4AGE Fabrication Supplies

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T25/28 Mild Steel Turbine Outlet Flange 5 bolt

$30.00

There are two common styles of 5 bolt turbo outlet flanges and I have not found differentiating names to tell the two apart. You just have to look at them closely and compare. I will try to get drawings up soon. I will also try to get the second style available soon. If you need one of the other style let me know and I'll get a batch made.

These are made directly off of Garretts drawings for a perfect fit and alignment.

Price: $30.00

Toyota Oxygen Sensor Flange mild Steel

$14.00

This little flange is just the ticket for installing an original Toyota-style oxygen sensor on a custom header or exhaust system. It is made from 1/4" thick steel, and the 8mm diameter bolt holes are spaced 44mm center to center. This is the same as an AW11 sensor, but check the sensor you plan to use just to be sure before ordering.
 

Price: $14.00

SC Exhaust Flange Mild steel

$28.00

SC flange fits the supercharged AW11 downpipe, catalytic converter, or muffler. Laser-cut from 3/8" steel with a machined recess to accommodate the OEM Toyota crush ring style gasket. 2mm deep counterbore on rear face centers flange perfectly on 2.5" OD exhaust tubing. Through hole is 2.4" ID. Great for building your own custom exhaust system.

Sold individually. Photo shows two flanges to illustrate front and rear sides.

Price: $28.00

20V Downpipe Flange Mild Steel

$28.00

This laser-cut 3/8" steel flange fits the 20V header perfectly and is ideal for anyone who wants to build their own downpipe from scratch. The pipe holes are 1.70", which will accept 1 5/8" OD tubing, as well as 1 3/4" OD tubing that has been swedged or slotted to reduce its diameter slightly.

Nothing fancy here, just a piece of metal that fits right and gets the job done.

Price: $28.00

4AGE 16V/20V Exhaust Header Flange Mild Steel

$54.00

Laser-cut flange fits 16V and 20V Toyota 4AGE heads. Ideal for building your own tubular header or turbo manifold.

Pipe holes are 1.38", will accept 1 3/8" OD tubing; holes also match the ID of most 1.5" OD tubing.

Price: $54.00

Toyota 4AGE 16V / 20V Dual Header Flange, 3/8" Stainless

$64.00

Dual purpose flange, slotted for both 16V and 20V Engines
Process: Water Jet Cut for NO Heat Distortion & High Precision
Material: 304 Stainless
Thickness: 3/8"

Price: $64.00

4AGE Blacktop 20v intake plenum flange

$105.00

This is the flange that connects the independant throttlebodies to the plenum. It can be used for custom plenums, turbo plenums and velocity stacks.
They are made out of 3/8" 6061 Aluminum but special orders can also be made to your spec.

There is a counterbore for 2.25" aluminum tubing which matches the area of the intake. You can special order a flange without this if you want to use different sized tubing.

 
Right now these flanges are made to order so please allow a couple weeks for us to machine and ship them.

Price: $105.00

4AGE silvertop 20V intake Plenum Flange

$105.00

This is the flange that connects the independant throttlebodies to the plenum. It can be used for custom plenums, turbo plenums and velocity stacks.
They are made out of 3/8" 6061 Aluminum but special orders can also be made to your spec.
There is a counterbore for 2" pipe which matches the area of the intake. You can special order a flange without this if you want to use different sized piping.
 
Right now these flanges are made to order so please allow a couple weeks for us to machine and ship them.

Price: $105.00

4AGE Smallport intake flange

$105.00

This flange will work on all smallport 4AGEs.
They are made out of 1/2" 6061 Aluminum but special orders can also be made to your spec.
There is a counterbore for 1.88" tubing which matches the area of the intake. You can special order a flange without this if you want to use different sized piping.
Right now these flanges are made to order so please allow a couple weeks for us to machine and ship them.

Price: $105.00

4AGE Largeport intake manifold flange

$105.00

This flange will work on all largeport 4AGEs.
They are made out of 3/8" 6061 Aluminum but special orders can also be made to your spec.
There is a counterbore for 2.25" pipe which matches the area of the intake. You can special order a flange without this if you want to use different sized piping.
Right now these flanges are made to order so please allow a couple weeks for us to machine and ship them.

Price: $105.00

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