If you're looking to optimize your SR20DET engine in your Nissan Silvia S15, the Radium Engineering Idle Air Control Valve (IACV) Spacer is just what you need. This spacer is specifically designed to fit the Silvia S14/S15 chassis, making it a perfect match for your vehicle.
This anodized aluminum IACV spacer replaces the OEM 2-bolt IACV bypass hard line, providing you with the necessary clearance for top feed fuel rails. It's a practical upgrade that not only enhances functionality but also adds a sleek look under the hood.
The kit comes complete with everything you need for a smooth installation. You'll find an anodized aluminum barb adapter and a rubber hose that reroutes the charge pipe hose externally to the manifold. Plus, we've included three stainless steel bolts and an IACV gasket to ensure a secure fit.
Upgrade your Nissan Silvia S15 with the Radium Engineering IACV Spacer and enjoy improved functionality and a cleaner engine bay!
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1999-2002 Nissan Silvia S15 |
Silvia S15 | 1999-2002 |

Radium Engineering is a company that was founded in 2010. The company specializes in designing and producing some of the best aftermarket products in the market. They have produced parts used by various racers and motorsport enthusiasts worldwide. Today, they have established a name for themselves and have become a brand synonymous with performance.
Quality in Every ProductAll of their products are done in house, from research and development, design and manufacturing. They use the latest computer simulation and modeling tools that allow them to create an accurate and precise model. After all is done, they subject their products to an extensive testing procedure to ensure that it is safe to use and performs the way it is designed to.
Not Your Ordinary Stock PartsThe company focuses on manufacturing race-oriented parts and accessories such as surge tank lines and PCV oil catch can systems. They also offer fuel fittings, fuel manifolds, pumps, and fuel regulators designed for high performance applications. All their parts are made out of high quality materials that can withstand extreme forces.
Purchase Radium Engineering Products At Vivid RacingIf you are in search of a high quality fuel system component for your vehicle, then Radium Engineering is the brand for you. Specifically made for high-performance applications, they are the trusted brand of top racers from different racing disciplines everywhere. To know more about Radium Engineering, visit Vivid Racing and check out their list of products that fit your specific needs.