Write your Review
Spark Plug Wire Set, GM 3.0L
Sierra Spark Plug Wire Set for boats powered Mercruiser Stern Drive 3. 0L/3. 0LX I/L4 GM engines with Delco EST type ignition. This new wire set can increase power and save fuel. Replaces Mercruiser Stern Drive 84-816761Q14, 84-816761A14. Malory 9-28056