✨ Get 20% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Ultimate Radium Aos-r Air Oil Separator Kit (brz/frs/86) Limited Time 95% Off [yrQWYZpe]

$64.99 $207.99 -69%

High-powered modified 4U-GSE and FA20A engines tend to generate excessive blow-by oil and gasses. In these cases, an ordinary small catch can may quickly fill with oil and not be adequate. Like the Radium Engineering Dual Catch Can Kit, the AOS (Air

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

High-powered modified 4U-GSE and FA20A engines tend to generate excessive blow-by oil and gasses. In these cases, an ordinary small catch can may quickly fill with oil and not be adequate. Like the Radium Engineering Dual Catch Can Kit, the AOS (Air Oil Separator) kit is responsible for keeping blow-by oil and other pollutants out of the intake pipe, manifold, turbocharger, and intercooler during all engine loads. The main difference is that an AOS system returns what is collected back into the oil pan (as shown below) so there is no servicing required. The built-in heater keeps water from condensing in the AOS. And because water is more dense than oil, there is an integrated water trap found around the bottom perimeter of the can. This prevents water from descending into the oil pan if ever present. Furthermore, because the water is trapped against the heater, it will eventually boil and evaporate out of the system.

Contents:

  • Machined alumium Radium Air Oil Separator
  • Specially designed mounting bracket
  • SAE J30R7 rated PCV/Emissions hose
  • Coolant heater hoses and fittings
  • All necessary aluminum fittings and hose-ends
  • If operated in freezing environments, Radium Engineering recommends installing insulation sleeving (not included) over any hose exposed to cold air flow. This will help prevent the natural phenomenon of water condensation freezing and potentially clogging the hose.
  • For RHD vehicles, our Universal AOS (20-0219)  must be used for custom mounting and plumbing.

Confirmed Fitment:

2012 - 2016 Scion FRS
2012 - 2020 Subaru BRZ
2012 - 2021 Toyota 86


What Our Customers Say

January 5, 2026

Absolutely no complaints!

The design is truly ingenious.

- Genevieve N..

January 5, 2026

Absolutely no complaints!

This is a very clever and very useful gadget.

- Jessica I..

January 5, 2026

Absolutely no complaints!

An outstanding item. It is very, very reliable.

- Kian Z..

Write a Review

You Might Also Like

Discover more great products from our collection.

Dacki Floor Lamp

Dacki Floor Lamp

(24)
$39.99 $127.99 -69%
Ultrimax 1 - Bs. 00e55

Ultrimax 1 - Bs. 00e55

(489)
$21.99 $70.99 -69%
Dometic Patrol 20qt Cooler

Dometic Patrol 20qt Cooler

(192)
$33.99 $108.99 -69%
THE POINTELLE DANI CARDIGAN

THE POINTELLE DANI CARDIGAN

(817)
$26.99 $86.99 -69%
Cresent Bay NecKee

Cresent Bay NecKee

(192)
$21.99 $70.99 -69%

Copyright 2026 © technovaprecision.com

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY