1986-2012 Sportster® & Buell - S&S Cycle

S e ction 4: 1986-2012 Sportster® & Buell ®S&S ®Parts forTwin Cam 96 /103 2007-2012Parts forTwin Cam 88 ®1999-2006SUPER STOCK ® CYLINDER HEADSFOR 4" BORE S&S ENGINESEquipped with a modified "bathtub" style combustion chamber, these heads weredesigned for use with a flat topped piston, special S&S cylinders, and wide S&Scrankcases. With a large squish area, these heads create more combustion chamberturbulence, resulting in increased flame travel, fuel efficiency, and reduced detonation.Parts forEvolution ®1984-1999FITMENT• SB-Series for Harley-Davidson® Sportster® 1986-‘90• SB-Series for Buell® 1994-‘02Parts forSportster ® & Buell ®1986-2012Parts forVintage Engines1926-1984PERFORMANCEPARTSFEATURES 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 castingsKIT CONTENTS• 2 fully assembled cylinder heads with S&S .640" lift springs• Threaded plugs to seal compression release holes if no compression releases are usedParts forX-Wedge®2007-2012Parts forVictory®, Off-road& MetricRacingProductsS&S® SUPER STOCK® HEAD KITS for 4" Bore S&S EnginesApplicationFinishNaturalBlack1986-'90 Sportster 106-2194 106-22261994-'02 Buell® 106-2297 106-2309Special Order* 90-1328**Use this special order part number to order assembled or unassembled cylinder heads with springoptions, special finish. Download the Special Order Form at sscycle.com/soformsNOTE:Due to expanded stud pattern, these heads will not fit on stock Sportster® Evolution® engines.Extra parts needed4" bore pistons (see page 4-21)Gasket Kit (see below)Tools & ShopSuppliesReplacement parts on page 4-58.Warranty &Company PolicyDealer Services& Promo ItemsOEM Cross ReferenceAppendix & IndexGasket Kit For S&S® 4" Bore Heads ............................90-19094-26Order toll free 866-244-2673