S&S Cycle

3-1/2" AND 3-5/8" SUPER STOCK ® CYLINDER HEADS FITMENT • 1986–’03 Harley-Davidson® Sportster® • 1994–’02 Buell® (heads require S&S Super stock pistons)

FEATURES AND BENEFITS • Machined with a stock bolt pattern • Larger, more open combustion chamber presents less resistance to air flow around the valves • 2.000" intake valves and 1.605" exhaust valves • Special "cast-to-shape" intake ports with a special directional fin for improved air flow • Precision CNC machined from heat treated aircraft quality aluminum castings KIT CONTENTS • Complete head assembly in Natural orWrinkle Black with valves and S&S .650" lift springs

REPLACEMENT PARTS: SEE PAGE 288

ASSEMBLED S&S® SUPER STOCK® HEAD KITS Application

Natural

Wrinkle Black

1991–'03 Sportster® models 90-1810 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE NATIONWIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT 90-1310

THESE KITS REQUIRES SPECIAL S&S PISTONS AND GASKETS. Order the required piston oversize and gaskets from the charts below.

35/8" FORGED PISTON KITS FOR S&S® SUPER STOCK® HEADS Oversize Low Compression +0.010" 92-1081 Piston kits include set of pistons, rings, wristpins, and clips. Recommended piston fit: Close: 0.0023"- 0.0025" Loose: 0.0035"- 0.0045"

FOR COMPRESSION RATIOS AND CYLINDER KITS SEE PAGE 258

31/2" BORE FORGED PISTON KITS FOR S&S® SUPER STOCK® HEADS (10.5:1 COMPRESSION) Oversize Deck Height Part # Standard 1.1875" 92-2016 +0.010" 92-2017 +0.020" 92-2018 Piston kits include set of pistons, rings, wristpins, and clips. Recommended piston fit: Close: 0.0025" -0.003" Loose: 0.0030"-0.0040"

GASKET KITS FOR S&S® SUPER STOCK® CYLINDER HEADS Bore Size

Part #

90-1907 90-1908

31/2" 35/8"

90-1907

272 Order 608-627-1497 S&S Late Models 1999–up