Proven Performance® For The Powersports Industry
My Account
Menu
Shop by Motorcycle
Shop By Products
Air Cleaners
Apparel & Accessories
Camshafts
Carburetors & Kits
Clutch
Crankcases
Cylinder Heads
Cylinders
Electronics
Engines
Exhaust
Flywheels
Gearcovers
Ignition
Manifolds
Off Road
Oil & Filters
Oil Pumps & Cam Plates
Performance Kits
Pistons
Pushrods
Rocker Arms & Covers
Tappets
Throttle Bodies
Transmission
Valve Spring Kits
SALE
Shop By Category
Air Cleaners
Stealth Air Cleaner Kits
Updated Tuned Induction Air Cleaner Kit
Super E/G Carburetor Stealth Kits
Performance Kits
100/110, 124/128, 129/132 Power Package
136" & 131" Cylinder & Piston Kits
129" & 132" Cylinder & Piston Kits
Lower End
Flywheels for M8 Models
Engines
T143 Engines for 1999-'17 Big Twins
MK136 Engine for 2017-2023 M8 Touring
Exhaust
El Dorado Touring Exhaust System
Mk45 Touring Mufflers
Grand National Touring Slip-On Mufflers
S&S Sidewinder® 2 Into 1 Exhaust Systems and Shadow Pipes
S&S SuperStreet 2:1 Exhaust System - 50 State Legal
S&S SuperStreet 2:1 Exhaust System for 2007-'20 XL Models
GNX Slip-Ons
S&S Cycle Diamondback 2 Into 1 Exhaust Systems
Qualifier 2-1 Exhaust Systems
Indian® Motorcycles
Exhaust Systems for Indian® FTR™ 1200
Engine Control Manager for Indian® FTR™ 1200
Slip-ons for Indian® Touring
Grand National 2:1 Exhaust System for Indian® Scout Models
Grand National Slip-on Mufflers for 2015-2023 Indian Scout Models
Qualifier 2-1 Exhaust System for 2020-2023 Indian® Challenger® Models
Grand National Slip-on Muffler for 2025-up Indian Scout Models
Valve Train
Cam Chest Kits for 2017-Up Touring Models & 2018-Up Softail® Models
M8 Valve Train
Street Legal 475 Cam with Calibration for M8 Touring Models
Cam Chest Kits Without Cams
Royal Enfield® 650 Twin
Performance Parts for Royal Enfield® 650 Twins
Off Road Performance
Offroad Division - Performance Parts for UTV
Offroad Division - XTO Exhaust
Harley-Davidson® Tri Glide®
Performance Parts for Harley-Davidson® Tri Glide® Models
Tech Info
Instruction Sheets
S&S Cycle Frequently Asked Questions
Pushrod Adjustment
Carb Quick Guide
Cam Specs & Overview
Engine Owners Manuals
Engine Serial Number Lookup
MK136 Support
Dealer Center
Dealer Locator
Special Order Forms
Become a Dealer / Application
MAP Policy
Catalogs
S&S Dealer Portal
Exhaust Catalyst Warranty Form
Race Request Forms
Catalogs
UTV
Racing
Giveaway
Search
0
Search
Search
MK-Series B Crankcases
for M8 Softail Models
SHOP NOW
MK136 Engine
for Oil-Cooled M8 Touring Models
SHOP NOW
Compensator Ramp for Harley-Davidson® M8 Models
Shop Now
Billet Head Breather Kit for '17 & Up M8 Models
Shop Now
Billet Fuel Rail for M8 Touring and Softail Models
Shop Now
Qualifier 2-1 Exhaust Systems
Shop Now
Cam Chest Kits Without Cams
Shop Now
"A Passion For Speed...
A History of Proven Performance"
OUR HISTORY
4 PERFORMANCE STEPS
INTAKE & EXHAUST
SHOP NOW
CAMS & PUSHRODS
SHOP NOW
BIG BORE KITS
SHOP NOW
CNC PORTED HEADS & FUEL SYSTEM UPGRADES
SHOP NOW
.jpg?sfvrsn=0 "enter to win an MK136")
