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Owen Developments Vauxhall VXR Bolt-On K04 Upgrades (Mk. 5 Astra VXR/Zafira VXR, Z20 LEH)
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Owen Developments

Owen Developments Vauxhall VXR Bolt-On K04 Upgrades (Mk. 5 Astra VXR/Zafira VXR, Z20 LEH)

Part Number: 53049880049H2, 53049880049H3, 53049880049HTA
Manufacturer: Owen Developments
Product Use(s): Fast Road, General Use, Motorsport
Product Type: Turbocharger
  • Product Description

Owen Developments offer three stages of turbo upgrade to Vauxhall 2.0L turbo engines as fitted to the Mk. 5 Astra VXR and Zafira VXR. These upgrades are based on genuine Borg Warner K04 turbos and the standard VXR exhaust manifolds making these turbos bolt-on units.

All power figures given are approximate and assuming there are no other upgrades on the engine.

Stage 1 <310bhp

  Owen Developments designed and manufactured 360° thrust bearing kit for increased reliability and allowing for increased boost levels

  Turbine and Compressor wheels balanced to a higher tolerance than standard

Stage 2 <310bhp

  Cut back turbine blades to improve exhaust gas flow at high engine load

  Owen Developments designed and manufactured 360° thrust bearing kit for increased reliability and allowing for increased boost levels

  Turbine and Compressor wheels balanced to a higher tolerance than standard

Stage 3 300-330bhp

The same specification as Stage 2, with the exception of;

  K06 Billet Compressor Wheel

  Re-profiled compressor cover to capitalize on the fitment of the K06 wheel

Stage 4 330-350bhp

The same specification as Stage 2, with the exception of;

  Lightweight HTA Billet Aluminium Compressor Wheel with an advanced aerodynamic profile for unrivalled transient response and efficiency, available in red, blue, gun metal and silver

  65mm Compressor Wheel Exducer

  Re-profiled compressor cover to capitalize on the fitment of the HTAwheel

  Forge Motorsport Actuator and Recirculation Valve

 

Owen Developments recommend
Murray Hose Clamps

 

 

 

 

 

enquire about Owen Developments Vauxhall VXR Bolt-On K04 Upgrades (Mk. 5 Astra VXR/Zafira VXR, Z20 LEH)
 
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Owen Developments Ltd
28 Kingston Business Park
Kingston Bagpuize
Oxford
Oxfordshire
OX13 5AS

t: 01865 821062
w: www.owendevelopments.co.uk
e: enquiries@owendevelopments.co.uk
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