The CSF B58 Thermal Rejection Competition Spacer is the next level upgrade for the B58 Super Manifold (CSF #8200). Made from KIYLEX, a patented revolutionary high-performance final stage polymer. KIYLEX is as strong as aluminum and can withstand temperatures up to 1100'F. This spacer is designed to insulate the intake manifold from conductive heat transfer from the cylinder head. This thermal barrier reduces manifold temperatures which helps lower Intake Air Temperatures (IATs), improve charge air cooler efficiency, and combats heat soak. CSF is the exclusive distributor for the KIYLEX Intake Manifold Spacer for the B58 Motor.
The CSF B58 Thermal Rejection Competition Spacer is the next level upgrade for the B58 Super Manifold (CSF #8200). Made from KIYLEX, This thermal barrier reduces manifold temps lowering IATs, improves efficiency, and combats heat soak.
The CSF #8200S Cooling product is designed to be a "Drop-In Fit" application. The product will install in the OEM Location with no modifications necessary unless otherwise noted or instructions are included in the product package. Please see the manufacturer repair manual for standard installation instructions. If you do not feel confident installing this product CSF recommends taking it to a qualified installation facility.

• Acts as a thermal barrier that dissipates heat between the cylinder head and intake manifold


• Self-Sealing and do NOT require gaskets, silicon products, or sealing agents of any kind.


• Made from KIYLEX - A patented revolutionary high-performance final stage polymer


• Can withstand temps up to 1100'F and is as strong as Aluminum


• Proven to lower intake manifold temperatures by up to 15%


• Tested on @peppa_aka_skull's A90 Supra by Visconti Tuning


• Includes installation hardware and instructions


• Will not work with the OEM Manifold


• Lowers Intake Air Temps (IATs)


• Limited Lifetime Warranty


• Spacer Height = 6.5mm

Vehicle Fitment