Product Description Specifications CP 1.2mm Nitrided Back Cut Top Ring 4.000 bore CARB: This product is not CARB Legal and not for sale in California MPN: 1-N16-4000-0 Product ID: 455915
CP 1.2mm Cast Iron Back Cut 2nd Ring 4.000 bore Taper Hook Groove (Napier) - 2-N26-4000-0THG MSRP: Was: Now: $9.64