Hi-Performance Engineering
Buy Online - the best way to buy

Home Up Catalog Info Search View Cart Checkout Send Mail Login

Items Ordered:, Cart Value:
Quick search 

Dalton Pro Clutch Weights
TEAM Industries Billet Weights
Lightning Clutch Weights
Heavy Weights
Heavy Hitters
QACA - Quick Adjust Cam Arms


Grinding BlockGrinding Block(Reference #211-325)
Custom grind your own cam arms. A must for all racers. Holds three arms so they can be ground the same. For Polaris, Comet and Arctic Cat 

0 In Stock
  $22.00

Sold Out For The Season

Clutch Weight Guide Pin Tool(Reference #725-182)
This is a tool for anyone who frequently change Comet, Arctic Cat or Polaris weights that utilize side shims. A common problem can be getting the clutch weight and side shims aligned and installing the allen bolt without dropping a shim into the belly pan. 1/4" 
Instructions for Use
2 In Stock
  $5.95

Clutch Weight Guide Pin Tool


Cam Arm Bushing PunchCam Arm Bushing Punch(Reference #725-013)
Custom designed and manufactured for HPE. The handiest tool ever for cam arm bushing removal and installation. Each end of the tool is designed for one operation. Simply tap bushing punch with a soft face or dead blow hammer. Made of stainless steel. 

81 In Stock
  $10.95


Cam Arm Bushing(Reference #354-107)
Replacement bushing for Comet, Arctic Cat, Polaris, Dalton, Lightning Weights, Heavy Weights and Team Billet cam arms. Sold individaully. 

106 In Stock
  $5.40
Cam Arm Bushing


Gram ScalesGram Scales(Reference #GRAMSCL)
  • Advanced microprocessor for accurate weighing
  • Rugged ABS housing
  • Lock-switch for safe transportation
  • Large LCD display
  • Simple 3-key operation with external one-button calibration
  • Five weighing modes: g, lb, oz, dwt, ozt
  • .1 to 1.0 gram graduation
  • Included 9 volt battery
  • Low battery, overload and underload indicators with auto shutoff  
    ECON Series Instructions

  • Gram Scale
    (Reference #725-184)
      $99.95
    210 gram capacity 
    3 In Stock

    Gram Scale
    (Reference #725-188)
      $124.95
    410 gram capacity 
    3 In Stock

    Optional AC Adapter
    (Reference #725-187)
      $21.50
    AC Adaptor 
    0 In Stock


    Thunder Shift Kit - Patented(Reference #200-TSK)
  • LOW COST ADJUSTABLE CLUTCH WEIGHTS
  • Patented weight distribution method takes the guesswork out of clutching
  • Designed for lower horsepowered sleds which need lighter weight
  • Fully adjustable in low, mid and top end with resolution as fine as 0.4 grams
  • Bushed weight sets are gram matched with base weight approximately 40 grams
  • ISR stock legal for Arctic cat, Polaris and Yamaha
  • Complete with tuning components and easy to understand tuning manual 




  • Thunder Shift Kit - Patented
    Thunder Shift Kit
    (Reference #200-980)
      $94.95
    Polaris, Comet & Arctic Cat*
    (*39.0 - 60.0 gram range) 
    11 In Stock

    Thunder Shift Kit
    (Reference #200-982)
      $142.95
    Yamaha YXR 
    1 In Stock


    Yamaha Weight Conversion KitYamaha Weight Conversion Kit(Reference #815-509)
    With this kit you can use Polaris, Arctic Cat or Comet cam arms in your Yamaha clutch. Switching gives you a larger selection of cam arms to pick from. Kit includes custom bushings, pins and nuts. 

    3 In Stock
      $33.95


    Home Up Catalog Info Search View Cart Checkout Send Mail Login


    Buy Online - the best way to buy