136-Inch Big Bore Kit for Milwaukee Eight Models

S&S Cycle’s biggest big bore kit yet.

Milwaukee Eight big bore kit
High-Flow CNC Ported Manifold for the M8

The S&S Cycle CNC ported manifold fits all 55-millimeter throttle bodies.

high-intake manifold
Harley-Davidson’s Hardwire Plan Is the Motor Co.’s Latest Reinvention

The Hardwire plan, released in February 2021, memorializes Harley-Davidson’s push to reinvent itself.

H-D Air-Oil Separator/Catch-Can System

From the factory, Harley’s breather system vents excess crankcase vapors, un-burnt fuel, residual oil and moisture back into the intake which compromises performance and durability. The Moroso air-oil separator/catch can system plumbs inline of the breather system and filters the excess crankcase vapors, exhaust vapors, residual oil and moisture before it re-enters the engine, reducing

Vance & Hines VO2 America Air Intake

The limited-edition VO2 America includes a subtle stars and stripes design which is laser etched onto the billet cover.

Harley-Davidson Icons Collection Celebrates American Motorcycle Design

The Icons Collection will present one or two models annually, with a single production run for each motorcycle model.

S&S High Performance Manifold for M8

It adds 3-5 Hp with a simple bolt on install and fits most M8 models.

Drag Specialties Replacement Piston Kit

The cast aluminum alloy pistons feature a coating that extends life and reduces friction so your engine can run cooler.

S&S Cycle SuperStreet Two into One Exhaust System

Combining their stainless header with stainless shields and muffler make for a great look without the punishment of melting boots most of the other stainless exhaust are hampered by.

S&S Cycle Air Stinger High Flow Air Cleaner Kit

The Air Stinger takes the existing high flow Stealth air cleaner and replaces the air smoothing stinger with a similarly shaped filter element.

S&S Cycle 590 Cam for Big Bore M8 Models

The new cam is designed to work with their 131-in. stroker kit and other huge bore combinations.

Harley-Davidson Announces New Screamin’ Eagle Stage Kits

High-flow exhaust kits, performance cams, ultra-powerful Screamin’ Eagle engines and a comprehensive line of upgrades get you to peak exhilaration quickly and smoothly with the power to handle whatever comes.