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Billet High Altitude Head Kit - 04-311H

  • Part #:
    147591
  • Mfg Part #:
    04-311H
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Billet High Altitude Head Kit - 04-311H

  • Part #:
    147591
  • Mfg Part #:
    04-311H
MSRP: $449.95

Price: $427.45 5% off!
Make sure this fits your ride
Item is sold out for the season

Bikeman Performance Billet High Altitude Head Kit - 04-311H
  • The Bikeman Performance Billet Head Kit gives you the best of both worlds with excellent horsepower gains and better cooling capacity
  • Our billet head kits utilize an improved squish band, new pocket design, and slightly more compression for pump gas friendly horsepower
  • High elevation heads can gain up to 20 lbs. of compression
  • High altitude gains of 10hp through the midrange and 6-8 hp peak
  • Low altitude gains of 5 HP through the midrange and 4-6 peak
  • All heads ar a great gain in low end torque


  • Increases cooling capacity
  • Better heat dissipation
  • Lower running temps
  • Increase horsepower
  • Increase torque
  • Great looks!


  • NOTE: Low elevation kits are for 0-7000 ft.; High elevation kits are for 7000+ ft.

    NOTE: Be sure to always use 91-93 Octane Premium Pump Fuel, Octane Boost can be used on questionable pump fuel

    Included Items:
    (2) Aluminum cylinder head domes
    (1) Aluminum head cover
    (2) O-rings
    Instructions
Specifications
Part #: 147591
Mfg #: 04-311H
Type Cylinder Head
Units Kit
Weight 5.75 lbs
Resources & Manuals
Fitment for Bikeman Performance Billet High Altitude Head Kit - 04-311H

Part 147591 fits the following machines

Polaris
  • Dragon 800 2010
  • Dragon 800 SP 2009
  • IQ 800 2009-2010
  • Pro RMK 800 w/155" track 2011-2013
  • RMK 800 w/144" track 2010
  • RMK 800 w/155 2009-2013
  • RMK Assault 800 2009-2013
  • RMK Dragon 800 w/155" track 2008-2010
  • RMK Dragon 800 w/155" track - Late Production 2008
  • RMK Dragon 800 w/163" track 2008-2010
  • RMK Shift 800 w/144" track 2009
  • Rush 800 2011-2013
  • Rush 800 Pro R LE 2012
  • Rush 800 Pro-R 2011-2013
  • SwitchBack 800 2009-2010, 2012-2013
  • SwitchBack 800 Pro R 2012-2013
  • SwitchBack Assault 800 2011-2013

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