This Roller Tensioner Kit from Ramsey Winch Company is used on HD-P 8,000 and10,000 Planetary Hydraulic Winches. It fits a Y Short Drum and has Over orUnderwound Styles. Roller Tensioner Kit Over & Underwound Style Y Short Drum Hydraulic Planetary Winch HD-P 8,000 / 10,000 Fits: HD-P 8Y/10Y/34,9Y PRH 42,2Y