SBC H/P 1.500in Exhaust Valve Clutch Plate 4 in Diameter - 1

4 in Diameter - 1 in x 23 Spline - Sprung Hub - Organic / Carbon Composite - Mopar - Each /

Fitting - Hose End - Ano-Tuff - Auto-Mate - 90 Degree - 10 AN Hose Barb to 10 AN Female - Aluminum - Black Anodized - Each /

5 in H x 3 in D - Passenger Side Inlet - Passenger Side Outlet - Manual Transmission - Aluminum - Natural - GM B-Body 1959-64 - Kit /

450 in Head - 11/32 in Valve Stem - 5

It means the cylinder is positioned on top of the gearbox or in a location that is typically accessible and convenient for installation

SBC H/P 1.500in Exhaust Valve Clutch Plate 4 in Diameter - 1Exhaust Valve 5000 Series 1. 500 in Head 11 32 in Valve Stem 4. 935 in Long Stainless Small Block Chevy Each