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2024 GM Marine 7.4L V8 LSX 454 

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    Description

    2024 GM Marine 7.4L V8 LSX 454

    Lighter and more compact than an original Big-Block 454, the LSX 454 is filled with a super-tough rotating assembly and features a pair of our deep-breathing CNC’d ported cylinder heads.

    Info

    Industry

    Marine

    Make

    GM Marine

    Model

    7.4L V8 LSX 454

    Trim

    Base

    Year

    2024

    MSRP

    N/A

    Category

    Engine

    Subcategory

    General

    Specs

    Engine type

    7.4L Gen-IV V-8 Small-Block

    Engine (Displacement)

    7400 Cc (454 Ci)

    Compression Ratio

    10.0:1

    Bore x Stroke

    4.185 X 4.125in. (106.3 X 104.8 Mm)

    Fuel System

    Port Fuel Injection

    Fuel Type

    Premium Recommended

    Top Speed

    5400 RPM

    Horsepower

    495-505 Hp (369-KW-377 KW) @ 5400 Rpm

    Torque

    500-515 Lb-Ft (678 Nm- 698 Nm) @ 4400 Rpm