COOLING & RADIATOR
STM EVO 8/9 BILLET ALUMINUM SLIM RADIATOR
STM Evo 8/9 Billet Aluminum Slim Radiator
Fits these Applications:
2003-2006 Mitsubishi Lancer Evolution VIII-IX
STM Price: $795.00+
The Billet Aluminum Slim Radiator for the Evolution VIII & IX models features a streamline billet aluminum top and slimmer design to give just a little more clearance for the turbo & manifold. The STM Radiator is a perfect fit to the factory mounting points and won't stretch out your bracket bushings. There are many options to customize this radiator and as always, if you have any questions, just give us a call!
Utilizes a custom sized CSF "B-Tube" Technology Core, which offers a thinner and lighter aircraft grade special clad aluminum material for better cooling efficiency and "dual liquid laminar flow." The CSF "B" design is actually stronger than normal "O" designs and increases the heat transfer surface area of the tube by approximately 15% over regular tubes. No other aftermarket radiator manufacturer uses this technology, raising the bar for high performance radiator cores. The CSF Core also features a smaller 6.5mm fin height - where most standard radiator designs use an 8mm fin - giving us ~25% more tubes and surface area in the core versus other radiator cores.
The billet aluminum top and bottom tanks are fully optional for your particular set up using factory style outlets for the Evo 4/5/6 coolant hoses, or for -AN fittings and line. This location places the radiator hose bung to the right of the engine bay, clearing room for larger manifolds as pictured installed below.
There are two options for the radiator fill/cap. It can be placed on the radiator itself like factory or relocated to the thermostat housing as pictured installed below for a streamline look. The radiator cap itself is not included.
The drain bung will be located at the bottom of the radiator.
These will ship with the bare, billet finish as pictured uninstalled. Installed below, the radiator has a custom, polished finish.
If you still have A/C, the condenser needs to be adjusted forward for a proper fitment. There are two mounting bolts on the top ends of the condenser. Remove the spacer and bolt it back in place using the included stainless hardware. This allows the condenser to sit forward another 1/4 inch. The car pictured below has A/C, as installed.
This will not fit with the factory airbox.
We offer everything you could possibly need for this install linked on the right margin. It all depends on what you need and how you choose to do it. We suggest the Flex-A-Lite Shrouded Puller Fan.
If you have ANY questions, feel free to call us and we can get you everything you'll need for a full bolt-on kit to your specs.
Required for Install:
Evo 4/5/6 Upper Radiator Hose or -AN Fittings and Line.
Removal of Rubber Bushings in A/C Condenser.
USA-Made billet aluminum top & bottom tanks
Customizable outlets to suit almost any set-up
Optional radiator cap bung for a seamless presentation
CSF "B-Tube" Technology Radiator Core
15% more heat transfer surface area over regular oval "O" shape designs
Shorter 6.5mm fins yield ~25% more tubes and surface area in the core vs other cores
Tig welded and assembled in-house to your specifications
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.
STM Billet Radiator
Mounting Hardware for A/C Condenser:
(2) M6x20 Stainless Bolts
(2) M6 Stainless Nuts
(2) M6 Stainless Fender Washers
Radiator Core CSF "B-Tube" Technology.
Unlike a regular oval shape "O" type radiator tube, CSF uses a specially engineered tube in a shape of a "B". These "B-tubes" are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded.
The design (inlet in the middle of tube that is seam brazed) increases the heat transfer surface area of the tube by approximately 15% over regular tubes. You get the efficiency of 2 smaller tubes vs. 1 large tube within the same space criteria. With "B-tubes" you are able to get "dual liquid laminar flow."
The tubes are made from aircraft grade special clad aluminum and are intricately formed on the CSF high precision 6-stage tube forming mill. No other aftermarket radiator manufacturer uses this technology. This technology raises the bar and sets the standard for high performance radiator cores.
The CSF "B-Tube" Technology Core also features a high performance multi-louvered fin with a smaller 6.5mm fin height - where most standard radiator designs use an 8mm fin - giving us ~25% more tubes and surface area in the core versus other radiator cores.
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