Aeroflow Billet Thermostat Housing - Silver Suit Holden 253-308, with optional heater outlet, Swivel

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Suits Holden 253 308 (GM Australia V8) Swivel with an optional Heater Barb fitting which can be blocked off with a -6ORB port plug (sold separately). Accepts Chevy Thermostat. The Aeroflow Performance billet thermostat housings area three-piece design that allows for correct positioningof the outlet to suit a large array for applications especially in conversions where small can be an issue. Machined from T6-6061 billet aluminium and allows for a full 360-degree swivel rotation for ease of installation. All Aeroflow Performance thermostat housings feature an O-ring base flange, as opposed to using the factory paper style gasket, this ensured a superior leak free seal. Each thermostat housing outlet can be untreated exposing a female1-1/4”-20 thread to adapt a AN fitting or a largerbarb fitting for custom applications. Available in several anodised finishes.Replacement O-ring and bolts - AF59-2091 Show more