GrimmSpeed Phenolic Thermal Manifold Spacers for EJ WRX/STi Select::3mm Spacers (018001) 35 3796704943BK 16x7

35 3796704943BK 16x7

8 V Input Voltage 100-120VAC

058" Maximum Valve Lift: 0

• Pull-Type Design

GrimmSpeed Phenolic Thermal Manifold Spacers for EJ WRX/STi Select::3mm Spacers (018001) 35 3796704943BK 16x7The GrimmSpeed phenolic intake manifold tgv to engine thermal spacers have been designed to absorb the heat that generates between the intake manifold and the engine block to help reduce the heat in your intake manifold. Tests show a 1% increase in horsepower for every 5F of heat reduction. Available in a 3mm or 8mm thickness. Hardware is included with the 8mm set. Vehicle Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STi Install Notes: GrimmSpeed