PT-1 Penetrating Oil No comments View cart “Carb & Choke Cleaner” has been added to your cart. $0.00 PT-1 Penetrating Oil- This product can be used to free rusted mechanical parts (such as nuts and bolts) so that they can be remove. PT-1 Penetrating Oil quantity Add to cart Category: Chemicals Related products Wash & Wax $0.00 Add to cart CRC Power Lube $0.00 Add to cart ARMROALL (PROTECTANT) $0.00 Add to cart Carb & Choke Cleaner $0.00 Add to cart