Engine

S&S Cycle #90-4095 - Die Cast Rocker Box - Evolution

Chrome Rocker Boxes Positive O-ring seal ensures leak-free operation Can be installed with the stock engine in the frame in most applications Include rocker boxes, gaskets and mounting bolts Assembler must supply rocker shafts and rocker arms for all...

S&S Cycle #90-4110 - Die Cast Rocker Box - Twin Cam

Chrome Rocker Boxes Positive O-ring seal ensures leak-free operation Can be installed with the stock engine in the frame in most applications Include rocker boxes, gaskets and mounting bolts Assembler must supply rocker shafts and rocker arms for all...

S&S Cycle #90-4914 - Replacement Electric Compression Release Assembly

Replacement Electric Compression Release Assembly Electric compression releases open when you press the start button and close when the button is released Includes replacement compression assembly, Deutsch connector, orange connector wedge, black vinyl...

S&S Cycle #90-9500 - Top End Gasket Kit - 3.500" - Shovelhead

Gasket Kit Contains the best quality gaskets Made in the USA Top-end gasket kit do not include rocker box gaskets; must be purchased separately.

S&S Cycle #90-9501 - Top End Gasket Kit - 3-5/8" - Shovelhead

Gasket Kit Contains the best quality gaskets Made in the USA Top-end gasket kit do not include rocker box gaskets; must be purchased separately.

S&S Cycle #90-9502 - Top End Gasket - 3-5/8" Super Stock - EVO Big Twin

Top End Gasket Kit Includes set of head and base gaskets, exhaust gaskets and O-rings Layered steel head gaskets Made in the U.S.A. Kit does not include rocker box gaskets; must be purchased separately.

S&S Cycle #90-9504 - Top End Gasket Kit - 3-7/8" Super Stock - Twin Cam

Gasket Kit Contains the best quality gaskets Made in the USA Top-end gasket kit do not include rocker box gaskets; must be purchased separately.

S&S Cycle #90-9506 - Top End Gasket Kit - 4-1/8" - EVO Big Twin

Gasket Kit Contains the best quality gaskets Made in the USA Top-end gasket kit do not include rocker box gaskets; must be purchased separately.

S&S Cycle #90-9507 - Top End Gasket Kit - 3.5" - EVO Big Twin

Gasket Kit Contains the best quality gaskets Made in the USA Top-end gasket kit do not include rocker box gaskets; must be purchased separately.

S&S Cycle #900-0349 - Cylinder Heads - 91 cc - Super Stock™ - Twin Cam

91 cc Super Stock® Cylinder Heads Designed specifically for S&S® T-Series T2 long block engines for Harley Davidson® big twins and engines with S&S® 4-1/4" bore Hot Set Up installed 2.000" intake and 1.605" exhaust valves coupled with S&S® ports,...

S&S Cycle #900-0354 - 106" Hot Set Up® Kit - 3.967" Bore - Wrinkle Black - Twin Cam

106" Hot Set Up® Engine Performance Kit Increased fin area for better heat dissipation Increase bore size from 3.750" to 3.927" 4.375" stroke, 10.0:1 compression with stock heads Easy installation; no machining or rebalancing required Forged coated...

S&S Cycle #900-0564 - 124" Hot Set Up® - Big Bore/Stroker - Wrinkle Black - 88A Twin Cam

124" Hot Set Up® Engine Performance Kit For non-balanced Twin Cam models Converts a stock engine to 124" using the stock crankcases Include S&S Super Stock® 91 cc cylinder heads , 4.125” bore cylinders, forged big bore flattop pistons, S&S 4.625”...

S&S Cycle #900-0565 - 124" Hot Set Up® - Big Bore/Stroker - Wrinkle Black - 88B Twin Cam

124" Hot Set Up® Engine Performance Kit For balanced Twin Cam models Converts a stock engine to 124" using the stock crankcases Includes S&S Super Stock® 91 cc cylinder heads, 4.125" big bore cylinders, forged big bore flattop pistons, S&S 4.625"...

S&S Cycle #900-0568 - 124" Hot Set Up® - Big Bore/Stroker - Wrinkle Black - 96/103/110A Twin Cam

124" Hot Set Up® Engine Performance Kit For non-balanced Twin Cam models Converts a stock engine to 124" using the stock crankcases Include S&S Super Stock® 91 cc cylinder heads , 4.125” bore cylinders, forged big bore flattop pistons, S&S 4.625”...

S&S Cycle #900-0569 - 124" Hot Set Up® - Big Bore/Stroker - Wrinkle Black - 96B/103B/110B Twin Cam

124" Hot Set Up® Engine Performance Kit For balanced Twin Cam models Converts a stock engine to 124" using the stock crankcases Includes S&S Super Stock® 91 cc cylinder heads, 4.125" big bore cylinders, forged big bore flattop pistons, S&S 4.625"...

S&S Cycle #900-0593 - Springs - .585" - Twin Cam

Street Performance Valve Spring Kit Kit Includes 4 springs, 4 top spring collars, 4 .030" Shims, 4 .015" Shims, 4 bottom spring collars, 4 pairs of valve keepers (halves)

S&S Cycle #900-0594 - Springs - .585" - Twin Cam

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 #900-0797 - Top Mount - T143

T143 Top Engine Mount Bracket Fits in stock chassis, no cutting or frame modifications necessary. B3 cylinder heads CNC-machined with two-bolt exhaust flanges. Super Stock™ T2 crankcases with reed breather valve three-piece flywheels. TC3 oil pump and...

S&S Cycle #900-0798 - Top Mount - T143

T143 Top Engine Mount Bracket Fits in stock chassis, no cutting or frame modifications necessary. B3 cylinder heads CNC-machined with two-bolt exhaust flanges. Super Stock™ T2 crankcases with reed breather valve three-piece flywheels. TC3 oil pump and...

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...