🚀 Power Meets Precision! Overhead valve design (OHV) promotes cooler operation and extends valve life. Float carburetor technology guarantees consistent and easy starting every time. Dura-Bore cast iron cylinder sleeve ensures longevity and reliability. Dual-Clean air cleaner with pleated paper filter and foam pre-cleaner maximizes engine life. Designed to deliver powerful performance while maintaining efficiency. 11.5 HP Power Dual-Clean Filter Dura-Bore Sleeve The Briggs & Stratton 21R807-0072-G1 Simpson 11.5 HP Intek Engine is engineered for durability and performance, featuring a Dura-Bore cast iron cylinder sleeve, a float carburetor for easy starting, and a Dual-Clean air cleaner for maximum protection. Its overhead valve design ensures cooler operation and longer valve life, making it a reliable choice for demanding tasks.