Home / Brake Lathe Accessories / Rotor Finishing Tools / 6 PK 120 Grit Ammco Style PSA Discs 6 PK 120 Grit Ammco Style PSA Discs $15.65 Part Number: 989F 6 PK 120 Grit Ammco Style PSA Discs quantity Add to cart UPC: 682488231086 Category: Rotor Finishing Tools Tag: 120 Grit Ammco Style PSA Discs Related products 10 PC. Abrasive Pad Non-Directional (Swirl) Grinder Disc Kit $28.67 Part Number: 9989Add to Cart Sale! LIMITED STOCK! – Flex-Hone for Rotors – 120 Grit/Medium $87.50 Original price was: $87.50.$20.75Current price is: $20.75. Part Number: R120ZAdd to Cart 100 PK 80 Grit Ammco Style PSA Discs $232.55 Part Number: 989-100Add to Cart 20 PK 120 Grit Ammco Style PSA Discs $52.02 Part Number: 989F-20Add to Cart