Iso Thermal upgrade with Aramid gasket and Coolant Control Valve Motordyne Iso ThermalT is the most comprehensive plenum thermal management system available. The upgrade will l reduce heat transfer into the upper and lower plenum assembly and helps to reduce power loss as the engine bay becomes heat soaked. Compatible with any type of plenum stock or modified. Recommended for warm climates generally above 45 ° F.

(Due to Carb regulations this item is not sold/shipped to CA-.- No International shipping)