Product#: 3837223

1955-1966 Thermostat Housing; Cast Aluminum; Features Casting #3837223, w/Gasket; OE Style V8

Correct reproduction of the original cast aluminum thermostat housing designed for use with various 1955-66 General Motors passenger car and truck models. Features part number #3837223 located on the mounting flange. Includes...


Product#: B90334B

Billet Specialties Aluminum Thermostat Housing - 15 Degree - Black

Billet Specialties Chevy LS black anodized aluminum 15 degree thermostat housing for 1 1/2? radiator hose. These water necks are precision machined from 6061-T6 Billet Aluminum to accommodate LS style thermostats and seals....


Product#: T9928P

1955-66 OE Style Water Neck, Orange Powder Coated

This "O" ring style water neck is powder coated in Chevy orange. Keep that original look on your engine with this quality reproduction. GM Full Size passenger car applications: 1955-65 V8 Chevy II/Nova applications: ...


Product#: 1256605

1955-73 Water Neck Mounting Bolts

Correct original style water outlet attachment bolts featuring "TR" head marks. Includes (1) 3/8"-16 x 2-1/8" bolt, and (1) 3/8"-16 x 1-1/8" bolt with "TR" head mark.


Product#: T9929P

Orange Powder Coated Late Chevrolet Water Neck

Retain an authentic original appearance and color on your fresh engine with this new "O" ring style water neck that is powder coated in Chevy orange. Camaro applications: 1967-75 small / big block without hole Truck...


Product#: T9930P

Orange Powder Coated Late Chevrolet Water Neck with Hole

Retain an authentic original look and color on your fresh engine with this new "O" ring style water neck that is powder coated in Chevy orange. Camaro applications: 1974-79 small / big block with hole Truck...


Product#: B90134B

Billet Specialties Aluminum Thermostat Housing; Straight; Black

Billet Specialties Chevy LS black anodized aluminum straight thermostat housing for 1 1/2? radiator hose. These water necks are precision machined from 6061-T6 Billet Aluminum to accommodate LS style thermostats and seals....


Product#: 6015

Polished Aluminum 15° Angle Swivel Water Outlet

Aluminum Swivel water neck rotates 360° degrees and is great for applications where the upper radiator hose is routed different than stock. {specs}


Product#: B90134

Billet Specialties Aluminum Thermostat Housing - Straight - Polished

Billet Specialties Chevy LS polished aluminum straight thermostat housing for 1 1/2? radiator hose. These water necks are precision machined from 6061-T6 Billet Aluminum to accommodate LS style thermostats and seals. Made in...


Product#: B90334

Billet Specialties Aluminum Thermostat Housing - 15 Degree - Polished

Billet Specialties Chevy LS polished aluminum 15 degree thermostat housing for 1 1/2" radiator hose. These water necks are precision machined from 6061-T6 Billet Aluminum to accommodate LS style thermostats and seals. Made in...


Product#: T9468

1966-75 SBC; Chrome Water Neck; O-Ring Type Late Style; With 1/2" NPT Port

Original style replacement chrome water outlet designed for small block engines. Each water outlet is triple chrome plated. Applications: 1966-75 Chevrolet small block 1966-75 Chevrolet big block {specs}


Product#: 6009

Polished Aluminum 90° Angle Swivel Water Outlet

Aluminum Swivel water neck rotates 360° degrees and is great for applications where the upper radiator hose is routed different than stock. {specs}


Product#: 6003C

Chrome Plated Aluminum 45° Angle Swivel Water Outlet

Aluminum Swivel water neck rotates 360° degrees and is great for applications where the upper radiator hose is routed different than stock. {specs}


Product#: 6009C

Chrome Plated Aluminum 90° Angle Swivel Water Outlet

Aluminum Swivel water neck rotates 360° degrees and is great for applications where the upper radiator hose is routed different than stock. {specs}


Product#: L59901

LS Conversion Thermostat Housing

The first OEM-style thermostat housing for LS swapped muscle cars and trucks! This 6061 die-cast aluminum housing is a direct bolt-on for LS1, LS2, and LS3 engines and points the water inlet toward the lower radiator hose...


Product#: 6003

Polished Aluminum 45° Angle Swivel Water Outlet

Aluminum Swivel water neck rotates 360° degrees and is great for applications where the upper radiator hose is routed different than stock. O-ring style design and fits 1966-75 small block and big block Chevy V8 engines....


Product#: 6015C

Chrome Plated Aluminum 15° Angle Swivel Water Outlet

Aluminum Swivel water neck rotates 360° degrees and is great for applications where the upper radiator hose is routed different than stock. {specs}


Product#: T4788

Chrome Water Neck; Gasket Type Early OEM Style, Chevy Engines Only

Triple chrome plated early style water neck. Complete with plated bolts and gasket.Chevy Engines Only


Product#: D141500

1955-65 Chrome Water Outlet

Reproduction thermostat housings for Chevy/GMC models. Reproduction housings include mounting bolts and gasket. Note: Fits small or big block engines.


Product#: 154820

1955-1966 Chevrolet; Water Neck Housing; with Gasket; V8; Aluminum

OEM style replacement water neck/thermostat housing designed for use with various 1955-1966 Chevrolet vehicles with a 8-cylinder engines. Manufactured in aluminum replicating the original min design, fitment, and...