New from Holley – the Hays’ Diesel 850 Clutch. This single-disc clutch developed specifically to handle Diesel engines that make up to 850 foot-pounds of torque. See more details below.

Official Release:

Holley/MSD is pleased to announce the release of Hays’ Diesel 850 Clutch, a single-disc unit developed specifically to handle Diesel engines that make up to 850 foot-pounds of torque – a full 100-200 more than ordinary stock clutches. They come with a matched pressure plate and a heavy-duty high-torque clutch disc with world-leading Carlisle (Wellman) sintered buttons for maximum holding, torque capacity, and clamping force.

Developed specifically for Dodge Cummins Diesel and Ford Power Stroke Diesel applications, Hays Diesel 850 Clutches boast 30% more clamping capacity over factory clutch systems and come complete with a pressure plate, clutch disc, throwout bearing, alignment tool, and detailed, easy-to-follow instructions. They deliver aggressive, consistent engagement ideal for towing full-sized loads yet retain the same pedal effort as a stock clutch.

Features:

• Developed specifically to handle Diesel engines that make up to 850 foot-pounds of torque
• Comes with a matched pressure plate and a heavy-duty high-torque clutch disc
• 30% more clamping capacity over factory clutch systems