This is the finest performance gland nut on the market! Larger diameter head and thicker cross section for added strength. Can be torqued to 350 lbs without breaking.Manufactured from 4340 Chromoly Billet Steel, and is 3 times the strength of stock Gland Nuts. Includes Flywheel Gland Nut with Washer for the 1200cc-1600cc Manual Motor. Does NOT work on an Automatic