This is a Re manufactured 14" Heavy Duty Clutch Kit which included a Heavy Duty Pressure Plate,Heavy Duty 6 Pad disc, pilot and release bearings for IH Farmall tractors 1566,1568,1586. Specify your tractor model and if it has hydraulic assist or not.Spring count and pressure will vary depending on if Hydraulic assist is used or not. I have clutches available for many models and applications in including tractor pulling Check out my store for other IH parts. I have over 25 yrs. experience of rebuilding IH tractors and motors and have many parts available . Email your questions and I can probably help you. This item will be drop shipped direct from the manufacturer in the lower 48 states.