Over the past couple years we have seen turbo 1UZ build pop up utilising the readily available cast Holley EFI front facing plenum on custom built manifold adapters. These manifold adapters utilise the factory lower intake on the pre-VVTI 1UZ engines and, as the name suggests, adapts the lower to the mounting face of the Holley EFI plenum.

As more and more turbo builds appear to be popping up we saw an opportunity to produce an offering for those that wanted to go down the same route and either were unable to fabricate there own manifold or wanted a high quality billet machined unit to compliment their build. What we ended up doing was 3D scanning the Holley intake to ensure the best possible fit then we took our OG high mount supercharger manifold design and modify it to suit, the result is what you see below.

At this stage modeling is near on complete and fitment trials are well underway, ETA for the first production models is end of April 2020.

Due to clearance issue with the crossover water bridge the manifold height needs to be a minimum of 50mm from the top of the lower intake, this with the addition of 100mm for the Holley plenum results in a total stack height of no less than 150mm which is approx 40mm higher than the factory upper intake manifold, in summary this setup will not sit under the bonnet / hood in most installs.

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