Heatshield Products (501071) Lava Starter Shield, 3-1/2" Wide x 18" Long for High Torque Starters 3-1/2 inch x 18 inch High torque starters Protects starter motor and solenoid from damaging heat Patented Heatshield thermal barrier technology withstands constant temps up to 1200F and short-term exposure to 2000F Installs in minutes, typically without requiring starter removal Naturally water, chemical and acid resistant