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Intake Manifold EC 1.060  HL to Briggs Raptor
402INT EC Intake Manifold 1.060" HL to Briggs Raptor
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Intake Manifold EC 1.060 HL to Briggs Raptor

Part Number: 402INT
Your Price: $41.99
Intake Manifold EC 1.060 HL to Briggs Raptor
Availability: In Stock.

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Description

402INT EC Intake Manifold fits 1.060" HL Tillotson carburetors to Briggs Raptor(Model 13) Flathead. 

This is the common intake used for the Limited Modified classes. To gain the best performance, use our HL-360-1 EC Dominator Carburetor, our most winningest limited, modified carburetor, including the Big O, Thanksgiving Thunder, and many more national money races. 

Designed and CNC machined to match each unique intake port shape precisely at the block or cylinder head entrance. (May vary on head type and model)The resulting action is no turbulence causing misalignment and much better control of the entire intake tract's laminar flow. By using the Tillotson carburetor, we can create the best angle through the port. The pulse hole is precisely located for increase pumping action at high RPM. All installation hardware included.

If you are looking at the length of the intake as a way of port length tuning for the engine, there are a few things you need to know. The Tillotson carburetor, being a diaphragm pump carburetor, needs a good vacuum or pulse signal from the intake. If you make your intake too long, then you lose signal to the carburetor and potentially hinder its tuning and performance. Tuning your port runner length is more of an exact science than many realize, and simply adding more length doesn't always net the gains you want; where you want. Your carburetor, head ports, and cam timing, as well as where you want your engine to gain, are all part of the science of port tuning. Unless you have the equipment, time, and money, it's difficult to test the theory, and your gains may be minimal. 

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