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Vehicle Info NeededSPECTREPART NUMBER: 865-42303
Thermostat Housing Fits 1955-65 Chevy 265-454 V8
$2499
Ships on Sep 04, 2026
Lowest Price GuaranteeGM
Thermostat HousingFits 1955-65 Chevy 265-454 V8 Triple-Chrome Plated Bolts & O-Ring Included
Spectre’s Chevrolet V8 water neck fits 1955 - 1965 Chevy 265 - 454 V8 engines and 1956 - 1963 Chevy Corvette engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck includes the bolts and sealing O-ring.
- Fits 1955 - 1965 Chevy 265 - 454 V8 engines and 1956 - 1963 Chevy Corvette engines
- Includes bolts and sealing O-ring
- Chrome plated
- Chrome plated
- Designed for OEM fit
- Easy to install
Part TypeThermostat Housing
BrandSPECTRE
Package Height3.1
Package Width4.1
Package Length6.1
Weight0.39 PG
Part CategoryPerformance Parts
Bolt Hole Count2
Water Neck FinishChrome plated
Outlet Diameter1.5 in (38 mm)
QuantitySold individually
Mounting Hardware IncludedYes
Bolts IncludedYes
Drive TypeHex
Bolt Hole Diameter0.406 in (10 mm)
Material UsedAluminum
Drive Size0.438 in (11 mm)
O-Ring IncludedYes
Gaskets IncludedNo Gasket Required
Water Neck Style15 degree
Heater Bypass ProvisionNo
Sealing StyleO-ring
Part FitmentSemi Universal
Water Neck MaterialSteel
FinishChrome
Vendor Part Number42303
Package Qty1
Package TypeEA
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