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Orders received during this time will be processed when we resume normal business hours on Thursday, January 2nd.

Thank YOU for another great year and we are looking forward to keeping you on the water in 2025!
Merry Christmas, Happy New Year and God Bless YOU!

PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

Tune Up Kit Mercruiser 4.3 Liter Vortec Thunderbolt Complete Tune Up Kit M43TBOLTGEN

$155.00 $189.95


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 are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65warnings.ca.gov.