ENGINE SECTION RED PART NUMBERS INDICATE NEW PARTS 6-46 1 2 3 4 5 6 7 8 9 10 11 CONTENTS REFERENCE GENERAL EXHAUST FUEL DRIVE TRAIN ENGINE WHEEL CONTROL FRONT END FRAME ELECTRICAL Pistons Replacement Piston Ring Set Replacement Year Size Kit For 1 Piston Lock Ring Pair Ironhead Sportster 1972/Later 1000cc Standard 62126 63005 –– 10:1 compression .010” O.S. 62127 63006 –– 3.188” standard bore .020” O.S. 62128 63007 –– .030” O.S. 62129 63008 –– .040” O.S. 62130 63009 –– Evolution Sportster 1986/Later 883cc Standard 62249 63016 63026 overbore to 1200cc reverse dome, 9.5:1 compression .010” O.S. 62250 63018 63026 3.497” standard bore Evolution Sportster 1986/Later 883cc Standard 62457 63016 63026 overbore to 1200cc reverse dome, .010” O.S. 62458 63018 63026 10:1 compression 3.497” standard bore Evolution Sportster 1988/2003 1200cc Standard 62460 63016 63026 domed 10.5:1 compression .010” O.S. 62461 63018 63026 3.497”standard bore Sportster 2004/2014 1200cc Standard 62462 63016 63026 10.5:1 compression .010” O.S. 62463 63018 63026 3.497”standard bore • F orged from hi-silicon aluminum alloy for superior strength and dependability. • T he unique piston shape allows tight piston to wall clearances for quieter operation. • T his shape, combined with a top quality ring package and computerized machined anti-detonation grooves, offers you the most technically advanced piston kits available. • A vailable with Hastings X style piston rings. • Designed to be used with stock stroke flywheels only. • Most Wiseco pistons are machined with valve pockets that are deeper and larger than stock. These pockets provide adequate valve clearance for most high lift cams, but as with any high performance upgrade, all clearances must be checked. • All 883cc to 1200cc overbore kits do not require cylinder head modification or flywheel re-balancing unless deemed necessary by the service technician. Note: All replacement ring sets include rings for one piston only. PISTON KITS AND REPLACEMENT RING SETS FOR SPORTSTER Piston Style Parts included in all kits
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