Captive spark plug gasket

Ignition plug for use in internal combustion engines to cause in

Multi-gap spark plug for an internal combustion engine

Multi-point spark plug

Multi-spark inducing spark plug and associated method

Multiple electrode igniter

Precombustion chamber device

Spark igniter having precious metal ground electrode inserts

Spark plug

Spark plug

Spark plug having dual gaps

Spark plug of an internal combustion engine

Spark plug with central electrode attachment member containing p

Spark plug with grooved, tapered center electrode

Spark plug with multi-point firing cap

Spark plug, particularly for internal combustion engines having

Torch jet spark plug electrode