ENGINE body accessories handlebar & grips cables & levers engine fuel & intake carriers & racks plows & implements frame & chassis utv accessories bumpers & winches electrical & ignition clutch brakes drive steering & suspension bearings tires & wheels chemicals tools & shop exhaust 592 www.autodist.com | 207-942-6769 MODEL YEARS DISP INTAKE LIFT INTAKE LOBE CENTER INTAKE DURATION INTAKE VALVE LASH EXHAUST LIFT EXHAUST LOBE CENTER EXHAUST DURATION EXHAUST VALVE LASH PART # POLARIS CONTINUED Sportsman 450 EPS ZUG 2016 450cc Cam chain tensioner conversion kit: This kit converts the Polaris OEM hydraulic cam chain tensioner to a mechanical automatic cam chain tensioner: Eliminates both the fear of jumping cam timing and excessive top end noise notorious in the Polaris 570/900/1000 engines: Completely automatic tensioner that requires no adjustments 833924 139.05 Sportsman 450 EPS ZUG 2016 450cc Steel exhaust valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833896 41.56 Sportsman 450 EPS ZUG 2016 450cc Upgrade shim conversion kit: Adjust engine valve clearance using commonly available 9.48mm shims rather than costly Polaris shim buckets: Diamond Like Carbon (DLC) coated for durability and performance: Includes 8 buckets and 8 retainers: For use with OEM valves, springs, camshafts and aftermarket high performance camshafts: Requires use of 9.48mm valve shims not included 872090 319.95 Sportsman 450 HD 2006 450cc Steel exhaust valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833899 57.17 Sportsman 450 HD 2006 450cc Steel intake valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833901 41.56 Sportsman 450 HD 2x4 2018-2019 450cc Silent chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: 834994 51.82 Sportsman 450 HO 2016 450cc Cam chain tensioner conversion kit: This kit converts the Polaris OEM hydraulic cam chain tensioner to a mechanical automatic cam chain tensioner: Eliminates both the fear of jumping cam timing and excessive top end noise notorious in the Polaris 570/900/1000 engines: Completely automatic tensioner that requires no adjustments 833924 139.05 Sportsman 450 HO 2016 450cc Steel exhaust valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833896 41.56 Sportsman 450 HO 2016 450cc Steel intake valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833900 30.12 Sportsman 450 HO 2016 450cc Upgrade shim conversion kit: Adjust engine valve clearance using commonly available 9.48mm shims rather than costly Polaris shim buckets: Diamond Like Carbon (DLC) coated for durability and performance: Includes 8 buckets and 8 retainers: For use with OEM valves, springs, camshafts and aftermarket high performance camshafts: Requires use of 9.48mm valve shims not included 872090 319.95 Sportsman 450 HO 2017-2020 450cc Silent chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: 834994 51.82 Sportsman 450 HO 2x4, MD 2016 450cc Silent chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: 871940 48.84 Sportsman 450 HO 2x4, MD 2016 450cc Steel exhaust valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833896 41.56 Sportsman 450 HO 2x4, MD 2016 450cc Upgrade shim conversion kit: Adjust engine valve clearance using commonly available 9.48mm shims rather than costly Polaris shim buckets: Diamond Like Carbon (DLC) coated for durability and performance: Includes 8 buckets and 8 retainers: For use with OEM valves, springs, camshafts and aftermarket high performance camshafts: Requires use of 9.48mm valve shims not included 872090 319.95 ACE 500 2017-2019 500cc Silent chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: 834994 51.82 ATP 500 4x4 2004 500cc Steel exhaust valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833899 57.17 ATP 500 4x4 2004 500cc Steel intake valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833901 41.56 ATP 500 4x4 2004-2005 500cc Roller chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: . 833907 72.06 Big Boss 500 6x6 2001 500cc Roller chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: . 833907 72.06 Big Boss 500 6x6 1998-1999 500cc Steel intake valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833901 41.56 Big Boss 500 6x6, INTL 2002 500cc Roller chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: . 833907 72.06 Magnum 500 4x4 1999-2003 500cc Steel intake valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833901 41.56 Magnum 500 4x4 2000-2002 500cc Roller chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: . 833907 72.06 Magnum 500 4x4 2001-2003 500cc Steel exhaust valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833899 57.17 Outlaw 500 2006-2007 500cc Silent chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: 871938 54.04 Outlaw 500 2006-2007 500cc Stage 1 exhaust cam: Excellent mid-range to top-end power increase: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Uses stock decompression mechanism: Some assembly required 10.70 100.00 235.00 0.250 870385 279.95 Outlaw 500 2006-2007 500cc Stage 1 intake cam: Excellent mid-range to top-end power increase: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 10.70 106.00 241.00 0.150 870384 279.95 Predator 500 2003-2007 500cc Silent chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: 871938 54.04 Predator 500 2003-2007 500cc Stage 1 exhaust cam: Excellent mid-range to top-end power increase: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Uses stock decompression mechanism: Some assembly required 10.70 100.00 235.00 0.250 870385 279.95 Predator 500 2003-2007 500cc Stage 1 intake cam: Excellent mid-range to top-end power increase: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately 10.70 106.00 241.00 0.150 870384 279.95 Ranger 500 2x4 2019,2021 500cc Silent chain: Exclusive heat-treatment of links creates excellent friction and impact resistance: 834994 51.82 Ranger 500 2x4 2004-2007 500cc Steel exhaust valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833899 57.17 Ranger 500 2x4 2004-2007 500cc Steel intake valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833901 41.56 Ranger 500 2x4 2006-2009 500cc Stage 1 cam: Improved torque in the bottom 1/2 of the RPM range. Almost no loss in high RPM power: Uses stock valve springs and rockers: Single-cam engine: Supplied with decompression mechanism 8.51 105.00 219.00 0.150 8.51 105.00 219.00 0.150 871014 249.95 Ranger 500 2x4 2006-2009 500cc Stage 2 cam: Improved peak torque and increased mid-range to top-end horsepower with no loss on low-end torque: Uses stock valve springs and rockers: Single-cam engine: Supplied with decompression mechanism 8.51 107.00 223.00 0.150 8.51 106.00 223.00 0.150 871015 259.95 Ranger 500 2x4 Built After 1-15-07 2007 500cc Steel exhaust valve: Forged: Precision machined: Nitride coated: Compatible with OEM keepers and retainers: 833899 57.17 HOT CAMS CAMSHAFTS & COMPONENTS CONTINUED
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