Dimensions:
Seat orifice diameter: .101"
Male Threads: 5/16"-24
Overall Length: .733"
Fits:
Carter YF, YFA carburetors
Carter W-1, WA-1, WE, WO carburetors
Carter OEM # 25-552S
Quantity: 1 Needle and Seat assembly
Compatible with new alcohol enhanced fuels.