The Moroso Holley needle and seat pair with .130 orifice is supplied as a two‑pack and is specified for gas, exotic fuel blends, or additive use per the listing. Intended as a replacement for Holley carburetors, the .130 orifice size provides the specified flow characteristic for applications requiring that sizing, helping restore or modify float bowl fuel delivery where compatible.
Moroso Needle & Seat - Holley - Gas/Exotic Fuel/Additives - .130 Orifice - 2 Pack