Description
Nology Silver spark plug 12mm TC and XL
Replace for OEM 6R12. 12mm threaded. 19mm (3/4″) reach. Used with a 16mm spark plug socket.
Nology Silver spark plugs are especially designed for high-performance engines. Silver is one of the best electrical and thermal conductors of any metal, which makes it the ultimate material for a spark plug’s center electrode. The large diameter silver center electrode increases spark carrying ability and spark power. Silver is extremely resistant to erosion, guaranteeing a virtually unchanged electrode gap for the life of the spark plug. Most Nology Silver spark plugs are without a resistor, perfect for performance enthusiasts who demand the most from their engines. For racing or dependability and efficiency for everyday use, Nology Silver spark plugs deliver the most powerful spark
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For
99-17 Twin Cam
86-23 XL Sportster (exclude XR1200)
Brand Nology
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