Comprehensive kit includes the items needed to tune-up Gen+ Vortec Mercruiser 4.3 liter engines with Thunderbolt ignition system.
Normal annual maintenance items including distributor cap, rotor, spark plugs, spark plug wires, oil filter, fuel filter and fuel treatment
For Mercruiser Vortec Gen+ 4.3 liter 262 cu. in. GM models using Thunderbolt ignition and NGK BPR6EFS projected tip spark plugs
Packaged conveniently in one easy part number to order
Just add the recommended engine oil
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer. For more information go toP65Warnings.ca.gov.
![MerCruiser 4.3L Vortec Thunderbolt Tune-Up Kit [MMD Powerline M43TBOLTGEN]](http://guildmarine.com/cdn/shop/products/mmdm43tboltgen_lg_2048x.webp?v=1648563766)