Holley Adjustable Needle and Seat - 0.097 Orifice - Viton - Holley Carburetors 35451BU Power Valve Cavity Seal

Power Valve Cavity Seal

US10059251

Small Block 351W

mild steel tubing

1972-1974 Jeep CJ5

Holley Adjustable Needle and Seat - 0.097 Orifice - Viton - Holley Carburetors 35451BU Power Valve Cavity SealHolley offers a number of needle and seat assemblies for its carburetors. The configuration of the needle and seat assembly and its seat size depend on carburetor application, CFM size and type of fuel bowl used. Operation is simple. Needle movement is controlled by a metal tang on the float arm. Upward movement of the float causes the needle to close the seat; downward float movement causes the needle to open the seat. Seat size determines how much