The starter motor heat shield is designed with heat resistant material sandwiched between two aluminum plates. The shield protects the starter from heat buildup from the exhaust system, especially important when using headers. Fits Chevy small and big block and V6. Product Features:Starter heat shieldSmall block big block 90 degree V6 ChevyProtects starter from high temperaturesMade of 2 sheets of aluminum heat resistant centerNatural finish