Spark Plug Index Shims 14mm Small O.D. - ALL96506

Enhance your engine's performance with ALLSTAR PERFORMANCE Spark Plug Index Shims, designed for precision and optimal combustion. These 14mm small O.D. shims ensure a perfect fit, allowing for accurate indexing of your spark plugs.

• Improves ignition efficiency by allowing for precise spark plug positioning.
• Lightweight design at just 0.031 lbs, making installation effortless.
• Durable construction ensures reliability under high-performance conditions.

These spark plug index shims are essential for tuners and racers looking to optimize engine performance. Elevate your ride's efficiency with ALLSTAR PERFORMANCE.