Moroso 1" Billet Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - 4-Hole Plenum Design w/ 1.750" Diameter Bores Longacre Racing Products Adapter Fitting 8AN To 3/8"NPT

Adapter Fitting 8AN To 3/8"NPT Aluminum 90 Degree

This unit features a pinned steel sleeve to maintain correct alignment and is far superior to the brittle plastic sleeve on the stock shaft

An inaugural inductee to the Hot Rod Speed Parts Hall of Fame

Includes P/N 12-803 fuel pressure regulator

take out motors and engine builders

Moroso 1" Billet Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - 4-Hole Plenum Design w/ 1.750" Diameter Bores Longacre Racing Products Adapter Fitting 8AN To 3/8"NPTExtends length of intake mixture column to improve air fuel distribution CNC machined from 6061 T6 billet aluminum to extremely accurate specifications Billet aluminum eliminates porosity and improves engine appearance Available with 4150 4160 and 4500 Series Holley(R) bolt patterns to fit a variety of carburetors 4150 4160 Series Spacers available in 1 2", 1" and 2" thicknesses with open plenum and 4 hole designs to suit tuning requirements; 4500