Chevrolet 3.4L DOHC Intake Spacer - $90 shipped

This 1 thick intake spacer is designed for the LQ1 3.4L DOHC V6 engine. The engines that are compatible with this spacer will have the intake manifold as shown to the left. This spacer fits between the upper and lower intake manifolds, as shown with number 72.

These spacers will also add volume to your plenum, which will help increase torque throughout the powerband. Also the longer runners will help high-end power by straightening the airflow towards the cylinder at a farther distance from the valve, allowing it to gain momentum.

Insulating spacers have been around for a long time, and are a proven performance item.

This spacer is 1 inch thick to provide as much insulation as possible, while still having hood clearance. Installation of this spacer is very straightforward, and is the same process as changing the stock gasket.

I recommend buying an extra stock gasket from your local parts store, and sandwiching the spacer between two stock gaskets. RTV or equivalent sealant can also be used.

Cheetah Phenolic spacers are cut from a single piece of Garolite by CNC water-jetting. Garolite is a great heat insulator, and these insulating properties will keep the plenum and throttle body cooler; as it will not absorb as much heat via conduction from the engine. This results in a cooler air-intake temperature, which creates a denser charge that provides more horsepower. A great article on the effects of cooling via spacers can be read here.

The cooler plenum and throttle body will also help keep the power level stay more consistent. Most cars feel slightly sluggish on very hot days, or after a time of stop-and-go driving. This is in part because of the intake air temperature rising. These spacers will help stop this power loss. IN certain applications, these spacers also add volume to your plenum, or smooth out the path to the cylinders, which will help increase torque throughout the powerband.

Spacers are great bang-for-the-buck, proven performance item, especially on an already modified vehicle; while not having any negative side effects like lower gas mileage. Many spacers sold are a fiber phenolic. But all of Cheetah spacers are made from Garolite, which has equivalent insulation properties to normal Phenolic, but is more moisture resistant. This is preferred, since an engine bay can have many different climates, with varying humidity's. Many vehicles also run EGR and PCV vapors back through the intake, and Garolite stands up to this harsh environment; as it is also more chemically resistant. In addition, with a wet nitrous kit, extra injectors, or a water injection kit, there may be considerable amount of fluid in the intake.

Chevrolet Lumina Z34	1991-1994	LQ1 3.4L DOHC V6
Oldsmobile Cutlass Supreme	1991-1995	LQ1 3.4L DOHC V6
Pontiac Grand Prix	1991-1996	LQ1 3.4L DOHC V6
Chevrolet Monte Carlo Z34	1995-1997	LQ1 3.4L DOHC V6
Chevrolet Lumina LS	1995-1997	LQ1 3.4L DOHC V6

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