SpeedFactory Thermal Intake Manifold Gasket B18A/B B20 Brake Fluid 4kgf/mm for the rear springs

4kgf/mm for the rear springs (with normal rate of F/2

cast aluminum intake manifold for the H22A/ F20B engines

strategically positioned lightening grooves

if not better than the stock intake

Fuel Pump Speed Control

SpeedFactory Thermal Intake Manifold Gasket B18A/B B20 Brake Fluid 4kgf/mm for the rear springsSpeedFactory Racing Thermal Intake Manifold Gaskets are designed to be used as a direct OEM replacements for everything from street cars to full on drag racing applications. Our gaskets are reusable and significantly reduce the transfer of heat from the head to the intake manifold reducing intake air temps and thereby producing more power! After years of using other thermal gaskets, we were not satisfied with the materials that other gaskets are made