Part number: RSV4G40, RSV4G40HDF40EZ. Pump Speed: 3400 RPM. • Direct Drive with Gas Flange 9.0-13.0 HP SAE. • Drive Side: Standard right. • Forged brass head. Top Service. Always the correct part. After Apr. 1st at 4:30am Apr. 2nd at 5:00am Apr. 6th - Apr. 8th.