WINDSHIELDS & FAIRINGS AUDIO, COMMUNICATION & MOUNTS SADDLEBAGS & LUGGAGE SEATS & SISSY BARS FUEL/AIR SYSTEMS EXHAUST TRANSMISSION & DRIVELINE ENGINE GASKETS & SEALS LIGHTING ELECTRICAL HANDLEBARS, CONTROLS &MIRRORS CABLES TANKS & OIL FILTERS BRAKES DASHES & GAUGES FENDERS & LICENSE PLATE FRAMES HARDWARE, COVERS & GENERAL FRAMES & SUSPENSION FOOTRESTS & FLOORBOARDS WHEELS & AXLES All part numbers in BLUE are new for the OldBook. SECTION 7 274 See FATBOOK For Late Model Applications DISCLAIMER: SEE PAGE 5 FOR IMPORTANT INFORMATION REGARDING CERTAIN WARRANTY AND EMISSION CONTROL REGULATION COMPLIANCE AND NOISE REGULATION INFORMATION. REPLACEMENT PISTONS • OEM-quality cast-aluminum alloy construction • Pistons come complete with wrist pins and keepers (sold in pairs) • Available in various compression ratios • Kits include two pistons, wrist pins and clips • Rings are not included (suggest using Hastings rings, sold separately) PART # DESCRIPTION 1340CC FOR 84-99 EVOLUTION BIG TWIN (8.5:1 RATIO, 3.498” BORE) DS-750739 Std. DS-750740 .005” DS-750741 .010” DS-750742 .020” DS-750743 .030” 1200CC HIGH COMPRESSION FOR 48-80 BIG TWIN (8.5:1 RATIO, 3.4375” BORE) DS-750701 0.010” DS-750702 0.020” DS-750703 0.030” DS-750706 0.060” PART # DESCRIPTION 1340CC HIGH COMPRESSION FOR 78-84 BIG TWIN (8:1 RATIO, 3.498” BORE) DS-750721 .010” DS-750722 .020” DS-750723 .030” DS-750724 .040” 1340CC LOW COMPRESSION FOR 78-84 BIG TWIN (7.2:1 RATIO, 3.498” BORE) DS-750731 .010” 1000CC HIGH COMPRESSION FOR 72-85 XL (9:1 RATIO, 3.1875” BORE) DS-750751 .010” 96” BIG BORE KIT • Cylinders are constructed from premium aluminum castings with cast-in iron liners • Kit includes cylinders, pistons, rings and gaskets (head, base and exhaust) • Black powdercoat finish • Made in the U.S.A. NOTE: This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications. NOTE: Requires crankcase boring for installation. PART # DESCRIPTION 0931-0670 For 84-99 Evolution Big Twin (35/8” bore, 45/8” stroke, 9.75:1 compression ratio w/stock heads)
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