Dart Phenolic Carb Spacer 1" 4150 Flange CHOP3XS The factory motor mounts are

The factory motor mounts are designed to dampen engine vibration

750" Diameter

392 lb/in Spring Rate

spark plugs are located high and and as close to the center of the chamber as possible and five-angle intake seats shear the liquid fuel and air as it enters the chamber

Dart Phenolic Carb Spacer 1" 4150 Flange CHOP3XS The factory motor mounts areProduct Description: Carburetor Spacer 1 in Thick Open Square Bore Phenolic Natural Sold Individually Since 1981, Dart Machinery has become the acknowledged leader in producing race winning components. Dart Machinery aluminum and cast iron engine blocks are designed to meet the specialized needs of racers and performance enthusiasts. Dart components are developed in house, manufactured on Dartas own CNC machining centers, and tested on Dartas computer