits:- * Super Stock Ignition. * 2 Year Warranty. * 4-1/8″ Bore x 4-5/8″ Stroke. * 10.8:1 Compression Ratio. * Forged Pistons. * G Carburettor. * Chrome rocker covers, tappet co...

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$12,771.99

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.

$12,771.99

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...