Tune Up Kit Mercruiser SB GM V8 Delco EST Pre-Vortec | Powerline M57DELCO Hull Anodes Equipped with triple pole technology

Equipped with triple pole technology

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Shaft seals prevent debris and water intrusion

Tune Up Kit Mercruiser SB GM V8 Delco EST Pre-Vortec | Powerline M57DELCO Hull Anodes Equipped with triple pole technologyTune Up Kit Mercruiser SB GM V8 Delco EST Pre Vortec MMD Powerline M57DELCO Tune Up Kit Mercruiser SB GM V8 Delco EST Pre Vortec MMD Powerline M57DELCO Complete maintenance solution for Pre Vortec Mercruiser 5. 7L engines equipped with Delco EST electronic distributors. This all in one tune up kit delivers every component required to keep your engine running at peak performance, eliminating the need for multiple purchases and ensuring compatibility