The Generac OH1760A (often marked with /D or /ASRV) is a genuine Cylinder #1 Head Assembly designed for Generac's 990cc, 992cc, and 999cc air-cooled V-twin engines. These engines are primarily used in their 17kW to 22kW Home Standby Generators

Generac 0H1760A/10000011471 Cylinder #1 Head For 990/992/999CC Engines.  The 2 cylinders use different heads, so make sure you know which head you need!

Note that this is a bare head and will not come with any valve train parts or seals.