Vibrant Performance 25891 Spark Plug Boot Sleeves, 3/4-Inch Diameter, 8-Inch Length, Black, Set of 4

Protect ignition components from excessive heat with Vibrant Performance part number 25891 spark plug boot sleeves. Designed for high-performance automotive applications, these sleeves help reduce heat transfer around spark plug boots and ignition wires, supporting more consistent operation in demanding engine compartments. The braided fiberglass construction provides durable thermal protection while maintaining flexibility for easier installation and routing.
The black sleeve design offers a clean, professional appearance and is suitable for custom builds, race vehicles, and performance street applications. Each sleeve is designed to fit over compatible spark plug boots and wires, creating an added barrier against radiant heat from headers, exhaust components, and other high-temperature areas. The set includes four sleeves for convenient coverage of multiple ignition connections.
Vibrant Performance 25891 spark plug boot sleeves are a practical solution for improving ignition-system protection without bulky modifications. Verify compatibility with your spark plug boots and available clearance before installation, and secure each sleeve away from moving components or direct contact with exhaust surfaces. This product is not classified as air restricted or truck freight only.

Features:

• Brand: Vibrant Performance

• Part Number: 25891

• Application: Spark plug boot and ignition wire heat protection

• Construction: Braided fiberglass

• Diameter: 3/4 inch

• Length: 8 inches

• Color: Black

• Quantity: Set of 4

• Installation: Slides over compatible spark plug boots and wires

• Use: Performance street, custom, and racing applications