![Holley Needle & Seat Secondary 4165 4175 Spreadbore [HNS597]](https://www.classiccarbs.com.au/image/cache/data/Holley/Holley%20Parts/2-3609%20Holley%20R7002-650,%20R7004-650,%20R6210-650%2001-250x250w.jpg "Holley Needle & Seat Secondary 4165 4175 Spreadbore [HNS597]")
Holley Needle & Seat Secondary 4165 4175 Spreadbore [HNS597]0.110" orificeSuits: Performance Carburettors 4165 Carb No. R6210, 650CFM 4175 Carb No. R7002, 7004, 650CFM 4165 Carb No. 6854, 800CFM ..
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