Engine

S&S Cycle #320-0605 - Flywheel Assembly

Flywheel Assembly Made of high-strength forged steel and designed for stock and high-performance custom applications Special keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strength Machined with timing...

S&S Cycle #330-0620 - Cam Kit - 465C - M8

465 Cam Kit Kit includes all required bearings, o-rings, and hardware Bolt-in compatible with all stock valve train components Provides increased torque and horsepower Made in the USA

S&S Cycle #330-0641 - Camshaft Kit - 475C Chain Drive - M8

475C Chain Drive Camshaft Kit Designed for 107"/114" motors, compatible with all stock valve train components Kit includes all required bearings, o-rings, and hardware Made in the USA Kit is for a 100 HP bolt in cam (when coupled with intake and...

S&S Cycle #330-0643 - Camshaft Kit - 550C Chain Drive - M8

550 Camshaft Kit Kit includes all required bearings, o-rings, and hardware Ideal horsepower cam for 114" and larger engines Maximizes peak torque and horsepower Designed for big bore applications Made in the USA

S&S Cycle #330-0655 - Tappet Cuffs Lifter Guide - M8

Tappet Cuffs Lifter Guide Billet aluminum construction with hard anodized black coating Easy upgrade when changing tappets or doing a cam change Improve tappet stability in high lift and high rpm situations Factory tappet guides are constructed of...

S&S Cycle #330-0713 - Camshaft Kit - 540C Chain Drive - M8

540C Camshaft Kit Designed to add even more torque to your big bore M8, for those that keep the revs below 6000 rpm when combined with 124" and larger big bore kits Requires the use of adjustable pushrods and heavy duty springs (sold separately) Kit...

S&S Cycle #330-0718 - Precision Tappet Set

Precision Tappets Reduced valve train noise from start up to shut down Close tolerances for low leak down rates Fast pump up and superior high rpm performance Each Precision Lifter is hand assembled to exacting tolerances and designed for quiet...

S&S Cycle #330-0730 - Camshaft Kit - 590C - Chain Drive - M8

590C Chain Drive Camshaft Kit All-out horsepower cam for 124” and larger engines Designed specifically for use with monster bores and ported heads (not recommended for stock bore engines) Kits include all required bearings, o-rings and hardware ...

S&S Cycle #330-0737 - Cam Chain Tensioner - M8

Cam Chain Tensioner Precision-machined from 6061 billet aluminum Larger diameter piston and tighter tolerance fit for more consistent pressure Thicker pad for longer wear between service Direct chain oiling Made in the U.S.A.

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.