Harley Davidson

S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '17-'23 Touring Models - Guardian Black These mufflers feature a bold 4-1/2" design with a stainless steel baffle and RaceTEX packing. They produce a deep bass rumble throughout the RPM range...

S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '95-'16 Harley Touring Models - Chrome These mufflers feature a bold 4-1/2" design with a stainless steel baffle and RaceTEX packing. They produce a deep bass rumble throughout the RPM range...

S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '95-'16 Harley Touring Models - Guardian Black These mufflers feature a bold 4-1/2" design with a stainless steel baffle and RaceTEX packing. They produce a deep bass rumble throughout the...

S&S Cycle - 4-1/2" MK45 Performance Muffler W/ Black Thruster End Caps fits '95-'16 Touring Models - Black This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Performance Muffler W/ Black Thruster End Caps fits '95-'16 Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Performance Muffler W/ Black/Machined Tracer End Caps fits '95-'16 Touring Models - Black This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Performance Muffler W/ Chrome Thruster End Caps fits '95-'16 Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Performance Muffler W/ Chrome Tracer End Caps fits '95-'16 Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Slip-On Mufflers W/ Black Thruster End Caps fits '17-'21 Harley Touring Models - Black This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Slip-On Mufflers W/ Black Thruster End Caps fits '17-'21 Harley Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Slip-On Mufflers W/ Black/​Machined Tracer End Caps fits '17-'21 Harley Touring Models - Black This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and...

S&S Cycle - 4-1/2" MK45 Slip-On Mufflers W/ Black/​Machined Tracer End Caps fits '17-'21 Harley Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and...

S&S Cycle - 4-1/2" MK45 Slip-On Mufflers W/ Chrome Tracer End Caps fits '17-'21 Harley Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4.5" GNX Slip-On Mufflers W/ Tuxedo Black End Caps fits '17-'21 Harley Touring Models - Chrome These mufflers are SAE J2825 Sound Level Compliant and a pre-installed, detachable dB reducer. The unique louvered baffle emits a more...

S&S Cycle - 49-State 2-into-1 Qualifier Exhaust System fits '17-'23 Touring Models - Black Features Full stainless steel construction Computer-aided stepped header design to maximize power output Precision bends allow for class-leading ground...

S&S Cycle - 49-State 2-into-1 Qualifier Exhaust System fits '17-'23 Touring Models - Silver Features Full stainless steel construction Computer-aided stepped header design to maximize power output Precision bends allow for class-leading ground...

S&S Cycle - 4⅛" Bore Cylinders fits '07-'17 Twin Cam Engines W/ 124" Hot Set Up Kits These Cylinders are built for 124" Hot Set Up Kits utilized in '99-'17 Twin Cam models and are bored slightly under the normal size and are not honed. NOTE:...

S&S Cycle - 4⅛" Bore Cylinders fits '99-'06 Twin Cam Engines W/ 124" Hot Set Up Kits These Bore Cylinders are built for 124" Hot Set Up Kits utilized in '99-'17 Twin Cam models and are bored slightly under the normal size and are not honed. NOTE:...

S&S Cycle - 4⅝" Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin fits '17-'20 M8 Softail Models This Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin comes with S&S high-strength connecting rods that are ideal for...

S&S Cycle - 50 State Slash-Cut Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers are S&S engineered high-flow cats that performs as well as many catalyst-free "race only" mufflers. They feature classic slash-cut...

S&S Cycle - 50 State Slash-Cut Slip-On Mufflers fits '18-'22 Harley Softail Models - Chrome These mufflers are S&S engineered high-flow cats that performs as well as many catalyst-free "race only" mufflers. They feature classic slash-cut styling...

S&S Cycle - 50 State Slash-Cut Slip-On Mufflers fits '18-'22 Harley Softail Models - Guardian Black Features: Classic slash-cut styling Boost horsepower and torque SAE J2825 Sound Level Compliant S&S engineered high-flow cats perform as...

S&S Cycle - 50-State Brushed Stainless Steel Slip-On Muffler Features: Show quality brushed stainless finish Carbon fiber end cap and heat shield Removable dB reducer (J2825 compliant) 19% weight savings over stock muffler - US version Made...

S&S Cycle - 55mm Performance Manifold fits '17-'23 Harley M8 Models The S&S Cycle 55mm Performance Manifold for '17-'23 Harley M8 Models features a textured finish to enhance fuel dissipation and atomization, fits all 55 mm throttle bodies,...

S&S Cycle - 76cc High Compression Performance Cylinder Heads fits '84-'99 Evolution Big Twin Models - Black Powdercoat Great news: S&S heads are now available to be used with stock-style flat-top pistons! The kits are fully assembled and come...

S&S Cycle - Air Cleaners fits Harley Models fits '08-'17 Twin Cam - Electronic Throttle These S&S Cycle Air Cleaners feature original S&S teardrop air cleaner assemblies and are available in your choice of chrome or gloss black...

S&S Cycle - Air Stinger Stealth Air Cleaner Kit with Teardrop Cover fits '07-'20 Sportster Models The Air Stinger Stealth Air Cleaner Kit comes complete with a backing plate cover, a washable and re-usable filter element, and the necessary hardware...

S&S Cycle - Air Stinger Stealth Air Cleaner Kit with Teardrop Cover fits '08-'17 Twin Cam - Electronic Throttle The Air Stinger Stealth Air Cleaner Kit comes complete with a backing plate cover, a washable and re-usable filter element, and the...

S&S Cycle - Aluminum Hydraulic Cam Chain Tensioners Kit - fits '07-'17 Twin Cam, '06 Dyna Features: For use in stock 07-17 Twin Cam engines or 99-06 Twin Cam engines with a hydraulic upgrade cam plate like the S&S TC3bodies machined from 6061...

S&S Cycle - Billet Cam Plate fits  '17-'21 Harley M8 Models Features: Precision machined from billet aluminum Blue anodized finish Passage plugs are removeable for servicing Made in U.S.A Fitment 2020 Harley-Davidson Softail...

S&S Cycle - Black 4.375" Stroke 129" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power increase! It is...

S&S Cycle - Black 4.5" Stroke 132" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power increase! It is...

S&S Cycle - Black Granite 128" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'20 114" 117" M8 Engines This is a bolt-on kit that features the biggest cylinder bore possible with no machining of the crankcases necessary! It includes all of the...

S&S Cycle - Black Granite 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines  These cylinders are bored slightly under nominal size and are not honed. Features Bolt on Cylinder Set For M8 Models Sold in...

S&S Cycle - Black Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock cylinder heads. It comes complete with cylinders, pistons,...

S&S Cycle - Black Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock cylinder heads. It comes complete with cylinders, pistons,...

 S&S Cycle - Black Powdercoat Evolution-Style Aluminum Cylinders W/ Machined Fin Edges fits '84-'99 Evolution Big Twin Engines S&S Cycle's Evolution-Style Aluminum Cylinders are stock replacement cylinders featuring a 3½" bore with a...

S&S Cycle - Black/Highlighted 4.375" Stroke 129" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines  S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power...

S&S Cycle - Black/Highlighted 4.5" Stroke 132" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines  S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power...

S&S Cycle - Chrome Air Cleaner fits '99-'06 Twin Cam Models W/ E & G Series Carbs This S&S Cycle Air Cleaners features the original S&S teardrop air cleaner assembly and comes to you in a bright chrome finish. Features Include an...