These fuel logs should fit just about any configuration of Holley Carburetor you will ever own. 

They are telescopic. They adjust from 7.70" to 13.34" fuel bowl center line. allowing for use on standard and high capacity fuel bowls or bowl extensions. Works with 4150 series or Dominators .

They are available in  7/8-20 standard Holley fuel bowls that seal on a crush washer, or -08 o ring boss (3/4"-16) thread that is common on newer Holley Ultra series Carburetors , or 9/16" x 24 For Barry Grant and Demon Carbs. 

There is a ball and socket that will allow a 20 Degree adjustment to clear throttle stops and nitrous plates and other accessories. May not clear electric chokes. 

The log is drilled for -10 inlet and exit. One -08an male flare fitting is supplied for the inlet and one -10 orb port plug is supplied for the outlet.   You may choose to supply fuel from the front  or the rear. Your choice. There are two 1/8" n.p..t. pressure ports so you can check you fuel pressure or install a pressure sensor. 

As usual, we offer more color choices than our competitors. Take your pick of  standard black or one of our custom colors.

Finally, compare our price with the competition.Our price is much more attractive . Remember all of our products are sold with a 100% satisfaction guarantee!