ENGINE AND COMPONENETS

The crew here at S&S Cycle have been working on our new Billet Head Breathers, crafted from premium 6061 aluminum and anodized in the iconic S&...

The factory oil control valve on all oil cooled M8 engines regulates the amount of oil flowing to the oil cooler/heads. The stock assembly includes...

PUSHROD TUBE HOLDER Makes for easy adjustment of adjustable pushrods, holding pushrod tubes up and out of the way Fits M8, Twin cam, Evolution big...

S&S CAM CHAIN TENSIONERS (M8 & TWIN CAM) Thicker shoe for longer wear Direct chain oiling Larger piston Tighter tolerance for improved sta...

The 110" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early...

FEULING 472 CHAIN DRIVE CAMSHAFT ('17+M8) 487 CAM - The 487 Reaper CHOP is a great all-around camshaft and Feulings go to for 4 1/2 stroke 114 - 11...

FEULING ECONO performance BEEHIVE valve springs designed to handle up to 585 lift camshafts at an economical price. These FEULING BEEHIVE springs a...

Let that CVO breathe! The S&S Stealth system is now available for 2023-2024 CVO models, and it comes paired with our Lava Chrome teardrop to ma...

Star Racing M8 PSI valve spring kit 640 lift PSI Valve Springs up to 640 Lift JHE Titanium Retainers exclusive to this new spring design Trend Bil...

3/4 Race Milwaukee 8 Cam .585 Best Seller - Most Lift for Reliable Performance 2300 to 6500 RPM Range .585 Lift, Intake Closes at 42 ABDC ...

S&S Cycle has upped our intake game with a new M8 manifold and leveraged a 5-Axis CNC machining center for the ultimate in consistent shape and...

FEULING 543 CHAIN DRIVE CAMSHAFTS ('99-'06 TWIN CAM) 543 CAMS - The Freeway Flyer, a great camshaft for those who want more top end power than our ...

FEULING 543 CHAIN DRIVE CAMSHAFTS ('06+TWIN CAM) 543 CAMS - The Freeway Flyer, a great camshaft for those who want more top end power than our 525 ...

FEULING 592 CHAIN DRIVE CAMSHAFT ('17+M8) 592 CAM - The BIG NASTY Put your big boy pants on get serious with bore size, ported cylinder heads/intak...

TAPPET/LIFTER BLOCK ALIGNMENT SCREW Used when installing tappet/lifter blocks to ensure all oil passages and gaskets are perfectly aligned. Fits 7...

Factory tappet guides are constructed of plastic and are at risk for allowing the tappets to twist under heavy stress. S&S Tappet Cuffs capture...

S&S SIDEWINDER .650" LIFT VALVE SPRINGS For valve lift to .650” with 1.860”/​178 lb. installed height, 376 lb. at max lift High Performance co...

S&S INTAKE MANIFOLD FLANGES For use on S&S manifolds only Fits '84-'06 Big twins (Except '06 Dyna) & '86-'03 Sportsters Seals sold se...

S&S T124 ENGINES (LOW COMPRESSION) The ultimate power producing and reliable drop in engine available! Great option for sport touring riding...

S&S T111 ENGINES    The ultimate sport & touring drop in engine available. Perfect choice for a rider looking for plenty of passing ...

S&S V111 engines     Perfect for applications that require great horsepower and torque, but not at the expense of dependability, fuel mileage...

Installation is a snap! just remove the four OEM screws and bolt on the new cover with them Smooth die-cast chrome cover replaces the OEM black pl...

  Big Bore Kit: 107" to 124" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pis...

S&S GEAR DRIVE 475G CAM CHEST KIT 17'-LATER M8 MODELS- CHROME, OIL COOLED Excellent all around power and torque cam! Good application for rider...