Home / Brake Lathe Accessories / Rotor Finishing Tools / 20 PK 80 Grit Ammco Style PSA Discs 20 PK 80 Grit Ammco Style PSA Discs $52.02 Part Number: 989-20 875620 20 PK 80 Grit Ammco Style PSA Discs quantity Add to cart UPC: 682488230188 Category: Rotor Finishing Tools Tags: 80 Grit Ammco Style PSA Discs, 875620 Related products 9 PC. Swirl Tool Kit with 4″ Hook-and-Loop Backed Discs $175.87 Part Number: 999Add to Cart 100 PK 80 Grit Ammco Style PSA Discs $232.55 Part Number: 989-100Add to Cart 3″ Brake Rotor Grinding Discs – 120 Grit – 20 PK. $35.33 Part Number: 9989-20Add to Cart 10 PK 80 Grit Ammco Style PSA Discs $27.38 Part Number: 989-10Add to Cart