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CSR Performance Thermostats, Housings & Fillers

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CSR Inline Radiator Hose Fillers

Find a place to fill from with these CSR inline radiator hose fillers. They provide a high positive fill point to help keep air out of your cooling system at all times. CSR's fillers are 6061-T6 billet aluminum machined and TIG-welded for durability.

3.75 out of 5 stars ( 8 )

$76.50

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$128.95

CSR Intake Manifold Water Filler Necks

Mount one of these CSR water necks on your manifold, and you'll have an easy way to top-off your cooling system and still have a provision for overflow. Precision-machined from lightweight 6061-T6 billet aluminum, they'll bolt right onto your manifold or an existing 2 in. spacer. Each of these necks comes with stainless steel hardware; a cap is not included.

4.67 out of 5 stars ( 6 )

$46.95

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$168.95

CSR Thermostat Housings

CSR thermostat housings are constructed from CNC-machined billet 6061-T6 aluminum, with a variety of anodized color options. These water necks are available for 1 1/4 in., 1 1/2 in., or -16 AN fitting hose connections. The flange is sealed at the manifold with an O-ring, eliminating the gasket. Stainless steel hardware is included. Order the housing designed for fitment with your vehicle and engine application.

3.67 out of 5 stars ( 33 )

$66.95

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$163.95

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