MSD 90 Professional Racing Spark Plug Boots & Terminals - (8 Pack) Heat Barrier constant running bearings for long

constant running bearings for long life and durability

Gasket 9340 to allow adequate clearance between carburetor neck and air cleaner base

Large Metric Hub

Not for street use

MSD 90 Professional Racing Spark Plug Boots & Terminals - (8 Pack) Heat Barrier constant running bearings for longThese spark plug boots are designed for extreme racing applications. Using a proprietary blend of materials, the boots can handle much higher temperatures over an increased amount of time. Includes MSD durable Dual Crimp Terminals. Using a proprietary blend of materials, the boots can handle much higher temperatures over an increased amount of time. Features: Designed exclusively for extreme duty racingProprietary rubber compound has a higher