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Orion Engineered Motorwerks
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While we are a service company, we do have quite an inventory of parts available. Continental shipping is free!

Toyota 4A-G
We have made it our single-minded mission to support the Toyota 4A-G community as completely as possible. From our extensive inventory and accessibility of parts to our engine building service, if you have a 4A-G, and have any intentions for it, we can probably fill them.
16v valve train
Everything from the headgasket up for a 16v head
20v valve train
Everything from the headgasket up for a 20v head
bottom end
Here you will find all parts from the headgasket down
oiling
Parts to tame and strengthen your oiling system
clutch and flywheel
Clutches, flywheels, and parts involved in connecting a 4A to a transmission
DIYPNP
Plug-and-Play engine management for your 4A-G
universal
We carry a lot of product which is universal, but we feel fits the 4A-G best!
in development
This is the home of all of our currently-under-development project.

We prefer the following brands:

We also carry the following brands:

And MANY more! Contact us if you are looking for something we don't have listed.