Description
Tune-Up Kit for Mercury Thunderbolt HEI – V-6
Tune-Up Kit for Mercury Thunderbolt HEI – V-6.
Brochure (pdf)
Sale!
![Regitar USA Tune-Up Kit f/Mercury Thunderbolt HEI - V-6 [RMR005]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/regitar-usa-tune-up-kit-f-mercury-thunderbolt-hei-v-6-rmr005.webp)
Regitar USA Tune-Up Kit f/Mercury Thunderbolt HEI – V-6 [RMR005]
Original price was: $21.56.$15.29Current price is: $15.29.
71 in stock
Related products
-
![Regitar USA Tune-Up Kit f/Mallory 8 Cylinder Tall Cap [RMR015]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/regitar-usa-tune-up-kit-f-mallory-8-cylinder-tall-cap-rmr015.webp)
Sale! Regitar USA Tune-Up Kit f/Mallory 8 Cylinder Tall Cap [RMR015]
Original price was: $16.76.$12.75Current price is: $12.75. -
![Regitar USA Distributor Cap f/2001Newer MCM/MIE 5.0L, 5.7L6.2L MPI Engines w/ECM 555 [RMR002]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/regitar-usa-distributor-cap-f-2001newer-mcm-mie-5-0l-5-7l6-2l-mpi-engines-w-ecm-.webp)
Sale! Regitar USA Distributor Cap f/2001Newer MCM/MIE 5.0L, 5.7L6.2L MPI Engines w/ECM 555 [RMR009]
Original price was: $49.56.$36.09Current price is: $36.09. -
![Regitar USA Tune-Up Kit f/GM V-8 EST Engines [RMR003]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/regitar-usa-tune-up-kit-f-gm-v-8-est-engines-rmr003.webp)
Sale! Regitar USA Tune-Up Kit f/GM V-8 EST Engines [RMR003]
Original price was: $23.96.$14.29Current price is: $14.29. -
![Regitar USA Tune-Up Kit for Prestolite V-6 - Single Point - Screw Cap [RMR018]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/regitar-usa-tune-up-kit-prestolite-v-6-single-point-screw-cap-rmr018.webp)
Sale! Regitar USA Tune-Up Kit for Prestolite V-6 – Single Point – Screw Cap [RMR018]
Original price was: $33.56.$21.63Current price is: $21.63. -
![Regitar USA Tune-Up Kit f/Prestolite Electronic V-8 [RMR019]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/regitar-usa-tune-up-kit-f-prestolite-electronic-v-8-rmr019.webp)
Sale! Regitar USA Tune-Up Kit f/Prestolite Electronic V-8 [RMR019]
Original price was: $26.36.$17.18Current price is: $17.18. -
![Regitar USA Distributor Cap f/GM V-8 Engines w/Thunderbolt IVV HEI Ignitions [RMR001]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/regitar-usa-distributor-cap-f-gm-v-8-engines-w-thunderbolt-ivv-hei-ignitions-rmr.webp)
Sale! Regitar USA Distributor Cap f/GM V-8 Engines w/Thunderbolt IVV HEI Ignitions [RMR001]
Original price was: $23.96.$19.05Current price is: $19.05. -
![Regitar USA Tune Up Kit f/Mercruiser GM V-8 Engines w/Delco HEI [RMR011]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/regitar-usa-tune-up-kit-f-mercruiser-gm-v-8-engines-w-delco-hei-rmr011.webp)
Sale! Regitar USA Tune Up Kit f/Mercruiser GM V-8 Engines w/Delco HEI [RMR011]
Original price was: $34.36.$27.21Current price is: $27.21. -
![Regitar USA Tune-Up f/V8 Mallory Single Point Top Terminal [RMR016]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/regitar-usa-tune-up-f-v8-mallory-single-point-top-terminal-rmr016.webp)
Sale! Regitar USA Tune-Up f/V8 Mallory Single Point Top Terminal [RMR016]
Original price was: $36.76.$21.41Current price is: $21.41.