Ignition Systems
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Mercruiser 3.0 Liter Delco EST Tune-Up Kit | MMD Powerline M30LXDELCOESTMMD-M30LXDELCOESTQty In Stock: 71Brand: MMD PowerlineComprehensive kit includes the items needed to tune-up Mercruiser 3.0 liter engines with the Delco EST ignition system.
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Delco EST Conversion Kit GM V8 | SIERRA 18-5514SIERRA-18-5514Qty In Stock: 11Brand: SierraDelco EST style ignition conversion kit for upgrade or replacement on GM V8 small block and big block engines.
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GM V8 EST Electronic Distributor Kit | United Marine GMESTV8UIW-GMESTV8Qty In Stock: 256Brand: United Motor ProductsElectronic spark timing EST style replacement ignition kit for GM small and big block marine engine applications. Learn More
Mercruiser 7.4 liter Thunderbolt Tune Up Kit | MMD Powerline M74TBOLTMMD-M74TBOLTQty In Stock: 25Brand: MMD PowerlineComprehensive kit includes the items needed to tune-up Mercruiser 7.4L GM engines with Thunderbolt ignition system.
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Mercruiser SB GM V8 Thunderbolt Pre-Vortec Tune-Up Kit | MMD Powerline M57TBOLTMMD-M57TBOLTQty In Stock: 50Brand: MMD PowerlineComprehensive kit includes the items needed to tune-up Pre Vortec Mercruiser Small Block V8 GM engines with Thunderbolt ignition system.
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Mercruiser SB GM V8 Delco EST Pre-Vortec Tune Up Kit | MMD Powerline M57DELCOMMD-M57DELCOQty In Stock: 4Brand: MMD PowerlineComprehensive kit includes the items needed to tune-up Pre Vortec Mercruiser Small Block V8 GM engines with Delco EST ignition system.
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3.0L 4 Cylinder Delco HEI Distributor Kit | MMD Powerline 109134MMD-109134Qty In Stock: 3Brand: MMD PowerlineDelco HEI Distributor Kit 4 Cylinder Learn More
Ford 351W Marine Electronic Distributor | Pertronix D231800IG-D231800Qty In Stock: 2Brand: PertronixBillet aluminum electronic distributor with twist lock cap fasteners for Ford 351 cu. in. Windsor marine engines. Learn More
Delco EST Conversion Kit 4.3L GM V6 | Sierra 18-5513SIERRA-18-5513Qty In Stock: 30Brand: SierraDelco EST style ignition conversion kit for upgrade or replacement on 4.3L GM V6 engines.
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Delco EST Spark Plug Wire Set | Indmar 756002IND-756002Qty In Stock: 26Brand: IndmarOEM Indmar spark plug wire set for V8 GM 350 & 383 cu. in. small block marine engines with Delco EST ignition system. Learn More
8.1 liter Spark Plug Wire Set | United Marine 116UIW-116Qty In Stock: 14Brand: United Motor Products8.1 liter Spark Plug Wire Set
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8.1L Platinum Spark Plug Set | Crusader RP030009CRU-RP030009Qty In Stock: 9Brand: CrusaderCrusader RP030009 AC Delco Platinum Spark Plugs Learn More© 2025 Marine Parts Source. All Rights Reserved.