Pro-Select Ring Set - STD Tension D09533642 Product:3.642" Bore, 1.0mm Top Ring, 1.2mm Second Ring, 2.8mm Oil Ring Using a pair of two

Using a pair of two barrel carburettors mounted in a "Y" configuration

Made from durable plastic with high sheen chrome finish

-6AN Inlet and Outlet Ports

Each thermostat housing outlet can be un-screwed exposing a female 1-1/4"-20 thread to adapt a AN fitting or a larger barb fitting for custom applications

Pro-Select Ring Set - STD Tension D09533642 Product:3.642" Bore, 1.0mm Top Ring, 1.2mm Second Ring, 2.8mm Oil Ring Using a pair of twoPro Select Ring Set STD Tension 09533642 D09533642 3. 642" Bore, 1. 0mm Top Ring, 1. 2mm Second Ring, 2. 8mm Oil Ring DIAMOND 3. 642" BORE RING SET. Ring Features: Top Ring: GN Gas Nitrided Barrel Face 2nd Ring: NAP Napier Face Oil Ring: STD Standard Tension