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Road Star Warrior Stage IV Competition Configuration
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('02-'05 Road Star Warrior) For closed-course race application only. This configuration increases torque and horsepower throughout the rpm range, with a 25% increase in peak horsepower.
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Competition Velocity Stack Set
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Billet two-piece Velocity Stacks offer the best airflow for the ultimate in performance and power output. Includes pre-filters for limited air filltration.
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Speedstar Chrome Air Cleaner Assembly
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Replace the stock air cleaner with this sleek race-inspired piece. Use with the air filter element if using the stock airbox, or remove the filter to use as a scoop to direct more air into the Competition Velocity Stacks.
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Competition Stage IV ECU
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Stave IV Performance ECU (ignition module) offers an optimized fuel/ignition map to work with higher compression ratio, increased airflow intake, and competition exhaust system. Raises maximum rpm limit to 5500 rpm.
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Competition High Flow Fuel Injector Set
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High-capacity fuel injectors (40% increase over stock) are designed to work with high-lift camshafts and the increased airflow. Fuel pressure regulator decreases fuel pressure by 20% from stock.
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Competition High-Compression Forged Piston Set
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These 10.2:1 forged pistons are designed to work with high-lift camshafts. Only 18 grams heavier than stock so no crank re-balancing is necessary. Includes stock rings, pins, and clips.
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Competition Clutch Spring
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The spring rate is 20% stiffer than the stock spring for increased clutch capacity. Reduces clutch slippage and resultant heat build-up under heavy use. Designed to handle increased power output from Stage IV configuration.
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Competition Valve Spring Set
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Designed to accomodate higher lift camshafts (up to 9.3mm lift) and up to 5500 rpm. Seat pressure is increased by 20% over stock.
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Competition Camshaft Set
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Includes both front and rear cams. Offers increased midrange and topend power from 3200 rpm up. Produces peak horsepower around 5500 rpm. Must use Competition Valve Springs with these camshafts. Uses the stock decompression mechanism for easy starting yet higher performance.
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Competition 2-1-2 MegaCone Exhaust Pipes
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Features a unique design: 1-3/4" header pipe with 2-3/8" full-coverage head shields that merge into one cone-shaped pipe then back into two exhaust outlets in one awesome looking cone. This design offers the mexiumum exhaust flow for increaesd performance, with more mid-range torque and top-end power. Heat shields are made out of a heavy-gauge steel construction, polished, and chrome-plated for an extra, rich, shiny finish. Baffles are non-removable. Complete with mounting bracket and hardware.
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Competition Stage IV Gasket Kit
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Complete kit of gaskets necessary for installation of Stage IV components.
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Speedstar Stage IV Installation Instructions
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For '02-'05 Road Star Warrior
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102 cu. in. Road Star Stage 1 Competition Configuration
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('04-'05 XV1700 Road Star) For closed-course race application only. This configuration increases torque and horsepower throughout the rpm range, with a 5% increase at the peak over stock.
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98 cu. in. RoadStar Stage 1 Competition Configuration
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('99-'03 XV1600 Road Star) For closed-course race application only. This configuration increases torque and horsepower throughout the rpm range, with a 10% increase at the peak over stock.
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102 cu.in. Road Star Stage III Competition Configuration
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('04-'05 XV1700 Road Star) For closed-course race application only. This configuration increases torque and horsepower throughout the rpm range, with up to 20% (Long Drag Pipes) or 32% (2-1-2 MegaCone Pipes) increase at the peak over stock.
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98 cu.in. Road Star Stage III Competition Configuration
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('99-'03 XV1600 Road Star) For closed-course race application only. This configuration increases torque and horsepower throughout the rpm range, with up to 50% (Long Drag Pipes) or 60% (2-1-2 MegaCone Pipe) increase at the peak over stock.
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102 cu.in. Road Star Stage II Competition Configuration
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('04-'05 XV1700 Road Star) For closed-course race application only. This configuration increases torque and horsepower throughout the rpm range, with an 8% (Long Drag Pipes) or 15% (2-1-2 MegCone Pipe) increase at the peak over stock.
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98 cu in. Road Star Stage II Competition Configuration
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('99-'03 XV1600 Road Star) For closed-course race application only. This configuration increases torque and horsepower throughout the rpm range, with an 21% (Long Drag Pipes) or 27% (2-1-2 MegaCone Pipe) increase at the peak over stock.
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102 cu.in. Road Star Stage IV Competition Configuration
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('04-'05 XV1700 Road Star) For closed-course race application only. This configuration increases torque and horsepower throughout the rpm range, with up to 24% (Long Drag Pipes) or 45% (2-1-2 MegaCone Pipes) increase at peak over stock.
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98 cu.in. Road Star Stage IV Competition Configuration
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('99-'03 XV1600 Road Star) For closed-course race application only. This configuration increases torque and horsepower throughout the rpm range, with up to 61% (Long Drag Pipes) or 85% (2-1-2 MegaCone Pipe) increase at the peak over stock.
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Competition Carburetor Jet Kit
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A premium race tuner's Jet Kit for the stock carburetor. Includes all OEM Mikuni Jets (4 mains and 2 pilots) and a specially designed Titanium Needle. Necessary for tuning with free breathing intake and exhaust systems.
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Competition Ignition Module
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This module increases the rev limit to 5500 rpm and provides increased spark energy to optimize the performance of all Speedstar kits.
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Speedstar Competition Air Filter with Speedstar Cover
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Provides increased airflow and performance. Works with stock plastic mount or Competition Billet Air Filter Backplate. Features washable high flow K&N air filter element, and chrome-plated billet cover. Includes all mounting hardware.
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Speedstar Competition Air Filter with Ball Milled Cover
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Provides increased airflow and performance. Works with stock plastic mount or Competition Billet Air Filter Backplate. Features washable high flow K&N air filter element, and chrome-plated billet cover. Includes all mounting hardware.
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Speedstar Competition Air Filter with Flamed Cover
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Provides increased airflow and performance. Works with stock plastic mount or Competition Billet Air Filter Backplate. Features washable high flow K&N air filter element, and chrome-plated billet cover. Includes all mounting hardware.
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Speedstar Competition Air Filter with "102 cu.in." Cover
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Provides increased airflow and performance. Works with stock plastic mount or Competition Billet Air Filter Backplate. Features washable high flow K&N air filter element, and chrome-plated billet cover. Includes all mounting hardware.
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Speedstar Competition Air Filter with "98 cu.in." Cover
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Provides increased airflow and performance. Works with stock plastic mount or Competition Billet Air Filter Backplate. Features washable high flow K&N air filter element, and chrome-plated billet cover. Includes all mounting hardware.
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Replacement Competition Air Filter
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Washable high-flow K&N air filter; same as filter supplied in Air Filter Kits. Fits '99-'05 Road Star models using Speedstar Competition Air Filter
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Competition Billet Air Filter Backplate
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Precision machined from 6061-T6 Billet Aluminum and black anodized. Designed to work wtih the Mikuni HSR carburetors. Moves the air filter element 1" closer to the center of the bike to allow for more rider comfort. Fits '99-'05 Road Star models using Speedstar Competition Air Filter.
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Competition Tall Air Filter
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Performance upgrade for the Speedstar Competition Air Filter. Doubles the filter area for more airflow to provide a 1.5hp increase in peak power. Use with the Speedstar Competition Air Filter's billet cover. The Competition Billet Air Filter Backplate (SPD-4WM09-47-00) is highly reccomended. Fits '99-'05 Road Star models using Speedstar Competition Air Filter.
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Competition Long Drag Pipes
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Designed to maximize exhaust flow for increased performance, with more midrange torque and higher overall power. This system features 1-3/4" header pipe with 2-3/8" full-coverage heat shields. Heat sheilds are constructed of heavy-gauge steel, and then are polished and richly chromeplated for an extra durable, shiny finish. Baffles are non-removable. Comes complete with mounting bracket and hardware.
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Competition 2-1-2 MegaCone Pipes
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Features a unique design: 1-3/4" header pipes with 2-3/8" full-coverage head shields that merge into one pipe then back into two exhaust outlets in one awesome cone-shaped pipe. This design offers the maximum exhaust flow for increased performance, with more mid-range torque and top-end power. Heat shields are constructed of heavy-gauge steel, polished and richly chrome-plated for an extra durable, shiny finish. Baffles are non-removable. Complete with mounting bracket and hardware.
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Competition Mikuni HSR Flatside Carburetion
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Exceptional throttle response and drivability. Works with stock throttle cables. Includes all mounting brackets and additional jets to tune for optimal performance at the track.
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Competition CNC-Ported Cylinder Heads
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CNC-ported on 5-axis machine for precise repeatability. After porting, the heads recieve a SERDI valve job to help ensure the best airflow. Airflow is improved by 47.5% over stock when flowed with Competitiion Intake Manifold and 42mm HSR carburetor. Heads are built with stock valve train. Available in Silver Finish for Road Star and Black Powder-Coat Finish with polished fin edges for Midnight Star. Fits '99-'03 Road Star models.
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Competition High-Compression Forged Piston Set
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These 10.25:1 forged pistons come with deeper valve pockets to work with high-lift camshafts. Only 2 grams heavier than stock so no crank re-balancing is necessary. Special rings are included to work with chrome bore. Also includes pins and clips.
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Competition High-Flow Intake Manifold
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High-flow intake manifold designed to work wtih either the 42mm or 45mm HSR Flatside Carburetor Heads. Molded of rubber with steel insert like original equipment to allow for engine vibration and thermal expansion. Flow is increased over the stock manifold.
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Competition High-RPM Oil Pump Gear Assembly
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Offers increased durability for high rpm operation. Required for use on XV1600 engines with Stage III or IV configuration. Fits '99-'03 Road Star models.
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Competition Camshaft Set
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Includes both front and rear billet cams made from billet for exceptional durability, which uses the stock decompression mechanism for easy starting, yet high performance. Offers increased mid-range and top-end power from 3200 rpm up. Produces peak horsepower around 5500 rpm.
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Competition Adjustable Chrome-Moly Pushrod Set
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Strong and rigid for reduced flexing and greater valve train control. Designed to be used with roller lifters. Includes four adjustable chrome-moly pushrods.
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Competition Dual Valve Spring Set
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Competition Roller Lifter Set
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Roller Lifters incorporate a unique axle, roller, and bearing design that increases durability and stability of the lifters. Designed to work with high-lift Competition Camshaft. Requires the use of Competition Adjustable Pushrods, Competition Lifter Blocks, and Competition Pushrod Tubes.
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Competition Pushrod Tube Set
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Billet Tubes are polished and chromeplated. These are shorter in length and are designed to work with Competition Lifter Blocks.
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Competition Lifter Block Set
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Lifter Blocks are precision machined from 2024-T4 aluminum to work in high-performance applications. Designed to work with Competition Roller Lifters and Competition Camshafts. Available in silver powdercoat finish for Road Star and chromeplated finish for Midnight Star. Fits '99-'03 Road Star models.
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Competition Clutch Spring
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Offers increased clutch capacity. Reduces clutch slippage and resultant heat build-up under heavy use.
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Competition Gasket Kits
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Speedstar Installation Instructions for Road Star Models
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