1984-1999 BIG tWINS - S&S Cycle

1984-1999 BIG TWINSS&S ®SPECIAL APPLICATION CRANKCASESFITMENT• 1984-’99 big twins – 4" bore and over• S&S 4", 41/8", 43/8" bore V-Series enginesFEATURES AND BENEFITS• Cam chest is moved outward .250" to allow crankcases to handle large cylinder bore sizes• Relocated cam chest oil pick-up increases gear case scavenging and virtually eliminates oilcarry-over at sustained high rpm• Machined to accept the stock oil filter assembly used on 1992-’99 big twins• A ported breather passageway and a machined breather window allows the air/oil mist to flowfrom the flywheel cavity to the cam chest of the engine with the least possible restriction• Crankcase venting can be achieved via two crankcase breathers, the cylinder heads, orboth! We recommend using both crankcase breathers in engines larger than 95"• Clearanced for strokes as long as 5"• Machined for installation of a crank position sensor. This allows the cases to be used in EFIapplications and also allows easy installation of S&S IST® Ignition and VFI Fuel Injection. Aplug kit is included for applications that do not use a crank position sensorKIT CONTENTS• Crankcase assembly• All required hardware, fittings, and bearingsNOTE31-0033REPLACEMENT Parts on page 3-98All S&S crankcases manufactured after June 1, 2008 do not have caseinterlock groove and ring and do not use case alignment studs. Casemating surface is flat, and cases are aligned with alignment dowels.S&S® SPECIAL APPLICATION ALTERNATOR CRANKCASES FOR 1984-'99 BIG TWINCrankcase Style Bore Deck Height Natural MSRPWBlack MSRPPolished1992-'99* 4"31-0047 USA TÜV 2 5 $1,384.95 31-0051 USA TÜV 2 5 $1,509.95 31-0067 USA TÜV 2 56.000"1984 -'91 4 1/8" 31-0033 USA TÜV 3 6 $1,429.95 31-0037 USA TÜV 3 6 $1,554.95 31-0039 USA TÜV 3 6Special Order Specify Specify 31-0015** Call for Pricing 31-0015** Call for Pricing 31-0015*** 1992-'99 style oil pump, machined for 1984-'99 alloy primary, machined for stock or S&S EFI crank position sensor. Stock diameter only.** Special Order: Download the Special Order Form at sscycle.com/soformsMSRP$1,884.95$1,929.95Call for PricingPERFORMANCEPARTSParts forTwin Cam 96 /103 2007-2012Parts forTwin Cam 88 ®1999-2006Parts forEvolution ®1984-1999Parts forSportster ® & Buell ®1986-2012Parts forVintage Engines1926-1984Parts forX-Wedge®2007-2012Parts forVictory®, Off-road& MetricRacingProductsTools & ShopSuppliesDealer Services& Promo ItemsWarranty &Company PolicyVisit us at www.sscycle.comOEM Cross ReferenceAppendix & Index3-27