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This kit allows you to synchronize your SU carburetors by comparing the piston lift in the vacuum chambers with dial indicators and adjusting the airflow accordingly.  The kit includes aluminum collars with thumbscrews, a pair of dial indicators and indicator extensions.

This kit is appropriate for '77 and up Shadow II's, Silver Wraiths, carbureted Spirit/Spurs and other cars with SU HIF7's. Please see our "links" tab for a video describing the synchronization process.

RR/B SU HIF7 Carburetor Synchronizing Kit

  • All tools made by BTW are guaranteed for life.  The exception is these indicators which are not made by BTW.  They are an economical indicator and must be protected from dirt, shock, moisture and extreme temperatures.  BTW can replace them at our cost or you can replace them from your favorite source if necessary.  They are standard AGD Group 2 indicators.

  • All US shipping is $10.60 - no matter the size.

    Please contact us for an accurate international quote.

    Please see the shipping FAQs for detailed shipping information.

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