To be used as the following OE numbers: EN-51415, EN-51418. Opel Speciality Automotive Tools Cylinder Head Timing Tool Kit SW-Stahl 26176L Engine Adjustent Tool Set Vauxhall B20DTH Tool SW-Stahl 26190L Engine Adjustment Tool Set for Opel/Vauxhall - Warranty & Support Return Policy Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the... This is an extension kit to 26187L Setting tool sets Homepage Machines & Tools Engine Setting tool sets SW-Stahl 26190L Engine adjustment tool set, Opel / Vauxhall Perfect tool for and of engines Suitable for both DIY enthusiasts and permanent use in the workshop Suitable for adjusting the timing chain in the cylinder head on the following vehicles: Antara / Cascada / Insignia A / Insignia B / Zafira C To be used as the following OE numbers: EN-51415 / EN-51418., Engine code: B20DTH