A90 Supra / BMW B58 Thermal Rejection Competition Charge-Air Manifold Spacer Subaru The OEM supplier has limited

The OEM supplier has limited the production of these oil coolers

and combats heat soak

Toyota: JD1270001630

Chevrolet: 25861236

A90 Supra / BMW B58 Thermal Rejection Competition Charge-Air Manifold Spacer Subaru The OEM supplier has limitedThe 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