These are new CHILL CAST BILLETS, not regrinds, and come with a Limited Lifetime Warranty.FITS ALL 16V 1.8 & 2.0 IN 252 DUR .401 LIFT EXH 264 DUR .429 LIFT Available for Make Model Years Trims / Engines VW GOLF JETTA MK2 1987, 1988, 1989, 1990, 1991, 1992 1.8 16V, 2.0 16V PASSAT 1990 B3, 1991 B3, 1992 B3, 1993 B3, 1994 B3 2.0 16V