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ATV Parts Catalog > ATV Engine Accessories

Polaris Offset Ignition KeyPolaris Offset Ignition Key Ref: ATV-OFFSETKEY
  • Advance the timing curve for up to 2 hp gain
  • More advance may raise engine temp. Watch piston & plug reading or EGT and compensate accordingly
  • Better throttle response, mid-range and top end
  • Replaces stock OEM #7721117
  • Works great in 6/7/8 Sportsman ATV's and 700 EFI Rangers  



  • ATV Offset Key
    Ref: 201-706
       $19.95
    1.5 Degree 
    0 In Stock

    CURRENTLY OUT OF STOCK

    ATV Offset Key
    Ref: 201-707
       $19.95
    2.5 Degree 
    0 In Stock

    CURRENTLY OUT OF STOCK

    ATV Offset Key
    Ref: 201-708
       $19.95
    3.5 Degree 
    7 In Stock


    K&N PowerLidK&N PowerLid Ref: KN-POWERLID
  • Replaces stock air box lid. Snaps in place with no air box modification needed.
  • Increases air flow while maintaining stock air box.
  • Designed to increase horsepower and throttle response.
  • Eliminates restrictive intake snorkels.
  • Carburetor jet selection kit included if required.
  • Washable and reusable K&N filter element
  • Dyno tested
    NOTE: The K&N PowerLid is desinged for air flow management only. Do not use without the primary air filter fitted to the intake system. Not intended for use in water or muddy conditions.  



  • K&N PowerLid Ref: HA-4099-T
    -HONDA TRX400EX 1999-06 

    1 In Stock
       $116.95

    K&N PowerLid Ref: HA-4504-T
    -HONDA TRX4050R 2004-05 

    1 In Stock
       $134.95

    K&N PowerLid Ref: SU-4002-T
    -KAWASAKI KFX400 2003-06 and
    -SUZUKI Z400 Quadsport 2003-06 

    1 In Stock
       $98.95

    K&N PowerLid Ref: YA-6601-T
    -YAMAHA YFM660 Raptor 2001-05 

    1 In Stock
       $113.95

    K&N PowerLid Ref: YA-3502-T
    -YAMAHA YFZ350 Banshee 1987-06 

    1 In Stock
       $116.95

    K&N PowerLid Ref: YA-4504-T
    -YAMAHA YFZ450 2004-06 

    1 In Stock
       $101.95


    Flow-Rite Intake Kits Ref: 14-FLOWRITE
    Eliminate air intake restrictions by installing the Flow-Rite in the dash or intake tract for more air box feed. The Flow-Rite is supplied with a powder snow pre-filter that repels snow and water, yet passes air right through. Sold individually. These 2 are made using a rubber flange to attach the Flow-Rite to the surface that it is being installed in. This rubber flange conforms itself to a wide variety of contoured, shaped and textured surfaces for a universal mounting system. 


    Flow-Rite Intake Kits

    Flow-Rite Intake Kit Ref: 14-189
    2 1/2" ID x 3 5/8" OD (Required Hole Size = 3 1/8") 

    35 In Stock
       $20.95

    Flow-Rite Intake Kit Ref: 14-194
    2" ID x 2 11/16" OD (Required Hole Size = 2 3/8") 

    13 In Stock
       $20.95


    Flow-Rite Intake KitFlow-Rite Intake Kit Ref: 14-197
    Same as Flow-Rite Intake Kit above except this one is designed for ease of installation on flat or nearly flat surfaces. It requires a 2 1/2" size hole saw which is readily available from any hardware store. Installatin is a snap: hole saw the hole (2 1/2" hole required), debur the edges, clean hole saw shavings and snap Flow-Rite into place. 2" ID x 2 3/4" OD. Sold individually. 

    3 In Stock
       $20.95


    PowAirTM Intake Vents Ref: POWAIR-VENT
  • Low cost design for a cheaper alternative to the competition
  • 100% digestable materials
  • Intake screen for debris protection
  • Plastic construction prohibits icing and sticking
  • Easy hole-saw installation
  • Extremely low cracking pressure ensures the engine does not bog
  • The 3 inch vent has nearly 2x the flow volume as the competition (the 2 inch is comparable)  


  • PowAirTM Intake Vents

    PowAir Vent
    Ref: 201227
       $10.95
    2" Vent 
    15 In Stock

    PowAir Vent
    Ref: 201228
       $13.95
    3" Vent 
    12 In Stock


    TPI Valve Low BoyTPI Valve Low Boy Ref: LOWBOY
    The TPI Valve is designed to increase air flow into your air box and carburetors. This is one of the fastest and easiest ways to increase performance. The patent pending TPI Valve is totally adjustable, allowing you to determine exactly how much to increase air flow. We call this "air jetting". Air passing through the TPI Valve is filtered by an internal filter in the TPI Valve. Easy to use and install, the Low Boy is 2 5/8" square and mounts flush on the airbox. One valve recommended per 200cc. Sold individually.  



    Low Boy
    Ref: 201-215
       $18.95
    BLACK 
    6 In Stock


    BullsEye Air IntakesBullsEye Air Intakes Ref: 201-224
    D&D's Bullseye Air Intakes are great for any air box; snowmobile or ATV. The principle is simple: more air = more power. Just drill a 1 1/2" hole and press in for more air flow. In most cases, adding performance parts such as pipes, reeds or big bores makes the stock air box insufficient. By adding the Bullseye Air Intakes, you can greatly improve air flow. The intakes come in a package of six. Available in black only. 

    9 In Stock
       $40.95


    Three Bond Liquid Gasket Ref: 265-191
    ThreeBond 1194 is a semidrying liquid gasket whose major component is special synthetic rubber. After it is applied and dried, it will form a rubber-like elastic body. Since it excels in padding property, it shows a high sealing effect on bonded surfaces that have poor flatness and large clearance. In addition, it has excellent resistance to water, oil and gasoline. 

    63 In Stock
       $9.95
    Three Bond Liquid Gasket

    ATV Parts Catalog > ATV Engine Accessories

    Hi-Performance Engineering - 823 Lowell Drive - Thief River Falls MN 56701 USA - (218) 681-2390


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