![Holley Needle & Seat 2300 [HNS690]](https://classiccarbs.com.au/image/cache/data/Holley/Holley%20Parts/HNS3507-Holley-N-S-1--500x500.jpg "Holley Needle & Seat 2300 [HNS690]")
Holley 2300 Marine Carburettor Needle and Seat plus nut and screw HNS690
3/8” 32 tpi thread
0.101" orifice
Single O-ring type
This is the long needle & seat that extends to the outside top of the bowl
Suits these 2300 Marine Models:
MAKE
YEAR
MODEL
TYPE
OMC
185" 3.0L 6CYL.
2300
OMC
185" 3.0L 6CYL.
2300
OMC
185" 3.0L 6CYL.
2300
OMC
185" 3.0L 6CYL.
2300
OMC
185" 3.0L 6CYL.
2300
OMC
185" 3.0L 6CYL.
2300
OMC
185" 3.0L 6CYL.
2300
Suits the following list numbers:
R-803131A
R-80313A
R-803161A
R-80316A
R-80321A
R-80321A-1A
R-80385A