BUICK GRAN SPORT Enginetech Engines & Components

Engine Expansion Plug Kit 66-80 BUI/PON 5.6L/5.7L

Part Number: EGN-PK118

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Engine Piston Set 59-66 BUI 6.6L

Part Number: EGN-P60048060

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Engine Piston Ring Set 55-81 AMC/BUI/CHV/FRD/JEP/MER/PLY/PON 4.3L/4.5L/4.7L/4.8L/4.9L/5.0L/5.6L

Part Number: EGN-R37558030

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Engine Piston Ring Set 55-81 AMC/BUI/CHV/FRD/JEP/MER/PLY/PON 4.3L/4.5L/4.7L/4.8L/4.9L/5.0L/5.6L

Part Number: EGN-R37558040

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Engine Piston Ring Set 55-81 AMC/BUI/CHV/FRD/JEP/MER/PLY/PON 4.3L/4.5L/4.7L/4.8L/4.9L/5.0L/5.6L

Part Number: EGN-R37558060

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Engine Piston Ring Set 55-81 AMC/BUI/CHV/FRD/JEP/MER/PLY/PON 4.3L/4.5L/4.7L/4.8L/4.9L/5.0L/5.6L

Part Number: EGN-R37558STD

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Engine Piston Ring Set 67-73 BUI/DOD/PLY 5.6L/6.6L

Part Number: EGN-R34048030

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Engine Piston Ring Set 67-73 BUI/DOD/PLY 5.6L/6.6L

Part Number: EGN-R34048040

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Engine Piston Ring Set 67-73 BUI/DOD/PLY 5.6L/6.6L

Part Number: EGN-R34048STD

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Estimated Ship Date: Mar 30, 2026 if ordered today

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