This is a Heavy Duty Solid Center Clutch Disc (Plate) for MGB all years and MGA MKII from (e)3829. No more tearing the centers out of the clutch discs on your MGB. This type of disc eliminates flexing like on the standard discs but yet retains a nice pedal feel that is not grabby or harsh. Plus with 33% more surface area you will get more holding power without the expense of a heavy pedal. Cross Reference DP9711 HB9711.