S&S Cycle - Wrinkle Black 110" Bolt-In Sidewinder® 4" Big Bore Kit fits '07-'17 Twin Cam Engines This Big Bore Kit has a 10.5:1 compression ratio (W/ stock 85cc heads) that will transform your engine into a street-ready and reliable machine...

S&S Cycle - Wrinkle Black 124" Big Bore Kit W/O Highlighted Cylinder Fins fits '17-'21 107" M8 Engines This is a bolt-on kit that features the biggest bore possible with no machining of the crankcases necessary! It includes all of the required...

S&S Cycle - Wrinkle Black 124" Big Bore Kit W/ Highlighted Cylinder Fins fits '17-'21 107" M8 Engines This is a bolt-on kit that features the biggest bore possible with no machining of the crankcases necessary! It includes all of the required...

S&S Cycle - Wrinke Black 128" Big Bore Kit W/O 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 - Wrinke Black 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 - Wrinkle Black 4¼" Bore M8 Cylinders W/O 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 - Wrinkle Black 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 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 - Wrinkle Black 131" Stroker Cylinder & Piston Kit W/ Highlighted Cylinder Fins fits '17-'21 M8 Engines S&S Cycle's Stroker Cylinder & Piston Kit is a bolt-on kit that is compatible with the stock crankcases and features...

S&S Cycle - Wrinkle Black 131" Stroker Cylinder & Piston Kit W/ Non-Highlighted Cylinder Fins fits '17-'21 M8 Engines S&S Cycle's Stroker Cylinder & Piston Kit is a bolt-on kit that is compatible with the stock crankcases and features...

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 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/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 - 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 - Natural Finish Evolution-Style Aluminum Cylinders 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 cast-iron liner. Its finish...

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 - 3.625" Bore Shovelhead Cylinder Kit fits '66-'84 Shovelhead Engines This Bore Shovelhead Cylinder Kit comes complete with front and rear cylinders, base nuts, headbolts, base gaskets and head gaskets. NOTE: 3.625" bore cylinders require...

 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 - Super Stock™ '66-'78 Cylinder Heads - fits 3-5/8" Bore Cylinders Features: Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers Complete kits also include...

Alloy Art - Boom Box Max Volume Air Cleaner Kit fits '17 & Up M8 Softail Models Alloy Art's Clear Boom Box Max Volume Air Cleaner Kit is the biggest side-mounted air box and filter surface area available today. It features a forward offset as well...

Vance & Hines - High Output RR Exhaust System - Stainless fits '17-Up Touring Models The Vance & Hines High Output RR Exhaust System is a must-have for riders of '17-Up Touring Models. This exhaust system features PCX™ (Power Chamber...

Vance & Hines - High Output RR Exhaust System - Matte Black fits '17-Up Touring Models The Vance & Hines High Output RR Exhaust System in Matte Black is the perfect addition to '17-Up Touring Models. This exhaust system boasts PCX™ (Power...

S&S Cycle - Quickee Pushrod Kit with Gloss Black Covers fits '17-Up M8 Models The S&S Cycle Quickee Pushrod Kit with Gloss Black Covers is the perfect upgrade for '17-Up M8 Models. The kit includes four S&S Quickee pushrods, four pushrod...

S&S Cycle - '84-'99 Hydraulic Lifters Tappet with HL²T Kit Features: Rollers have a larger-than-stock inner bearing race that reduces stress and increases axle life Each lifter body and plunger assembly is hand-fit and pressure-tested to...

S&S Cycle - 90-1293 - Wrinkle Black Powdercoat 79cc Super Stock™ Cylinder Heads - Fits '99-'05 Twin Cam Models Fits: '99-'05 Twin Cam Models. Full year/model list is on the Fitment tab. S&S Cycle's 79cc Super Stock™ Cylinder Heads' high port flow...

S&S Cycle - TC3 Oil Pump- fits '07-'17 Twin Cam & '06 Dyna Models Features: Three stages for consistent pressure and reliable scavenging Separate scavenge sections for flywheel cavity and cam chest (no interface) Screens and magnetic traps...

S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '99-'06 Twin Cam (Exc. '06 Dyna) Features: Precision CNC machined forged aluminum Increased structural strength Dimensional stability Freedom for internal porosity Separate scavenge...

S&S Cycle - TC3 Oil Pump & Cam Support Plate Kit - fits '07-'17 Harley Twin Cam Features: Precision CNC machined forged aluminum Increased structural strength Dimensional stability Freedom for internal porosity Separate scavenge sections...

S&S Cycle - Steel Rotary Breather Gear fits '84-'99 Harley Models - Big Twin Features: All-steel construction Welded-in screen Higher flow than stock Elongated breather pocket scavenge hole for increased...

S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '78-'91 Harley Big Twin Features: Master rebuild kit for S&S oil pump. Made in the U.S.A. Fitment 1991 Harley-Davidson Dyna Sturgis...

S&S Cycle - Master Rebuild Kit For S&S Oil Pump - fits '92-'99 Harley Models Features: Master rebuild kit for S&S oil pump. Made in the U.S.A. Fitment 2000 Harley-Davidson FXR 4 - - 1999 Harley-Davidson Softail...

S&S Cycle - 31-6294 - Billet Oil Pump Kit W/ Universal Cover - Fits '71-'77 Shovelhead Models Fits: '71-'77 Shovelhead Models. Full year/model list is on the Fitment tab. This kit comes with the following items: Kit includes Oil pumpUniversal...

S&S Cycle - 31-6307 - High Volume/High Pressure (HVHP) Polished Billet Oil Pumps W/ Universal Cover - Fits '78-'91 Evolution Big Twin Models Fits: '78-'91 Evolution Big Twin Models W/ Universal Cover. Full year/model list is on the Fitment tab. The...

S&S Cycle - Oil Pump and Cam Support Plate Kit fits '17-'21 M8 Models W/ Twin Cooled™ Engines S&S Cycle's Oil Pump and Cam Support Plate Kit for '17-'21 M8 Models with Twin Cooled Engines™ delivers a 44% flow increase on the supply...

S&S Cycle - Oil Pump and Cam Support Plate Kit fits '17-'21 M8 Models W/ Oil-Cooled Engines S&S Cycle's Oil Pump and Cam Support Plate Kit for '17-'21 M8 Models with Oil-Cooled Engines delivers a 20% flow increase on the supply side as well as a...

S&S Cycle - Oil Pump fits '17-'23 M8 Water-Cooled Touring Models S&S Cycle's Oil Pump for '17-'23 M8 Water-Cooled Touring Models delivers a 44% flow increase on the supply side and a 58% flow increase on scavenge. There are independent scavenge...

S&S Cycle - Oil Pump fits '17-'23 M8 Oil-Cooled S&S Cycle's Oil Pump for '17-'23 M8 Oil-Cooled Touring Models delivers a 20% flow increase on the supply side and a 52% flow increase on scavenge. There are independent scavenge sections for the...

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...

Bassan Exhaust - Chrome Road Rage 2-into-1 Exhaust System for High-Performance Motors fits '17-'21 Touring Models This Bassani Road Rage 2-into-1 Exhaust System for High-Performance Motors was designed in collaboration with Chris Rivas to create the...