It seems that new Holley jets are available with part numbers such as 122-56 from a number of sources.

Do these jets actually resemble those used originally on the 1920? They appear to have the correct thread and the orifice appears to be .001 less then the original such that a 56 jet has a .055 orifice

Has anyone tried these jets to see if they fit the 1920?

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1965 Dart 110k, 225, Carter BBD Super Six, 2 1/4 single exh., sbp manual scarebird front disc, 7 1/4 rear 2.94 sure grip, 14 x 4.5 OEM wheels, 833 OD with hyd. throwout bearing, HEI, electric fan, ram air/heated air, Accusump. http://plymouthcarclub.com/

Yep,they fit.

Yes, just about every auto part store I have visited has a selection. Sometimes you need to order the smaller sizes from Jegs or Summit Racing.

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Aggressive Ted

http://cid-32f1e50ddb40a03c.photos.live ... %20Swinger


74 Swinger, 9.5 comp 254/.435 lift cam, 904, ram air, electric fans, 2.5" HP2 & FM70 ex, 1920 Holley#56jet, 2.76 8 3/4 Sure-Grip, 26" tires, 25+MPG