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Marine engines

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GM 7.4L (454 cid) 77-89 Moteur marin short bloc
CAD 3 600.00
Short Block,

This remanufactured GM 7.4L (454cid) marine engine (Gen IV block) fits most 1977 to 1990 applications with 2-piece rear main seal and standard rotation.

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GM 7.4L (454 cid) 91-96 Moteur marin
CAD 5 100.00
Long Block,

This remanufactured GM 7.4L (454cid) marine engine (Gen V block) fits most 1991 to 1996 applications with 1-piece rear main seal and standard rotation.

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GM 7.4L (454 cid) GEN VI 97-15 Moteur marin
CAD 6 150.00
Long Block,

This remanufactured GM 7.4L (454cid) marine engine (Gen VI block) fits most 1997 and newer Magnum applications with 1-piece rear main seal and standard rotation.

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GM 8.1L Vortec (496) 2000-2010 Marine Engine
CAD 8 500.00
Long Block,

8.1L marine engine (standard or high output) (one-piece rear main seal, roller cam and roller lifters). This engine has been professionally remanufactured to meet or exceed stock GM OEM marine engine specifications. Developed between 370 and 375 hp for the standard HP or between 420 and 425 hp for the high output version. This 8.1L long block will NOT work as a 7.4L replacement.

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