Turbosmart is Australian, going since 1997, and the anti lag valve is their way of keeping a turbo spooled off throttle and between shifts. The GenV ALV40 is the mechanical version. The GenV eALV40 is the electronic one, so an ECU output can open it instead of pressure alone. That choice hangs on whether your ECU has a spare output.
The rest of this page is mounting hardware. Weld flanges come in 2-1, 3-1, 4-1, 5-1 and 6-1 patterns, so match the flange to the collector or runner group the valve sits on. There is an alloy inlet weld flange too, plus inlet pipe adapters in 1-1/2" and 1 3/4". Send us a photo of your manifold if the pattern is not obvious. Our wastegate sizing guide and the Turbosmart wastegate page cover the rest of the manifold layout.
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