Moroso 1" Billet Carburetor Spacer - Fits Holley 4500 Series Open Plenum Design 11548 Plymouth A727 (all engines) and

Plymouth A727 (all engines) and 1971-1977 Torqueflite A904 w/V8 only

Ford Racing 05-11 Mustang Jounce Bumper Kit M-5570-A

GM Fullsize Truck 2007-08

Rubber Trigger Stop Provides Quiet Return Or Lever

23lbs per square foot) that provides less heat transfer in the summer while protecting against the transfer of cold air in the winter

Moroso 1" Billet Carburetor Spacer - Fits Holley 4500 Series Open Plenum Design 11548 Plymouth A727 (all engines) andExtends 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