Air Filter K&N Indmar Monovalve Throttle Body Engines

Indmar FLAME ARRESTOR MONOVALVE KN - (GM 6l, 409HP, 6.2L, 450HP, 427SS), Air Filter K&N Indmar LT1 Corvette Oval Shape, Indmar Part# 525022 or S525022, Common on all Malibu Indmar Engines equipped with the solid aluminum intake plenum., Also Used on the Mastercraft Indmar LTR 330 Engine, Indmar K&N Air Filter / Spark Arrestor for Indmar Monovalve throttle body engines,