BOLD MAGENTA part numbers are new for 2023 PARTS-UNLIMITED.COM 2023 | ATV/UTV PISTON & PISTON KITS 892 DESCRIPTION PART # SUG. RETAIL HONDA TRX450ER 06-14 0931-0884 $328.20 DESCRIPTION PART # SUG. RETAIL HONDA (CONT) TRX450R 06-09 0931-0884 $328.20 CYLINDER HEAD KIT • New replacement cylinder head • Includes cam caps and cam cap bolts • Includes C630 (nickel/aluminum/bronze) valve seats and guides • Competition valve job • Shortened valve guides to accept higher lift cams • Unshrouded combustion chamber • Blended bowl seat to port • Stock-shaped ports • Does not include valves, springs or lifters • Made in the U.S.A. FITS MODEL CC BORE SIZE (MM) COMP. RATIO KIT PART # SUG. RETAIL POLARIS 570 +1MM BIG BORE KIT (CAST IRON-LINED CAST CYLINDER, PISTON AND GASKET KIT) ACE 570 15-19 585 100 10.0:1 0931-0697 $399.95 Ranger 570, Ranger Crew 570 14-22 585 100 10.0:1 0931-0697 399.95 RZR 570 12-22 585 100 10.0:1 0931-0697 399.95 Sportsman 570 14-23 585 100 10.0:1 0931-0697 399.95 Sportsman Touring 570, X2 570 15-23 585 100 10.0:1 0931-0697 399.95 POLARIS 570 +5MM BIG BORE KIT (NSC-PLATED CAST CYLINDER, PISTON AND GASKET KIT) ACE 570 15-19 625 104 10.2:1 0931-0699 449.95 Ranger 570, Ranger Crew 570 14-22 625 104 10.2:1 0931-0699 449.95 RZR 570 12-22 625 104 10.2:1 0931-0699 449.95 Sportsman 570 14-23 625 104 10.2:1 0931-0699 449.95 Sportsman Touring 570, X2 570 15-23 625 104 10.2:1 0931-0699 449.95 POLARIS 800 +5MM BIG BORE KIT (NSC-PLATED BILLET CYLINDER, PISTON AND GASKET KIT) Ranger 800 10-14 868 85 10.75:1 0931-0705 1,495.00 RZR 800, RZR S 800 09-14 868 85 10.75:1 0931-0705 1,495.00 RZR 4 800 11-14 868 85 10.75:1 0931-0705 1,495.00 Sportsman 800 05-14 868 85 10.75:1 0931-0705 1,495.00 POLARIS 900 +5MM BIG BORE KIT (NSC-PLATED BILLET CYLINDER, PISTON AND GASKET KIT) ACE 900 16 972 98 11.0:1 0931-0701 1,495.00 Ranger Crew 900 14-16 972 98 11.0:1 0931-0701 1,495.00 Ranger XP 900 13-16 972 98 11.0:1 0931-0701 1,495.00 RZR 900 15-16 972 98 11.0:1 0931-0701 1,495.00 RZR 4 900 15-16 972 98 11.0:1 0931-0701 1,495.00 RZR XP 900 11-14 972 98 11.0:1 0931-0701 1,495.00 RZR XP 4 900 12-14 972 98 11.0:1 0931-0701 1,495.00 M-SPEC BIG BORE KITS • Complete bolt-on Big Bore Kits for ultimate strength, durability and power • Polaris 570 kits and Yamaha Raptor 700 kits use a Nickel Silicon Carbide (NSC)-plated cast cylinder • Polaris 800, 900 and 1000 kits use a closed deck NSC cylinder that is CNC-machined from billet 6061 aluminum • Includes purpose-built, state-of-the-art, high-performance forged piston kit with rings, tool steel wrist pins and locks • Comes with complete gasket kit • Made in the U.S.A. 0931-0697 0931-0701
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