Product Details
- Easy boost increase without the need for electronic boost controller.
- No check engine light if boost increase is 10kPa over standard boost levels.
- Large diameter diaphragm enables stable boost levels and turbo spool up is improved increasing lower rpm torque.
- Turnbuckle type rod end enables adjustment without removal of the actuator.
- New purple anodised design accents engine bay.
About HKS Wastegate
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The GT Wastegate, which would handle large displacement, high boost situations with relative ease is now available in a lightweight more compact design with all the performance of the previous version. The compact design gives more space and freedom within the engine bay for layout and piping whilst the V band flanges allow for easy fitment and removal for maintenance. Available in 2 valve sizes, 50 and 60mm to suit a wide range of turbochargers. With 4 springs for the 60mm and 3 springs for the 50mm, multiple combinations can be used to acquire the exact boost you're your application
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| 60 Valve |
- Utilising the same 60mm valve as the GT Wastegate, the same valve lift and flow capacities are maintained whilst making the whole unit more compact.
- Weight is reduced from 2,246g in the GT Wastegate down to 1509g
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- 58.8~98.1kPa(0.6~1.0kgf/cm2)
- 88.3~127.5kPa(0.9~1.3kgf/cm2)
- 127.5~166.7kPa(1.3~1.7kgf/cm2)
- 166.7~205.9kPa(1.7~2.1kgf/cm2)
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| 50 Valve |
- Utilising the same 50mm valve from Special Racing Wastegate, a more compact design has allowed a lightweight unit which does not compromise on performance
- Weight is reduced from 1,890g in the Special Racing Wastegate down to 1443g?
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- 78.5~107.9kPa(0.8~1.1kgf/cm2)
- 107.9~137.3kPa(1.1~1.4kgf/cm2)
- 137.3~166.7kPa(1.4~1.7kgf/cm2)
- 166.7~196.1kPa(1.7~2.0kgf/cm2)
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- Lift amount and flow properties are maintained from previous generation GT Wastegate in a smaller compact lightweight design.
- Upper casing is finished in HKS' distinct purple anodising whilst the housing is cast stainless. This combination created an item which is not only functional, but accents the engine bay.
- V band flanges used as per previous model to allow use of existing exhaust manifolds.
- Spring changes are easy by using included SST
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| Product |
Part Number |
Retail Price (£+VAT) |
| GTII Wastegate 60VALVE |
14005-AK001 |
£588.50+VAT |
| GTII Wastegate 50VALVE |
14005-AK002 |
£588.50+VAT |
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| GT II Wastegate Parts (diaphragm, spring set, flange set) |
- Diaphragm: for repair/maintenance use
- Spring set: For changing boost levels of full turbine kits or for repair/maintenance (SST included for spring changes)
- Flange Set:for creating exhaust manifolds or repair of existing ones (As a set of both base and outlet flanges)
- ll items are produced to order
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| Products |
Part Number |
Retail Price (£+VAT) |
Remarks |
| GT II Wastgate Diaphram |
14999-AK013 |
£72.60 |
Universal for both 60 and 50 |
| GT II Wastgate spring set 60 |
14999-AK014 |
£152.35 |
With SST for change |
| GT II Wastgate spring set 50 |
14999-AK015 |
£ENQUIRE |
With SST for change |
| GT II Wastgate flange set 60 |
14999-AK016 |
£ENQUIRE |
Bass and flange + outlet flange |
| GT II Wastgate flange set 50 |
14999-AK017 |
£ENQUIRE |
Bass and flange + outlet flange |
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GT Wastegates use V band flanges which allow for more freedom of fitment direction/angle. GT wastegate Adapter allows fitment of a GT style waste to your existing manifold.
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| Product |
Flange Type |
Part Number |
Retail Price (£+VAT) |
Remarks |
| GT Wastegate adaptor |
GT Wastegate adaptor / Special Racing Wastegate |
1499-RA036 |
£ENQUIRE |
Flange to V-Brand adaptor |
| GT II 50 |
GT Wastegate adaptor / Special Racing Wastegate |
14999-AK001 |
£ENQUIRE |
Flange to V-Brand adaptor |
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| Simple power upgrade |
| By simply changing the actuator(s) on your stock turbo, power can be increased by raising boost levels. |
| Affordable Performance |
| As an easy first step to tuning, actuators can be fitted to boost power without changing the stock turbocharger. |
| Adjustable Boost |
| By adjusting the rod of the actuator, Boost can be controlled and set to the users exact specification. |
| Fitment/usage notes |
| Increasing boost levels can lead to engine damage or failure if the appropriate fuel management is not in place. For large boost increases, please ensure that you have fuel cut control (FCD or similar) and fuel control method (F-Con or similar) |
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Need more information? Send us a message and we will do our best to help you.
About HKS
The HKS name has become synonymous with high quality engineering construction and reliability in the racing, rally and performance car world, as demonstrated by its well integrated, quick expanding and revolutionary product range.
Whether it is engine, suspension, or drive-train systems, there is no substitute for the performance, quality and reliability of HKS.
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- This product was added to our catalog on Wednesday 23 September, 2009.
- Last updated Thursday 15 December, 2011.
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