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A0370-82300P Billet Thermostat Housing for GM LS3, 78 mm Spacing [Polished]
InfoVehicle Info Needed
CONCEPT ONE PULLEY SYSTEMSPART NUMBER: 212-A0370-82300P

A0370-82300P Billet Thermostat Housing for GM LS3, 78 mm Spacing [Polished]

$13410$149.00You Save$14.90
ShippingShips on 09/17/2026
Lowest PriceLowest Price Guarantee

GM LS3
Billet Thermostat Housing
  • GM LS3
  • 78 mm Spacing
  • Polished

    Concept ONE Pulley Systems A0370-82300P Features:

    Billet low-profile thermostat housing for LS3 engines repositions the coolant inlet downward to the 6 o'clock position. 78mm bolt spacing. Ideal for retrofitting an LS engine into older vehicles by routing the lower radiator hose between the frame rails instead of coming in from the side like an OEM unit. 6061-T6 aluminum. Bolts included. Polished finish.

    • One piece 6061-T6 Aluminum
    • Low-Profile Design
    • Points Inlet Downward
    • 78mm Bolt Spacing for LS3
    • Polished Finish
    • Part TypeThermostat Housing
    BrandCONCEPT ONE PULLEY SYSTEMS
    Package Height4.0
    Package Width4.0
    Package Length4.0
    Weight2.0 PG
    Part CategoryPerformance Parts
    Part FitmentDirect Fit
    Vendor Part NumberA0370-82300P
    Package Qty1
    Package TypeEA
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