1926-1984 Vintage Models - S&S Cycle

S e ction 5:Flathead Power ® by S&S ®Parts forTwin Cam 96 /103 2007-2012Parts forTwin Cam 88 ®1999-2006Parts forEvolution ®1984-1999Parts forSportster ® & Buell ®1986-2012Parts forVintage Engines1926-1984Parts forX-Wedge®2007-2012PERFORMANCEKITSP-Series EnginesFor 1948-’99 ChassisFlathead Power P-Series engines have the look of vintage panhead engines, but have modernfeatures and technology for more power and reliability. High compression 93" and 103"engines come with dual plugged heads.FITMENTSeveral versions are available:• 1948-'64 stock chassis with tin primary – 4 rib gearcover and domed timer cover• 1965 stock chassis electric start with alloy primary – flat side gearcover and flattimer cover (will fit 1966-’69 chassis)• 1970-’99 Alternator/generator and alternator custom versionsFeatures and benefits• Vintage vibe – Modern muscle• Natural crankcases and stock-looking silver powdercoated cylinders• S&S hydraulic valve train with roller rocker arms• S&S billet timer and S&S Super Stock single fire ignition system• 1948-'64 and 1965 models have correct length sprocket shaft for stock primary andtransmission• Alternator and alternator/generator models have correct sprocket length sprocketshaft for 1970-up primary and transmission• Alternator/generator engines include oil filter mount for generator location• 1966-'84 exhaust systems• 1966-'84 intake ports with o-ring inlets• Two-year warrantyOptions• 74", 93", 93" high compression, and 103" displacements• Stock style generator, alternator/generator, or alternator crankcases1926-1984 Vintage ModelsBy popular demand, S&S® offers the Flathead Power®alternator style P93 engines. The same great engine,but in an alternator style crankcase. The polished billetgearcover is standard.This P103 alternator/generator enginefeatures the early style 4 rib gearcover anddomed ignition timer. Alternator/generatorengines come with an oil filter adapterbracket to mount an oil filter to the generator.This 1966 style P93 engine features the periodcorrect flat side gearcover and flat toppedignition timer.Parts forVictory®, Off-road& MetricRacingProductsTools & ShopSuppliesFlathead power® P-Series Engine SpecificationsEngine Displacement Bore Stroke Carb CamsPistonTypeP74 74" 37⁄16" 331⁄32" Super E S&S 513S&SForgedP93 93" 35⁄8" 41⁄2" Super E S&S 585S&SForgedP93H 93" 35⁄8" 41⁄2" Super E S&S 600S&SForgedP103 103" 35⁄8" 5" Super G S&S 600S&SForgedCompressionRatio7.5:18.5:19.1:19.7:1Dealer Services& Promo ItemsWarranty &Company PolicyOEM Cross ReferenceAppendix & Index5-16This dyno run shows an alternator/generator engine in a custom chassis. Midrange dip is the result ofthe stock style underframe "squish" pipe. Better pipes will result in more midrange torque. This builderwas willing to sacrifice some performance for style.Order toll free 866-244-2673Complete Carbureted Flathead power® P-Series EnginesApplication Style Warranty P74 P93 P93H P103H1948-64 Chassis Generator310-0224 – – –1955-’64 Chassis Generator – 106-0819 106-0822 106-08251965-’69 Chassis Generator 2 Years– 106-0820 106-0823 106-0826Custom 1970-’99Alternator – 106-2685 106-2696 –Alternator/Generator – 106-0821 106-0824 106-0827Specify 319-0003P93H and P103 engines come with dual plugged cylinder heads. Alternator and alternator/generator engines require transmission with 1970-up length main shaft and custom exhaust.1955-’64 style engines may be installed in 1948-’54 chassis if 1955-’64 inner primary tin cover is used. Not legal for sale or use on CA or EPA pollution controlled vehicles 1978 and later.CTOComplete Engine Rebuild Gasket KitsEngine Family Year Group Bore Size Part NoP-Series/SH-Series 1948-’84 35/8" 106-0408