Dart Phenolic Carb Spacer 1" 4150 Flange M59C Protects engine from starting in

Protects engine from starting in gear

Side B is 5/16"

but at a reduced cost

KitPit Stop USA offers G-Force Pro Series Camlock 5 Point Restraint System - Individual Shoulder Harness

13 Degree Heads

Dart Phenolic Carb Spacer 1" 4150 Flange M59C Protects engine from starting inProduct 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