Height (front) - 5.Cast aluminum construction and efficient casting design for light weight, consistent wall thicknesses and improved casting quality.Great for carbureted or throttle body EFI street applications.Minimum carb flange height means it fits in vehicles with minimal or no hood modifications.Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 1500-6500 RPM.Holley's dual plane carbureted intake for GM's LS engines will help you get on the streets quick! Its dual plane design makes it perfect for low end torque, yet it still pulls all the way to 6,500 RPM! Our O–ring cylinder head mounting flange gaskets provide an OEM style seal and make installation a snap. Got an LS engine to get running? Nothing is easier than bolting on a carburetor. Go to to go to my LS4 tuning and product page, or for my main website page.Holley Dual Plane Intake Manifold For LS1/LS2/LS6 Style Cathedral Port Cylinder Heads Dorman 615-901 GM LS2 6.0L 90mm Cathedral Port Intake Manifold NEW Corvette GTO. Go to to go right to the Shutter manifold page Ls2 Intake Manifold UpgradeAdditionally, the LS6 intake manifold is also a fan favorite for manifold swaps as well. Pricing is $1549 for the 90mm manifold kit.ĩ0mm kits are available now, 75mm kits are available Monday Aug 17 and will be posted on my website. Optional is a MAF sensor upgrade, this time a 4 inch LS7 card MAF upgrade, with wiring adapter, matching intake tube and cone filter.
#Ls2 intake manifold upgrade#
The larger inlet will obviously flow more air, and is great to have if you have a camshaft upgrade for example, or if you just want to ensure you buy the best for your vehicle. Second kit steps up to a 90mm inlet size, same as the LS2.LS3, which we match with a 90mm LS3 throttle body. Intake manifold LS2 Price netto (without VAT): 3 333 euro - without injection system 5 780 euro - Available with a secondary injection system for race fuel. This 75mm manifold kit comes in at $999 and we anticipate it being very popular due to its pricepoint versus power gains. Optional is a MAF sensor upgrade with a 4 inch inlet with matching intake tubing and cone filter to complete the intake system upgrade. This has the same inlet size as the LS1.LS6 and reuses the LS4 75mm throttle body with an aluminum adapter plate. Tuning is required and of course available from Overkill Motorsport!įirst kit is a 75mm manifold. Gains are anticipated at 30-50 horsepower, depending which manifold you choose and your other modifications. Dorman 615-901 LS2 Upper Intake Manifold Features: 90 mm Throttle Body Non-EGR 8 Ports Port Outlet: 3.500 in. The kits do not require removing or modifying the oil pressure sensor or the DoD valley plate, they are completely bolt on in a couple hours. They are extensively modified to fit the LS4 which give them a great cosmetic look, and come completely assembled with new billet fuel logs and all required connections, new fuel injectors, throttle body solutions, and intake vacuum connections for the PCV, EVAP and MAP sensor. Our kits are based on extensively modified GM truck manifolds, which improve horsepower and also torque significantly. Trying to adapt a regular LS car manifold in the LS4`s place is not a straight forward job, requiring fabrication to get around the oil pressure sensor, and the DoD valley plate in general. To make this work, to route around the existing oil pressure sensor location on the LS engine, GM simply pinched off the inlet of the LS4 manifold, cutting about a third of the 75mm port off on one side.
Basically the LS4 has its intake manifold bolted on backwards, compared to a traditional rwd LS application. The Shutter name is tribute to Nathan Shutt, who first did this manifold swap, and whom has partnered with Overkill to bring you these kits.įor those who are unaware, the LS4 is severely restricted in the intake manifold setup. I am very pleased to be offering this for the LS4 Grand Prix GXP crowd, this is a first of its kind, a true bolt on intake manifold upgrade for the LS4 platform. I'm very pleased to introduce the Shutter intake manifold upgrade for the LS4 platform, available from Overkill Motorsport.
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