Mazda Rotary 12A 13B 20B Billet Oil Filter Bypass Block

One piece T6-6061 Aluminum, anodized black. Inlet (right side) : -10 AN Outlet (bottom) : -8 AN Outlet (left side) : -6 AN For Mazda 12A, 13B, and 20B rotary engines.

For Mazda 12A, 13B, and 20B rotary engines. 1979-1995 Mazda RX7, 1973-1978 Mazda RX4, 1972-1978 Mazda RX3, 1970-1974 Mazda RX2, 1970–1972 Mazda R100, 1981–1985 Mazda Cosmo, 1975–1980 Mazda Cosmo AP, 1974–1977 Mazda Rotary Pickup.