Wheels and Tires› Wheels

Billet Specialties

Polished Thermostat Hsng 45 Deg. Swivel

$309.95

SKU: B01D 90420

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Billet Specialties 90420 is a 45-degree swivel thermostat housing designed for Chevrolet small- and big-block V8 engines. It features a 1-1/2 inch I.D. hose connection and is constructed from polished billet aluminum. This water neck includes an O-ring seal and stainless hardware, eliminating the need for leaky paper gaskets.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandBillet Specialties
Part NumberB01D 90420

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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