Moroso introduces Part No. 23707, a billet aluminum GM LS remote oil filter adapter for Moroso GM LS oil pans Part Nos. 20138, 20139, 20146, 20147, 20148, 20149, 20150, 21149, 21152, and 21159. Ideal when chassis restrictions don’t allow the use of a block mounted filter or when a larger external filter is desired. Gives the installer the option of not having to use 90 degree fittings.