BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | OFFROAD PISTON & PISTON KITS PISTON & PISTON KITS 1406 FITS MODEL BORE (MM) X STROKE (MM) DISPL. (CC) BORE SIZE (MM) OVER SIZES (MM) PK KIT PART # PISTON PART # REPL. RING SET PART # REPL. CIRCLIPS PART # REPL. WRIST PIN PART # TOP-END BEARING PART # HUSQVARNA 4-STROKE (CONT) FE 350 14-16 88 350 88 - - 0910-2897 - CW18 - - 12.3:1 Stock Compression x ArmorGlide skirt coated. 57.5 FE 350 14-16 88 350 88 - 0903-1140 - - CW18 - - 13:1 High-Compression x ArmorGlide skirt coated. 57.5 FE 350 20-24 88 350 88 - - - - CW18 - - 13.5:1 Compression x ArmorGlide skirt coated. 57.5 FE 350 20-24 88 350 88 - - 0910-2894 - CW18 - - 14.5:1 High-Compression x ArmorGlide skirt coated. 57.5 FC 450 14-15, FS 450 15 95 449 95 - 0903-1142 - - - - - 13.5:1 High-Compression x ArmorGlide skirt coated. 63.4 FC 450 14-22, FS 450 15-22, FX 450 17-22 95 449 95 - - 0910-6542 - - - - 12.75:1 Compression x ArmorGlide skirt coated. 63.4 FC 450 14-22, FS 450 15-22, FX 450 17-22 95 449 95 - - 0910-6930 - - - - 13.5:1 High-Compression x ArmorGlide skirt coated. 63.4 FC 450 23-25, FX 450 23-24 95 450 95 STD - - - - - 13.1:1 Compression x ArmorGlide skirt coated. 63.4 FE 450 14-16 95 449 95 - 0903-1145 0910-3927 - - 0913-0012 - 11.8:1 Stock Compression x 63.4 FE 450 14-19 95 449 95 - - 0910-3927 - - 0913-0012 - 11.8:1 Stock Compression x 63.4 FE 450 20-21 95 450 95 STD - 0910-6928 - - - - 12.75:1 Stock Compression x 63.4 FE 450 20-21 95 450 95 STD - 0910-6929 - - - - 13.5:1 Stock Compression x 63.4 FE 501 14-19 95 510 95 STD - 0910-3919 - - - - 12.5:1 High-Compression x ArmorGlide skirt coated. 72 FE 501 20-24 95 450 95 STD - 0910-6927 - - - - 12.75:1 Stock Compression x - 72 - KAWASAKI 2-STROKE KDX50 03-06 41 49 41 STD - 0910-0339 1614CD CW12 0913-0014 B1000 x 41.5 0.5 - 0910-0340 - 37.8 42 1.0 - 0910-0341 - 43 2.0 - 0910-0343 1693CD KX60 83-05 43 60 43 STD 0903-0920 648M04300 1693CD CW12 - 0924-0125 Electrofusion Bore - Cylinder sleeving or replating required for oversizes. x 43.5 0.5 - 648M04350 - 41.6 44 1.0 - - - 45 2.0 - 0910-0344 - KX65 00-24 44.5 64 44.5 STD 0903-0304 752M04450 - CW12 - 0924-0125 Electrofusion Bore - Cylinder sleeving or replating required for oversizes. x 45 0.5 - - - 41.6 46.5 2.0 0903-0514 752M04650 - KX65 00-24 44.5 64 44.5 STD - 0910-0761 - CW12 - 0924-0125 Racer’s Choice; Single Ring. x 46.5 2.0 Electra coated. Electrofusion Bore. 41.6 KX80 79-83, KDX80 80-82 48 82 48 STD - - - CW14 S-288 B1006 Electrofusion Bore - Cylinder sleeving or replating required for oversizes. x 48.5 0.5 - - 1909CD 45.8 49 1.0 - - - KX80 84-85 48 82 48 STD - 514M04800 - CW14 S-5172 B1006 x 48.5 0.5 - - 1909CD 45.8 49 1.0 - - - KDX80 83-88 48 82 48 STD - 514M04800 - CW14 S-5172 B1006 Electrofusion Bore - Cylinder sleeving or replating required for oversizes. x 48.5 0.5 - - 1909CD 45.8 49 1.0 - - - KX80 86-87 48 82 48 STD - 539M04800 - CW14 S-5172 B1006 Electrofusion Bore - Cylinder sleeving or replating required for oversizes. x 48.5 0.5 - - 1909CD 45.8 49 1.0 - - - HIGH-PERFORMANCE PISTONS (CONT) 2 Piston pin not included.
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