BOLD MAGENTA part numbers are new for 2026 PISTON & PISTON KITS PARTS-UNLIMITED.COM OFFROAD | 2026 PISTON & PISTON KITS 1413 HIGH-PERFORMANCE PISTONS continued on next page. 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 # KTM 2-STROKE (CONT) 450 EXC Racing/MXC/XC-W 03-07 89 448 89 STD - 0910-1674 - CW20 - - 12:1 Compression x ArmorGlide skirt coated. 72 Cylinder boring and replating required for oversizes. 450 EXC Racing/MXC/XC-W 03-07 89 448 89 STD - - - CW20 - - 13.5:1 Compression x ArmorGlide skirt coated. 72 450 EXC/XC-F/XC-W 12-16 95 449 89 - 0903-1145 0910-3927 - - 0913-0012 - 11.8:1 Stock Compression x 63.4 KTM 4-STROKE 250 EXC-F 14-16, SX-F/XC-F 13-15, XCF-W 13-16 78 250 78 STD - 0910-3166 - - - - 13.9:1 Compression 250 SX-F/XC-F x OE Compression 250 EXC-F/X CF-W 52.3 250 EXC-F 17-22 78 250 78 STD - 0910-3166 - - - - 14.5:1 Compression x 52.3 250 EXC-F 24, SX-F 23-25 81 250 81 STD - 0910-6911 - - - - 14.4:1 Compression x ArmorGlide skirt coated. 48.5 250 SX-F 06-12, 250 XC-F/XCF-W 07-13 76 249.5 76 STD - 0910-0846 - - - - 12.8:1 Std. Compression x ArmorGlide skirt coated. 55 250 SX-F 06-12, 250 XC-F/XCF-W 07-13 76 249.5 76 STD - 0910-0848 - - - - 13:1 High-Compression x ArmorGlide skirt coated. 55 350 EXC-F 12-16, Freeride 12-17, XC-F/XCF-W 12-15 88 350 88 STD - 0910-2897 - CW18 - - 12.3:1 Stock Compression x ArmorGlide skirt coated. 57.5 350 EXC-F 12-16, Freeride 12-17, XC-F/XCF-W 12-15 13:1 High-Compression 88 350 88 STD 0903-1140 - - CW18 - - x 57.5 350 EXC-F 20-24 88 350 88 STD - - - CW18 - - 13.5:1 Compression x ArmorGlide skirt coated. 57.5 350 SX-F/XC-F 11-15 88 350 88 STD - 0910-2894 - CW18 - - 14.5:1 High-Compression x 57.5 350 SX-F/XC-F 11-22 88 350 88 STD - - - CW18 - - 13.5:1 Compression 11-15 x 14:1 Compression 16-22 57.5 ArmorGlide skirt coated. 450 EXC-F 17-20 95 449 89 - - 0910-3927 - - 0913-0012 - 11.8:1 Stock Compression x 63.4 450 EXC-F 20-21 95 450 95 STD - 0910-6928 - - - - 12.75:1 Stock Compression x 63.4 450 EXC-F 20-21 95 450 95 STD - 0910-6929 - - - - 13.5:1 Stock Compression x 63.4 450 SX-F 23-25 95 450 95 STD - 0910-6921 - - - - 13.1:1 Compression x ArmorGlide skirt coated. 63.4 450 SX 03-06, 450 XC 06 95 449 95 STD - - 0912-0134 CW20 - - 12:1 Compression x Cylinder boring and replating required for oversizes. 63.4 450 SX 03-06, 450 XC 06 95 449 95 STD - 0910-0785 0912-0134 CW20 - - 13:1 Compression x 97 2.0 - - 0912-0133 Cylinder boring and replating required for oversizes. 63.4 450 SX-F 07-12, XC-F 07-10 97 449 97 STD - 0910-0850 0912-0133 - - - 12.5:1 Compression x ArmorGlide skirt coated. 60.8 450 SX-F 07-12, XC-F 07-10 97 449 97 STD - 0910-0851 0912-0133 - - - 13.5:1 Compression x ArmorGlide skirt coated. 60.8 HIGH-PERFORMANCE PISTONS (CONT)
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