Torque Solution 8mm Phenolic Thermal Intake Spacer: Subaru EJ EnginesTorque Solution Phenolic Thermal Intake Spacers Applications: 8mm for Subaru EJ Engines Torque Solution Phenolic Thermal Intake Spacers for Subaru EJ Engines. Our phenolic spacers are made from CNC'd composite glass epoxy resin for its strength, chemical resistance and thermal properties high heat resistance. CNC'd Composite Glass Epoxy Resin Excellent Thermal Properties w High Heat Resistance Helps Reduce Intake Manifold Temperature 8mm Thick Limited