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 SECTION 7 All part numbers in BLUE are new for the OldBook. 403 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”. DESCRIPTION PISTON KIT PART # REPL. RINGS PART # FOR 84-99 EVOLUTION 1340CC 80 CU. IN. (FLAT TOP) X-RING PACKAGE (8.5:1 COMP./9.5:1 COMP. W/ SCREAMIN’ EAGLE HEADS) Std. 0903-1576 3497X 0.010” 0903-1577 3507X 0.020” 0903-1578 3517X 0.030” 0903-1579 3527X DESCRIPTION PISTON KIT PART # REPL. RINGS PART # FOR 84-99 EVOLUTION 1340CC 80 CU. IN. (DOMED TOP) X-RING PACKAGE (10:1 COMP.) 0.020” 0903-1582 3517X 0.030” 0903-1583 3527X TRACKER™ SERIES PISTON KITS •Forged piston crown with generous valve pockets for big valves and cams •Precision-fit rings selected for each application for ultimate sealing •Force-fed pin oiling provides enhanced lubrication of the piston pin •Pressure seal groove reduces ring lifting and power loss • ArmorGlide® skirt coating reduces friction, providing quieter operation and improving scuff resistance •Value-packaged with two pistons, rings, piston pins and circlips •Made in the U.S.A. BORE REPLACEMENT RINGS # FOR 48-84 88” BIG BORE BIG TWIN (3.625” BORE/4.250” STROKE) (USE LOCK RINGS PART #0913-0001) Std. (3.625”) DS-750861 BORE 9:1 COMP PISTON # REPLACEMENT RINGS # FOR 41-79 74” BIG TWIN Std. (3.437”) DS-751201 DS-750820 +0.010” DS-751203 DS-750821 +0.020” DS-751204 DS-750822 +0.030” DS-751205 DS-750823 +0.040” DS-751206 DS-750824 +0.050” DS-751207 DS-750825 +0.060” DS-751208 DS-750826 +0.070” - DS-750827 +0.080” - - BORE 8.2:1 COMP. PISTON # REPLACEMENT RINGS # FOR 72-85 1000 XL Std. (3.188”) - DS-750810 +0.010 DS-751218 DS-750811 +0.020 DS-751219 - +0.030 DS-751220 DS-750813 +0.050 - DS-750815 BORE 8.3:1 COMP PISTON # REPLACEMENT RINGS # FOR 78-84 80” BIG TWIN (4.250” STROKE) (USE LOCK RINGS PART #0913-0001) Std. (3.498”) DS-751258 DS-750830 +0.010” DS-751260 DS-750831 +0.020” DS-751261 DS-750832 +0.030” DS-751262 DS-750833 +0.040” DS-751263 DS-750834 BORE 10.5:1 COMP. PISTON # 9.6:1 COMP. PISTON # 8.6:1 COMP. PISTON # REPLACEMENT RINGS # FOR 84-99 EVOLUTION BIG TWIN (USE LOCK RINGS PART #0913-0001) Std. (3.498”) DS-751247 DS-751265 0910-2016 DS-750840 +0.005” DS-751248 DS-751266 DS-751242 DS-750653 +0.010” DS-751249 DS-751267 DS-751243 DS-750841 +0.020” DS-751250 DS-751268 DS-751244 DS-750842 +0.030” DS-751251 DS-751269 0910-2017 DS-750843 +0.040” DS-751252 0910-2019 0910-2018 DS-750843 PART # DESCRIPTION 0913-0001 Piston lock ring (4 pk.) 0903-1578 DS-751248 KB PERFORMANCE HYPEREUTECTIC PISTON KITS •Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy •Allows a tighter fit and longer piston and ring life •Diamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (0.0005”) tolerances from piston to piston •Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings •Replacement piston rings and piston lock rings available separately NOTE: KB pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal. Please read instructions included with piston for correct piston clearance. NOTE: Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation. NOTE: Each replacement ring PART # denotes rings for two pistons, except 48-84 Big Bore kits, which require two sets.
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