BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | ATV/UTV PISTON & PISTON KITS PISTON & PISTON KITS 1080 REPLACEMENT PARTS FITS MODEL DESCRIPTION CYL. PART # GASKET PART # ARCTIC CAT DVX400 (all) 04-08 Standard bore kit 0931-0139 - +4 mm big bore kit - 0934-1527 HONDA TRX450R 04-05 Standard bore kit 0931-0138 - +3 mm big bore kit - 0934-1526 TRX450R/ER 06-14 Standard bore kit 0931-0165 - TRX700X 08-09 Standard bore kit 0931-1014 - +3 mm big bore kit - 0934-2139 KAWASAKI KFX400 03-06 Standard bore kit 0931-0139 - +4 mm big bore kit - 0934-1527 Teryx4 750/800 12-21 Standard bore kit, front 0931-1024 - Standard bore kit, rear 0931-1025 - Brute Force 750 05-23,Teryx 750 08-13 Standard bore kit, front 0931-0505 - Standard bore kit, rear 0931-0506 - +6 mm big bore kit - 0934-3135 POLARIS ACE 570 15-19 +5 mm top-end gasket kit - 0934-6343 Ranger 570 4x4 EFI/Crew 4x4 EFI 14-22 +5 mm top-end gasket kit - 0934-6343 RZR 570 EFI 12-22 +5 mm top-end gasket kit - 0934-6343 Sportsman 570 EFI 14-22 +5 mm top-end gasket kit - 0934-6343 Ranger 700 05-09 Standard bore kit 0931-0604 - Sportsman 700 04-08 Standard bore kit 0931-0604 - Ranger 800 08-17 Big bore kit 0931-0604 - Ranger 800 11-17 (standard high-compression gasket kit) Big bore kit 0931-0617 - RZR 800 08-14 Big bore kit 0931-0604 - Sportsman 800 05-10 (standard high-compression gasket kit) Big bore kit 0931-0617 - Sportsman 800 05-15 Big bore kit 0931-0604 - Ranger 900 Crew 14-16, XP 900 (all) 15-16 Standard bore kit 0931-0733 - Sportsman ACE 900 16 Standard bore kit 0931-0733 - Sportsman ACE 900 16-19 +5mm big bore kit - 0934-4062 RZR 900 11-14 Standard bore kit 0931-0656 - RZR 900 15-16 Standard bore kit 0931-0733 - RZR 900 16-19 Standard bore kit 0931-0605 - RZR 4 900 15-16 Standard bore kit 0931-0733 - Ranger XP 900 11-14 +5 mm big bore kit - 0934-3138 General 1000 17-21, Ranger 1000 18-21, Ranger XP/Crew 1000 17-21, RZR XP/4 1000 17-21 Standard bore kit 0931-0730 - RZR XP 1000 14-18, General 1000 EPS 16 Standard bore kit 0931-0605 - SUZUKI LT-Z400 QuadSport Z (all) 03-13 Big bore kit 0931-0139 - LT-Z400 QuadSport Z 03-14 +4 mm big bore kit - 0934-1527 LT-R450 QuadRacer 06-09 Standard bore kit 0931-0166 - +2.5 mm big bore kit - 0934-1701 CYLINDERS AND CYLINDER KITS (CONT) FITS MODEL DESCRIPTION COMPRESSION RATIO PART # YAMAHA YFZ450 04-13 Standard bore kit (95 mm) 12:1 0931-0287 Standard bore high-compression kit (95 mm) 13:1 0931-0304 +3 mm big bore 478cc kit 12:1 0931-0425 YFZ450R/X 09-21 Standard bore kit (95 mm) 12.1 0931-0376 Standard bore high-compression kit (95 mm) 13:1 0931-0377 +3 mm big bore 478cc kit 12:1 0931-0378 YFM700F Grizzly 07-13 Standard bore kit (102 mm) 9.2:1 0931-0374 +3 mm big bore 727cc kit, cast iron sleeve 9.2:1 0931-0375 YFM700F Grizzly 14-15, 19-23 Standard bore kit (102 mm), cast iron sleeve 10.1:1 0931-0606 +3 mm big bore 727cc kit, cast iron sleeve 10.1:1 0931-0608 YFM700R Raptor 06-14 Standard bore kit (102 mm) 9.2:1 0931-0379 Standard bore high-compression kit (102 mm) 11:1 0931-0305 +3 mm big bore 727cc kit, cast iron sleeve 9.2:1 0931-0380 YFM700R Raptor 700 15-23 Standard bore kit (102 mm) 9.2:1 0931-0653 Standard bore high-compression kit (102 mm) 11.1:1 0931-0654 +3 mm big bore 727cc kit, cast iron sleeve 9.2:1 0931-0655 YXR700F Rhino 08-13 Standard bore kit (102 mm) 9.2:1 0931-0374 +3 mm big bore 727cc kit, cast iron sleeve 9.2:1 0931-0375 YXM700 Viking 14-23 Standard bore kit (102 mm), cast iron sleeve 10.1:1 0931-0606 +3 mm big bore 727cc kit, cast iron sleeve 10.1:1 0931-0608 CYLINDER KITS (CONT)
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