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Uprated Recirculation Valves
and Actuators

Uprated Recirculation Valves for Z20LEx and Z16LEx

Uprated Turbosmart Recircultaion Valve Turbosmart: Turbosmart Kompact Shortie Series Recirculation Valves have been specifically designed to suit BorgWarner EFR and KKK turbos.

Unlike the standard, plastic valves that use un-reinforced rubber diaphragms and are known to crack or split under increased boost, the new BW/KKK Kompact valves uses an O-Ring sealed piston which, coupled with their billet aluminium construction give them over 30PSI of boost handling capability using a single spring and increased reliabity over the factory valve..
Designed as a bolt-on direct replacement replacement for the factory valve on all BorgWarner EFR, KKK turbos, the Kompact Shortie Plumb Back provides better boost response and greater boost handling capability.
Features and Benefits:
  • Machined from Billet Alluminium.
  • Lightweight, brass/aluminium, two-piece piston.
  • More Reliable than the factory valve.
  • Substancial Construction.
  • Improved Boost Responsive.
  • Single Spring - No Requirement to Change when Tuning.
  • Finish: Anodised Black as shown.
Included with each Kompact Shortie kit is:
  • 1 x Model Specific Valve
  • 1 x Straight Nipple
  • 1 x Banjo Nipple
  • 3 x Mounting screws
For any KKK K03/K04/K06 2.0 Z20LEx Turbo (inc VXR) model - Astra G, Zafira A, Astra H, Zafira B, VX220

Turbosmart Recirculation Valve .... £108.00 Buy Now Click Here!
Forge: Designed as a direct replacement for the OE recirculation valve fitted in the K03 Z16LEx, K04 Z16LEx and Z20LEx and K06 turbochargers.The OE valve (which is located in the side of the turbo) is prone to failure becuase it has a rubber diaphragm which can split or tear causing loss of boost. This can occur when standard but more so when the engine has been tuned or had an upgrade to the engine management software.

This replacement valve is machined from alloy, so has no internal components that can fail in the same way as the OEM recirculation valve is complete and ready to install with no fitting kit required. It is available with 3 spring choices depending upon the state of tune of the engine.

Green Spring - For Standard Cars/Standard Boost.

Yellow Spring - For mapped/tuned cars running higher boost.
Uprated Recircultaion Valve
Blue Spring - Hybrid+ Turbo

Additional Springs available if required.

For any KKK 1.6 Z16LEx and 2.0 Z20LEx Turbo (inc VXR) model - Astra G, Zafira A, Astra H, Zafira B, Corsa D, VX220

Alloy Recirculation Valve .... £122.50 Buy Now Click Here!

Dump Valve Fitting information
2.0 Turbo Z20LEx

Dump Valve Fitting information
1.6 Turbo Z16LEx

Silicone Dump Valve Fitting Hose - Astra H and Zafira B Turbo Z20LEx

Dump Valve Take Off Hose and Dump Valve This dump valve fitting hose is a direct replacement 3 ply reinforced Silicone Hose with Dump Valve Take Off suitable for fitting a Twin Piston Dump Valve to an Astra/Zafira VXR or Astra H/Zafira B 2.0 Turbo. It replaces the hose the is located between the map sensor pipe and the plenum. Available in Black, Blue and Red (Orange, Green, Yellow or Purple to special order).

Silicone Dump Valve Take-Off Hose - £57.85 

Dump Valve Take Off Hose - Astra H 1.6 Turbo

3 ply silicone dump valve take off hose (Map Sensor to Plenum) for 1.6 Turbo Models available separately at £57.85 Buy Now Click Here!

Image right shows Dump Valve Take Off Hose (1.6 Turbo Model.). When installed Courtenay Sport logo is visible on top of the hose.
Dump Valve Take Off Hose - 1.6 Turbo

Silicone Dump Valve Fitting Hose - Corsa D Turbo Z16LEx

Corsa VXR Engine Bay and Silicone Hose Silicone Hose for dump valve fitment. Made from 4-ply reinforced silicone hose material. Available in Blue, Red, Black (Orange, Green, Yellow or Purple to special order). For Corsa 1.6 VXR and SRi Turbo

Silicone Dump Valve Take-Off Hose - £57.85 Buy Now Click Here!

Image Shows Dump Valve Take-Off Hose and Dump Valve on Right.

Dump Valve Fitting For Astra G and Zafira A Turbo

For Astra G and Zafira A models, an 'Astra H' Style Intercooler to Plenum Set up with lightweight aluminium transfer pipe complete with a Dump Valve Take Off spiggot. Kit consists of intercooler outlet hose, alloy joiner pipe and dump valve fitting hose.

Image shows the set up with the DV take-off.

Price: £102.20 with DV Take Off Fitting Buy Now Click Here!
Intercooler to Plenum Silicone Hose Set Up with DV Take Off

Uprated Turbosmart Actuator and Bracket - Z20LEx

Courtenay Sport, working with Turbosmart, after extensive testing have selected a Turbosmart uprated internal wastegate actuator for a range of Vauxhall/Opel applications. Offering smoother boost delivery, better turbo response and greater sensitivity when managing boost pressures, they are also designed to allow higher boost levels to be sustained especially through the mid range as they are less susceptible to exhaust backpressure, for increased power and torque for Stage 3 mapping on Astra H and Zafira B VXR.
With the ability to alter the internal springs, spring pressure can be altered to suit a range of applications and boost demands, which also helps to take some of the guesswork out of setting up your actuator.
Supplied at 10psi break off pressure. Other springs are availble to suit from 7psi - 26psi static break off pressure.
Designed as direct replacement item and suitable for all Z20LEx inc Z20LEH applications. Suitaible for all Z20LEH KKK K04/K06 turbochargers.

FEATURES:
  • Silicone diaphragm with Nomex reinforcement to withstand high temperatures.
  • High grade, billet aluminum construction.
  • Stainless steel rod for corrosion resistance.
  • Locking Collar design cap allows for spring changes to alter actuator pressure.

Our heavy duty stainless steel bracket will make for easy fitment as no drilling or cutting is required. If you already have our bracket these actuators will fit.

Fits directly onto the KKK K04/K06 turbo units used on Astra H and Zafira B VXR and Astra G and Zafira A 2.0 Petrol Turbo. Will require ecu remapping to allow higher boost to be run.

Suits 2.0 Turbo Z20LEx applications. 10psi Turbosmart Actuator Ideal for cars mapped from 270-340bhp on K04/K06 turbochargers.

NOTE: If you already have a 10psi Turbosmart actuator, the internal springs can be altered to suit any required change in actuator pressure if required when mapping. No need to change the complete actuator.
Uprated 10PSI Actuator and Stainless Bracket £168.00
Uprated 10PSI Actuator (No Bracket) £120.00
Other Springs Available to suit a range of static pressures from 7psi-26psi. Springs £27.50 each 3psi springs in stock
Replacement Diaphragms also available. Please contact us.
Replacement Actuator Spring
Replacement Actuator Spring
Replacement Actuator Diaphragm
Replacement Actuator Diaphragm

Uprated Actuator and Bracket - Z20LEx

A well proven but slightly less expensive option to the Turbosmart actuator, however these actuators have fixed range of pressure operation and cannot have the springs changed internally to alter the pressure so are slightly less versatile than the Turbosmart actuators.
Courtenay Sport uprated wastegate actuators are designed to allow higher boost levels to be sustained through the mid range for increased torque for ZLET/LEL/LER/LEH KKK turbochargers. They have a higher static break-off pressure of 12-14psi compared to a factory actuator. Our heavy duty stainless steel bracket will make for easy fitment as no drilling or cutting is required. Fits directly onto the KKK turbo units used on Astra and Zafira VXR. Will also fit garrett units with modification. May require modified software to allow higher boost to be run.

Can be used with Z20LEH engines running 285-300+ bhp, Stage 3 on Z20LEH Astra H and Zafira B VXR and Stage 4 Astra G/Zafria A Turbo.
Uprated Actuator and Stainless Bracket £147 including VAT.
Uprated Actuator (No Bracket) £93 including VAT.

Also available an uprated actuator with 8-10psi break off pressure for use as a direct replacement for a standard VXR actuator

Uprated Actuator 8/10psi and Stainless Bracket £147 including VAT.
Uprated Actuator 8/10psi (No Bracket) £93 including VAT.
Actuator Bracket Available Separately £54.00

© Copyright Courtenay Sport Ltd


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Courtenay Sport Vauxhall Tuning
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 Vauxhall Tuning

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