Autolite Platinum Ap25 Automotive Replacement Spark Plugs (4 Pack) Drums Constructed from durable brass material

Constructed from durable brass material

Kit Contains a/C 14x 14 Square gasket and 2 shims

Tornado 62-63

high-lift cams

Autolite Platinum Ap25 Automotive Replacement Spark Plugs (4 Pack) Drums Constructed from durable brass materialAutolite Platinum Spark Plugs feature a center wire platinum firing tip for reduced gap erosion, fewer misfires, better performance, and more durability. These spark plugs also feature a high nickel alloy side electrode to maintain a precise gap, and a full platinum tip to ensure virtually no gap erosion. The necked down center electrode fires quicker, cleaner, and with less voltage for easier starts, quicker acceleration, and improved fuel economy.