Heatshield Products (501070) Lava Starter Shield, 7-1/4" Wide x 21-3/4" Long for Pre-1990 Starters 7-1/4 inch x 21-3/4 inch; pre 1990's 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