This adapter adapts the stock oil filter outlet and inlet oil feed holes to flow through threaded #12 fittings to be able to use a remote oil filter. The block adapter has one Viton O-ring which fits into a groove machined into the bottom of the block adapter, to seal against the block when installed.
Kit comes shrink wrapped with the following Included: 1 billet block adapter, 1 Viton sealing O-ring and installation instructions. If racer would like to purchase -12 fittings to plumb the filter adapter be sure to check out #340-0038.