With numerous Best Aftermarket Vortec Heads brands to select from – including big names like Marine Engines 4 Less,Generic,Speedway Motors – picking the right product can feel overwhelming. But we’re here to simplify your search for the perfect Best Aftermarket Vortec Heads.
We thoroughly tested and evaluated a wide range of top Best Aftermarket Vortec Heads contenders to help you navigate the crowded market. Our stand-out favorite is Marine Engines 4 Less Best Aftermarket Vortec Heads for its unparalleled quality and top-tier features. Below you’ll discover more of our top-rated Best Aftermarket Vortec Heads picks currently available.
Make sure to consult our buying guide too for valuable insights on choosing the ideal product for your needs. It covers all the key factors when shopping for a Best Aftermarket Vortec Heads. With our research backing your decision, you can confidently invest in a Best Aftermarket Vortec Heads you’ll truly love.



Top 7 Best Aftermarket Vortec Heads
We researched and compared the top products in the Best Aftermarket Vortec Heads category to provide you with these recommendations.
1. 5.0L GM Vortec Marine Engine Cylinder Head. Replaces Mercruiser & Volvo Penta applications years

- New aftermarket complete cylinder head with valves and springs.
- Replaces Mercruiser Volvo Penta, OMC, Marine Power, GM Marine 5.0L years 1997-newer.
- Replaces Mercruiser part numbers 938-8M0087884, 802556
- Replaces Volvo Penta part number 3857663
- Replaces GM part number 12558059
2. cylinder head pair fits Marine 5.7L 350 Vortec casting number 906/062 PAIR

- Cylinder heads are assembled here in the U.S.
3. 5.7L GM Vortec Marine Engine Cylinder Head. Replaces Mercruiser & Volvo Penta applications years

- New aftermarket complete cylinder head with valves and springs.
- Replaces Mercruiser Volvo Penta, OMC, Marine Power, GM Marine 5.7L years 1997-newer.
- Replaces Mercruiser part numbers 938-8M0115137, 803860T
- Replaces Volvo Penta part number 3857663
- Replaces GM part number 12558060
4. New 4.3L Vortec Marine Engine Cylinder Head. Replaces Mercruiser, Volvo Penta years 2000-2015.

- New aftermarket complete cylinder head with valves and springs.
- Replaces Mercruiser Volvo Penta, OMC, Marine Power, GM Marine 4.3L years 2000-newer
- Replaces Mercruiser part numbers 938-8M0115136, 938-8271783
- GM casting number 12557113
5. SoloSwap™ Chevy LS Mock Up Engine Swap Short-Block, No Head, Includes Hardware for Easy Assembly,

- EASY INSTALLATION: Compatible with all LS engine bolt-on such as intake manifolds, headers, oil pan, timing cover, water pump, and accessory brackets which makes positioning or fabricating engine mounts a breeze.
- LIGHTWEIGHT: Weighing in at 18 pounds for the short block or 35 pounds for the long block, this LS mock up engine can be lifted in and out of the vehicle by one person without the need for an engine hoist.
- FITS MULTIPLE APPLICATIONS: Replicates all Gen 3 and Gen 4 LS block size for test fit of LS1, LS2, LS3, LS6, LS7, LSA, and Vortec truck engines 4.8L, 5.3L, 6.0L and 6.2L. Short block version accepts all factory and aftermarket LS heads. Can be used to mock up any LS engine, including LS car and Vortec truck engines.
- LONG-LASTING CONSTRUCTION: Heavy duty 12 gauge steel construction is designed to last unlike the LS foam block which often suffers damage from thread inserts pulling out of the foam core.
- EASY STORAGE: Ships and can be stored flat with simple assembly/disassembly steps.
6. 5.7L GM Pre-Vortec Marine Engine Cylinder Head. Replaces Mercruiser & Volvo Penta applications years

- New aftermarket complete cylinder head with valves and springs.
- Replaces Mercruiser Volvo Penta, OMC, Marine Power, GM Marine 5.7L years 1987-1995.
- Replaces Mercruiser part numbers 938-9714
- Replaces Volvo Penta part number 3853852
- Replaces GM part number 93438649
7. New Replacement 5.0L 305 Vortec Cylinder Heads GM Marine 059/520 SET OF 2 STAINLESS STEEL VALVES NO

- New Aftermarket Stock 5.0L / 305 Vortec Cylinder Head Assembly
- 12558059 , 12552520 , 12558058, 12558057, 12529180 ; 520 ; 059
- Cylinder heads are assembled here in the U.S.
- 90-day (Unlimited Miles) Cylinder Head Warranty
- STAINLESS STEEL VALVES
Peter
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