Shopping CartYour Cart is EmptyQuantity: RemoveSubtotalTaxesShippingTotalThere was an error with PayPalClick here to try againThank you for your business!You should be receiving an order confirmation from Paypal shortly.Exit Shopping Cart Gibson Aviation "The Name to Remember for Aircraft Engine Parts & Service" 1-(405) 262-4880 1-(800) 992-4880 Toggle NavigationHomeOverhaul ServicesChevronCylinder OverhaulParts Overhaul, Repair WorkCylindersChevronAll ContinentalAll LycomingParts InventoryPiston RingsAirboat Contact UsAbout UsHomeOverhaul ServicesChevronCylinder OverhaulParts Overhaul, Repair WorkCylindersChevronAll ContinentalAll LycomingParts InventoryPiston RingsAirboat Contact UsAbout Us Parts Inventory Parts Inventory My Cart: 0 items All Products / New 31-21 P12 STUD OUT OF STOCK New 31-21 P12 STUD $31.27 only New 31-21 P12 STUD Sold each. USA shipping only. Call for quote on international shipping 1-(800)-992-4880. Buyer's responsibility to verify that this is the appropriate part for their engine. Location: L2 Shelf 0 Click on add to cart for total number of parts you want Add to Cart Add to Cart Proceed to Checkout Item Added. Adding Item. out of stock! / PreviousNextPausePlayClose