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Diesel Pictures
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| Ported Cummins manifold w/ internal and external thermal coatings | Ported Cummins manifold w/ internal and external thermal coatings |
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| Ported Cummins manifold w/ internal and external thermal coatings | Stock 12v Cummins head (Top) Ported 12V head (Bottom) |
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| Reworked Bowl of 12V Cummins head | |