M8 Performance Bagger

S&S Cycle #550-0759D - 50 State 2:1 Sidewinder® Exhaust - Black

2 into 1 Sidewinder® Complete Exhaust System Increased power and torque Stainless steel stepped header construction High-flow catalytic converters Includes adapters that allow use of wide band or stock O2 sensors Machined aluminum end cap Deep...

S&S Cycle #550-0999A - 2-into-1 Diamondback Exhaust System - Stainless Steel - 50-State

2-into-1 Diamondback Exhaust System Full stainless steel exhaust system with stainless steel header pipe heat shields Oversized stepped header primary tubes for optimal flow and performance Header length helps your M-Eight motor make excellent power ...

S&S Cycle #550-1000 - 2-into-1 Diamondback Exhaust System - Stainless Steel - Race Only

2-into-1 Diamondback Exhaust System Full stainless steel exhaust system with stainless steel header pipe heat shields Oversized stepped header primary tubes for optimal flow and performance Header length helps your M-Eight motor make excellent power ...

S&S Cycle #550-1027A - 2-into-1 Diamondback Exhaust System - Guardian Black - 50-State

2-into-1 Diamondback Exhaust System Full stainless steel exhaust system with stainless steel header pipe heat shields Oversized stepped header primary tubes for optimal flow and performance Header length helps your M-Eight motor make excellent power ...

S&S Cycle #550-1028 - 2-into-1 Diamondback Exhaust System - Guardian Black - Race Only

2-into-1 Diamondback Exhaust System Full stainless steel exhaust system with stainless steel header pipe heat shields Oversized stepped header primary tubes for optimal flow and performance Header length helps your M-Eight motor make excellent power ...

S&S Cycle #900-0958 - Spring Kit - .605" - M8

Valve Spring Kit Unique S&S design dual-spring kit reduces the risk of valve float Includes springs, top and bottom collars, keeper shims and valve seals Made in the USA For valve lift with 1.800" /130 lb installed height, 325 lb at max lift.

S&S Cycle #900-1006 - Head Bolt Kit - 12-Point - M8

Head Bolt Kit Cold-formed 9/16" 12-point head with integral washer Stronger material than stock Head bolts 200,000 psi ultimate tensile strength Reusable

S&S Cycle #900-1013 - Rocker Arm Stud Kit - M8

Rocker Arm Stud Four required per engine, sold each Zinc-plated 5/16"-18, 5/16"-24 1.910" Made in the U.S.A.

S&S Cycle #900-1084 - Roller Rocker Arms - M8

Roller Rocker Arms Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability Rocker arms have .75" long bushings instead of the .50" long bushings found on most other rocker arms Feature a modified lubrication system...

S&S Cycle #900-1087 - Rocker Arm Rebuild Kit - M8

Roller Rocker Arm Rebuild Kit Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability Rocker arms have .75" long bushings instead of the .50" long bushings found on most other rocker arms Feature a modified...

S&S Cycle #900-1090 - Rocker Arm Shafts - M8

Rocker Arm Shafts Made in the U.S.A.

S&S Cycle #900-1092 - Rocker Arm Guardian Kit - M8

Rocker Arm Guardian Kit Rocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kit Rocker Arm Shafts Replace broken or worn OEM pieces with stronger, more durable S&S performance parts Direct...

S&S Cycle #910-0625 - 124" Big Bore Cylinder Kit - M8 - Black

Big Bore Cylinder Kit Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings...

S&S Cycle #910-0681 - 124" Big Bore Cylinder Kit - M8 - Black

Big Bore Cylinder Kit Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings...

S&S Cycle #910-0682 - Cylinders - 4.25" - M8 - Black - Highlighted Fins

4-1/4" Bore Cylinder - M8 Bolt-on cylinder set Bored slightly under nominal size and are not honed Made in the U.S.A.

S&S Cycle #910-0683 - Cylinders - 4.25" - M8 - Black - Non-Highlighted Fins

4-1/4" Bore Cylinder - M8 Bolt-on cylinder set Bored slightly under nominal size and are not honed Made in the U.S.A.

S&S Cycle #910-0684 - 128" Big Bore Cylinder Kit - M8 - Black

Big Bore Cylinder Kit Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings...

S&S Cycle #910-0685 - 128" Big Bore Cylinder Kit - M8 - Black

Big Bore Cylinder Kit Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings...

S&S Cycle #910-0733 - 128" Big Bore Cylinder Kit - M8 - Black Granite

Big Bore Cylinder Kit Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders (unless otherwise noted) Cylinders are constructed from premium aluminum castings...

S&S Cycle #910-0739 - Big Bore Cylinder Set - M8

Big Bore Cylinder Set Bolt on Cylinder Set For M8 Models Bored slightly under nominal size and are not honed Made in the U.S.A.

S&S Cycle #910-0762 - Cylinder & Piston Kit - 131" - Wrinkle Black with Highlighted Fins - M8

131" Stroker Cylinder and Piston Kit Huge displacement increase means huge power increase Bolt-on kit works with the stock crankcase Original engine serial numbers are retained Powder coat finish matches factory finish 045" MLS (multi-layered steel)...

S&S Cycle #910-0763 - Cylinder & Piston Kit - 131" - Wrinkle Black with Non-Highlighted Fins - M8

131" Stroker Cylinder and Piston Kit Huge displacement increase means huge power increase Bolt-on kit works with the stock crankcase Original engine serial numbers are retained Powder coat finish matches factory finish 045" MLS (multi-layered steel)...

S&S Cycle #910-0843 - 129" Big Bore Cylinder Kit - Black/Highlighted Fins - M8

Big Bore Cylinder Kit Bolt-on without requiring machining of the crankcase Original engine serial numbers are retained MLS (multi-layered steel) head gaskets Retains stock engine height Includes cam cover badge All necessary gaskets and hardware...

S&S Cycle #910-0844 - 129" Big Bore Cylinder Kit - Black - M8

Big Bore Cylinder Kit Bolt-on without requiring machining of the crankcase Original engine serial numbers are retained MLS (multi-layered steel) head gaskets Retains stock engine height Includes cam cover badge All necessary gaskets and hardware...