BOLD MAGENTA part numbers are new for 2024 PARTS-UNLIMITED.COM 2024 | ATV/UTV ENGINE & COOLING 1058 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. FITS MODEL BORE SIZE PART # SUG. RETAIL POLARIS Ranger 800 10 Std. 0903-1687 $1,143.72 Ranger 800 EFI/Crew 11-14 Std. 0903-1690 1,143.72 Ranger 800 EFI 6x6 11-16 Std. 0903-1690 1,143.72 RZR 800 EFI 08-10 Std. 0903-1687 1,143.72 RZR S/4 800 11-14 Std. 0903-1696 1,143.72 +.01mm 0903-1697 1,143.72 +.02mm 0903-1698 1,143.72 Sportsman 800 6x6 11-14 Std. 0903-1690 1,143.72 Sportsman 800 EFI Non-H.O 05-10 Std. 0903-1687 1,143.72 Sportsman EFI Non-H.O 11-14 Std. 0903-1690 1,143.72 Sportsman 800 EFI 6x6 09-10 Std. 0903-1687 1,143.72 Sportsman X2 800 EFI 07-09 Std. 0903-1687 1,143.72 ENGINE REBUILD KITS •Complete rotating and reciprocating rebuild kit including crankshaft assembly, main bearings and seals, pistons and components and a complete engine gasket kit •All components were developed through extensive research and development on Pro-X in-house engine dyno •Crankshafts come completely assembled using Maxima® assembly lube and are inspected in-house for proper dimensions and trueness •Connecting rods feature proprietary design done in-house, and are forged, heat-treated and shot-peened for ultimate tensile strength and reduced stress risers •Connecting rods include graded bearings in the big end to ensure proper clearance, as well as a bronze bushing in the small end, both improving longevity and performance •Pistons are cast from OEM-grade alloy and feature MoS2 skirt coating and hard-anodized crown and ring grooves for improved performance and wear resistance through reduced friction and improved heat resistance FITS MODEL PART # SUG. RETAIL HONDA TRX450R 04-05 0903-1586 $550.95 FITS MODEL PART # SUG. RETAIL HONDA (CONT) TRX450R/ER 06-14 0903-1587 $550.95 FITS MODEL PART # SUG. RETAIL SUZUKI LT-Z400 03-18 0926-3290 $550.95 TOP END SERVICE KITS •These kits give your ATV a performance boost •Kits include all necessary parts for a complete top end service/rebuild: pistons, piston rings, piston pins, gaskets, valves and valve springs •Pistons fully machined from 2618 aluminum alloy with a performance skirt coating •Black Diamond™ or White Diamond™ engine valves (depending on application) •Lightweight racing valve springs kit with titanium valve spring retainers, dual springs and H.T. steel base washers (springs are suitable for use with high-performance cams) • All necessary gaskets, seals and O-rings included •Sold as a complete kit NOTE: The pistons, rings, valve and pin clips in this kit are designed to work together as a system.They are NOT compatible with OEM components and should ONLY be used with components in the kit. 0903-1586 0903-1687
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