Holley Needle & Seat - "Steel" Needle and Seat (Adjustable w/ .130" Seat) 10204C Drive Shaft

Drive Shaft

110" Seat Size

500 in Bolt Circle

Earl's #6 to 10mm x1

COMP Cams Dial Indicators are precision measuring tools with a variety of applications

Holley Needle & Seat - "Steel" Needle and Seat (Adjustable w/ .130" Seat) 10204C Drive ShaftSteel tipped inlet needles are necessary when using exotic racing fuels or alcohol or when using benzine or acetone additives. a . 097" seat size should be used for small four barrel carburetors; a . 110" seat size should be used for carburetors up to 735 CFM; larger seat sizes should be used with carburetors 750 CFM and larger. "Adjustable" needle and seat designs allow external float adjustment, without removing the fuel bowl. The "non adjustable"