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 dragspecialties.com All part numbers in BLUE are new for the OldBook. SECTION 7 416 See FATBOOK For Late Model Applications DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 5-7 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. FOR 57-85 XL PART # YEAR HEAD DIA. STEM DIA. TULIP LENGTH NOTES OEM # INTAKE DS-198975 70-85 1.935” 0.3090” 23° 3.615” Std. 18070-70 0926-0788 70-85 1.950” 0.3090” 23° 3.690” Std. 18069-65 (Racing) 0926-0787 70-85 2.000” 0.3090” 23° 3.615” Oversize - DS-198962 57-69 1.825” 0.3095” 23° 3.565” Std. 18071-58 EXHAUST DS-198976 70-85 1.570” 0.3384” 29° 3.510” Std. 18080-58R 0926-0783 70-85 1.750” 0.3384” 29° 3.620” Std. 18080-70R 0926-0780 70-85 1.630” 0.3384” 29° 3.510” Oversize - DS-198976 57-69 1.570” 0.3384” 29° 3.510” Std. 18080-58R 0926-0780 57-69 1.630” 0.3384” 29° 3.510” Oversize - NITRIDED VALVES (CONT) PART # DESCRIPTION FOR 66-84 BIG TWIN 0926-0128 1.950” intake valve; repl OEM #s 18075-80, 18075-81 and 18078-80, 18078-81 0926-0129 1.720” exhaust valve; repl OEM #s 18086-80, 18086-81 and 18089-80, 18089-81 REPLACEMENT VALVES •Intake valve has the stock 1.950” head dia. •Exhaust valve has 1.720” head, 0.030” smaller than stock; the smaller exhaust valve head allows higher TDC lifts without valve-to-valve interference as well as improved flow •Sold each •Made in the U.S.A. PART # DESCRIPTION FOR 89cc/91cc HEADS 2008-2910 Intake valve 2.000” 2008-2911 Exhaust valve 1.605” REPLACEMENT STAINLESS STEEL VALVES FOR S&S HEADS •Available for 89cc/9 1cc cylinder heads •89cc/91cc heads are found on S&S Evolution-style motors and use 2.000” intake valves and 1.605” exhaust valves •Made in the U.S.A. PART # DESCRIPTION 0926-3210 For 84-99 Evolution Big Twin 0926-3316 For 78-83 Shovelhead (80”) 0926-3314 For 66-77 Shovelhead (74”) PART # DESCRIPTION 0926-3310 For 48-65 Panhead 0926-3308 For 36-47 Knucklehead 0926-3212 For 84-85 XL883 PART # DESCRIPTION 0926-3208 For 70-83 XL 0926-3312 for 57-69 XL BLACK DIAMOND™ ENGINE VALVE KITS •Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™ stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listed •All valves are impregnated by a special process to a depth of 0.002” with a surface buildup of 0.0002” •This process improves wear properties, reduces friction and provides resistance to corrosion and wear PART # DESCRIPTION 0926-2056 For 84-99 Evolution Big Twin SIDEWINDER® 0.650” VALVE SPRING KIT •Includes springs, upper and lower collars and keys •For valve lift to 0.650” with 1.860”/178 lbs. installed height, 376 lbs. at max lift •Max 6500 rpm •Made in the U.S.A. PART # DESCRIPTION DS-199729 For 48-84 Big Twin HIGH-LIFT VALVE SPRING KIT •To be used with cams with up to 0.550” lift •Includes springs and aluminum top retainers •140 lbs. seat pressure •Made in the U.S.A. 0926-0128 0926-0129 •Compatible with leaded and unleaded fuels •Sold as complete kit for one engine •Made in the U.S.A. 2008-2910 2008-2911 0926-3308
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