Mercruiser 7.4 Liter Thunderbolt Tune Up Kit M74TBOLT-macomb-marine-parts.myshopify.com

Mercruiser 7.4 Liter Thunderbolt Tune Up Kit M74TBOLT

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Mercruiser 7.4 Liter Thunderbolt Tune Up Kit M74TBOLT

Comprehensive kit includes everything needed to tune-up Pre Vortec Mercruiser 7.4L engines with Thunderbolt electronic distributors.

  • V8 7.4 Liter Thunderbolt Tune Up Kit
  • For Mercruiser 7.4 liter 454 cu. in. engines with Thunderbolt ignition systems
  • Everything needed for a tune up in one convenient kit
  • Kit includes 8 NGK BR6FS spark plugs, plug wires, distributor cap, rotor, 18-7844 fuel filter, 18-7824 oil filter and 8 oz. StarTron gasoline additive

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