Mercruiser Thunderbolt 4.3 L V6 DISTRIBUTOR CAP ROTOR SPARK PLUG WIRES KIT SET WITH MR43T PLUGS Item Description New distributor cap, rotor, spark plug wires and six AC Delco MR43T spark plugs for Mercruiser V6 engines with Thunderbolt ignition 1996 and older with non-vortec engine. Fits 4.3 L V6 engines with Thunderbolt ignition system. Check MR43T are the correct spark plugs for your engine before ordering. 8mm plug wires Distributor cap is J1171 certified and has quality copper contacts. Includes new bolts, gasket, and drain for cap. Dialectic grease included for wires. Replaces Mercruiser #'s 84-816761Q16, 815407Q5 ? See more product details Payment We accept payment only through the Payment system. Shipping Most products are usually shipped within 1-2 business days from the date of being ordered. We do ship worldwide via the International Shipping Program. For an international shipment quote, please add add item to cart and attempt checkout. will supply the international shipping price. Return We do not accept returns except in certain, unlikely circumstances.