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Air Horn, 1.75" SU and Zenith-Stromberg Carburetors

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These high quality machined aluminum velocity stacks are used primarily for 1.750" SU and Zenith- Stromberg Carburetors. They'll also fit the Hitachi clone of the SU (HS6 and H6), which are found on many Triumph, MG, and Datsun automobiles. Dyno tests have shown an amazing increase of 4-6 horsepower on four cylinder Triumph engines, and up to an 8 horsepower increase on the Triumph GT-6. Sold individually.

Part No.
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In Stock