S&S Cycle

1986–2020 HD ® Sportster ® Models

SUPER STOCK ® CYLINDER HEADS FOR 4" BORE S&S ENGINES FITMENT • SB-Series for Harley-Davidson® Sportster® 1986–‘03 • SB-Series for Buell® 1994–‘02 FEATURES AND BENEFITS • Machined for S&S manual or electric compression releases • 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 • Machined with S&S 4" cylinder stud pattern and '86–90 S&S SA pushrod hole locations KIT CONTENTS • 2 fully assembled cylinder heads in Natural orWrinkle Black with S&S .650" lift springs • Threaded plugs to seal compression release holes if no compression releases are used

Milwaukee-Eight ®

96 ™ /103 ™ /110 ™

2007–2017 Twin Cam

106-2194

1999–2006 Twin Cam 88 ®

Sportster ® & Buell ® Indian ® Models Street Rod ™

1986–2020

SUPER STOCK® HEAD KITS FOR 4" BORE S&S ENGINES Application

Natural

106-2194 106-2297

1986–'03 Sportster® models 1994–'02 Buell® models

2014–2019 Street ® &

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

4" PISTON KITS FOR 1986–'03 HARLEY-DAVIDSON® SPORTSTER® MODELS Oversize Part # Standard 92-1420 +0.010" 92-1421 +0.020" 92-1422 Kits include a set of pistons, rings, wristpins and keepers.

92-1420

Tools & Shop Supplies

4" BORE GASKET KIT FOR 1986–'03 HARLEY-DAVIDSON® SPORTSTER® MODELS Description Part # Head, Base, and Exhaust Gaskets 90-1909

90-1909

Warranty & Company Policy

Due to expanded stud pattern, these heads will not fit on stock Sportster® Evolution® engines.

REPLACEMENT PARTS: SEE PAGE 288

Index

Appendix &

NOTE

271