Home / Brake Lathe Accessories / Rotor Finishing Tools / 20 PK 36 Grit Ammco Style PSA Discs 20 PK 36 Grit Ammco Style PSA Discs $52.02 Part Number: 989C-20 20 PK 36 Grit Ammco Style PSA Discs quantity Add to cart UPC: 682488072399 Category: Rotor Finishing Tools Tag: 36 Grit Ammco Style PSA Discs Related products 3″ Brake Rotor Grinding Discs – 120 Grit – 20 PK. $35.33 Part Number: 9989-20Add to Cart 6 PK 80 Grit Ammco Style PSA Discs $15.65 Part Number: 989Add to Cart 10 PC. Abrasive Pad Non-Directional (Swirl) Grinder Disc Kit $28.67 Part Number: 9989Add to Cart 10 PK 80 Grit Ammco Style PSA Discs $27.38 Part Number: 989-10Add to Cart