BOLD MAGENTA part numbers are new for 2026 PISTON & PISTON KITS PARTS-UNLIMITED.COM OFFROAD | 2026 PISTON & PISTON KITS 1443 TOP-END PISTON KITS continued on next page. FITS MODEL COMPRESSION RATIO CYLINDER BORE (MM) PISTON DIAMETER (MM) DISPL (MM) PISTON VERSION TOP-END KIT PART # GASGAS MC 50 21 STD 39.50 39.47 50 Cast Replica 0910-3116 MC 65 21-23 STD 45.00 44.97 65 Cast Replica 0910-3118 MC 250 24 STD 66.40 66.34 250 Cast Replica 0910-6821 STD 66.40 66.35 250 Cast Replica 0910-6822 EC 250 24 STD 66.40 66.34 250 Cast Replica 0910-6821 STD 66.40 66.35 250 Cast Replica 0910-6822 EC 300 24 STD 72.00 71.925 300 Cast Replica 0910-6818 STD 72.00 71.935 300 Cast Replica 0910-6819 STD 72.00 71.945 300 Cast Replica 0910-6820 EX 250 24 STD 66.40 66.34 250 Cast Replica 0910-6821 STD 66.40 66.35 250 Cast Replica 0910-6822 EX 300 24 STD 72.00 71.925 300 Cast Replica 0910-6818 STD 72.00 71.935 300 Cast Replica 0910-6819 STD 72.00 71.945 300 Cast Replica 0910-6820 HONDA CR80R 92-02 STD 47.00 46.95 80 Cast Replica 0910-3360 CR85R 03-04 STD 47.50 47.45 85 Cast Replica 0910-3028 CR85R 05-07 STD 47.50 47.45 85 Cast Replica 0910-3027 CR85RB 03-04 STD 47.50 47.45 85 Cast Replica 0910-3028 CR85RB 05-07 STD 47.50 47.45 85 Cast Replica 0910-3027 CR125R 92-97 STD 54.00 53.94 125 Cast Replica 0910-3357 CR125R 98-99 STD 54.00 53.94 125 Cast Replica 0910-3358 TOP-END PISTON KITS • All pistons are heat-treated with a T-5 hardening and tempering cycle •All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life •Cast piston kits are gravity-cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston •Forged pistons are forged from 2618 aluminum for superior strength and durability •Forged High Compression pistons improve power and torque across entire rpm range •Forged Replica pistons are forged OEM replacements •Replica pistons and all rings are OEM replacements • Top-end piston kit includes piston, rings, pins, circlips, top-end gaskets, wrist pin bearing when applicable and cam chain when applicable PISTON VERSIONS Cast Replica – Cast OE replacement piston Forged Replica – Forged OE stock compression piston Forged High Comp – Forged high-compression pistons 0910-3106
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