LS Classic Series GMLS2003M Gen III Valley Plate, Breather
LS Classic Series GMLS2003M Gen III Valley Plate, Breather
Modern Classic

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#491GMLS2003M

LS Classic Series GMLS2003M Gen III Valley Plate, Breather

$413.95

/kit

Factory Shipped


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Product Summary

Aluminum, Natural, Natural, Hardware Included

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    Key Specs

    MFG. Part #GMLS2003M
    BrandModern Classic
    Material TypeAluminum
    FinishNatural
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    Need To Know

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    855.313.9176
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    Modern Classic GMLS2003M Details

    LS Classic Series Gen III Valley Plates combine the classic look and function of an OEM style chrome oil fill tube and breather cap into a modern LS engine. Precision CNC-machined from 1/4” billet aluminum, the plates replace the stock cast aluminum 10 bolt valley pans on Gen III LS engines. The valley plates are available with a cast finish and include all of the necessary O-rings, seals, and stainless steel fasteners. Breather valley plates have NO provision for oil filling.

    GMLS2003M Gen3/LS1/6 Breather Valley Plate

    • Machined from 3/8” billet aluminum plate
    • Replaces the stock 10 bolt valley pan in Gen 3/LS1/6 LS engines
    • Incorporates a high efficiency breather assembly and external port for superior engine breathing
    • Includes stainless steel fasteners
    • Available with a raw machined or semi-gloss black powder coat finish
    • Valley plate works with all LS Classic intake kits
    • Plate has NO provision for filling oil
    • Made in the U.S.A.

    For all technical/repair/warranty product questions or needs, please contact LS Classic directly. For all other inquiries regarding shipping and delivery information, please contact the Speedway Motors Customer Experience Center.

    Charts

    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
    CA Prop 65
    CARB warning

    Modern Classic GMLS2003M Specifications

    KEY SPECS
    MFG. Part #GMLS2003M
    BrandModern Classic
    Material TypeAluminum
    FinishNatural
    GENERAL
    Sold in QuantityEach
    ColorNatural
    Hardware IncludedYes
    Oil Fill Cap IncludedNo
    Overall Thickness0.25"
    Valley Plate IncludedYes
    GTIN Code847087044875

    Questions & Answers

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    Fitment

    • GM LM4

    • GM LS6

    • GM LS2

    • GM LSA

    • GM LM7

    • GM LQ9

    • 6.2 Chevy LS V8

    • GM LM7

    • GM LQ9

    • 6.2 Chevy LS V8

    • GM LM7

    • GM LQ9

    • 6.2 Chevy LS V8

    • GM L76

    • GM LC9

    • GM LMG

    • GM LY5

    • GM LY5

    • GM LM7

    • 4.8 Chevy LS V8

    • GM LM7

    • GM LQ4

    • GM LS1

    • GM LS3

    • GM LS1

    • GM LS1

    • GM LS6

    • GM LS2

    • GM LS3

    • GM LS4

    • GM LS4

    • 4.8 Chevy LS V8

    • GM LM7

    • 4.8 Chevy LS V8

    • GM L20

    • GM LM7

    • GM LY2

    • 4.8 Chevy LS V8

    • GM LM7

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • GM LQ9

    • GM LQ4

    • GM LM7

    • GM LQ4

    • GM LQ9

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • GM LS3

    • GM LM4

    • GM LMG

    • GM LY5

    • GM LM7

    • GM L59

    • GM LM7

    • GM LC9

    • GM LMG

    • GM LY5

    • GM LC9

    • GM LMG

    • GM LMG

    • GM LY5

    • GM LQ4

    • GM LMG

    • GM LY5

    • 4.8 Chevy LS V8

    • GM L59

    • GM LM7

    • 4.8 Chevy LS V8

    • GM LMG

    • GM LY5

    • 6.2 Chevy LS V8

    • GM LC9

    • GM LMG

    • GM LC9

    • GM LMG

    • GM LMG

    • GM LY5

    • GM LH6

    • GM LS2

    • GM LM4

    • GM LM4

    • GM LM4

    • 4.8 Chevy LS V8

    • GM LM7

    • GM LQ4

    • 4.8 Chevy LS V8

    • GM L33

    • GM LM7

    • GM LQ4

    • 4.8 Chevy LS V8

    • GM L33

    • GM LQ4

    • 4.8 Chevy LS V8

    • GM LM7

    • GM LQ4

    • 4.8 Chevy LS V8

    • GM L33

    • GM LQ4

    • 4.8 Chevy LS V8

    • GM LM7

    • GM LQ4

    • 4.8 Chevy LS V8

    • GM L33

    • GM LQ4

    • GM L20

    • GM LC9

    • GM LMG

    • GM L33

    • GM L59

    • GM LM7

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • GM LM7

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • 4.8 Chevy LS V8

    • GM L20

    • GM LM7

    • GM LY2

    • GM LC9

    • GM LMG

    • GM LM7

    • GM L59

    • GM LM7

    • GM LQ4

    • GM LQ4

    • GM LQ4

    • 6.2 Chevy LS V8

    • GM LH8

    • GM LH8

    • GM LS1

    • GM LS3

    • GM LS1

    • GM LS2

    Customer Impersonation Script