Audi / VW 1.8-2.0 20V mechanical FCP valve lifters

Lifter data: 20 pcs. Mechanical racing jacks from FCP Engineering. Forged steel, nitroded surface, hardness HRC 50. The height of the installed camshaft follower must be adjusted using pads (not included). Adjusting the jack requires: 12 pcs. 6mm overlays8 pcs. 7mm capsIntake lifter data (12 pcs): Outer diameter - 23.97mm Inner diameter - 23.97mm Outer height - 24.20mm Shank length - 15.00mm Bolt diameter - 6.00mm Weight - 26g Exhaust lifter data (8 pcs): Outer diameter - 33.47mm Inner diameter - 31.50mmExternal height - 26.00mmShank length - 15.00mmScrew diameter - 7.00mmWeight - 43g