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Precision Works K Series Upper Coolant Housing & Filler Neck for Honda K20 K24A1 - PW-CH-K20-2
Precision Works K Series Upper Coolant Housing & Filler Neck for Honda K20 K24A1 - PW-CH-K20-2 - Image 4 Precision Works K Series Upper Coolant Housing & Filler Neck for Honda K20 K24A1 - PW-CH-K20-2 - Image 2 Precision Works K Series Upper Coolant Housing & Filler Neck for Honda K20 K24A1 - PW-CH-K20-2 - Image 3 Precision Works K Series Upper Coolant Housing & Filler Neck for Honda K20 K24A1 - PW-CH-K20-2 - Image 4

Precision Works K Series Upper Coolant Housing with Built-In Filler Neck

If you're into cars like I am, you know that every piece of the puzzle matters. This K Series Upper Coolant Housing from Precision Works is one of those parts that just makes sense. Crafted from billet 6061 aluminum, it’s not just about looks; it’s built to last. The CNC machining is spot on, ensuring a snug fit that you can trust.

One of the standout features is the integrated filler neck. It’s designed with turbo setups in mind, giving you more clearance where you need it most. I’ve had my fair share of struggles with air pockets in the cooling system, but this housing makes bleeding the coolant a breeze. The filler neck can be relocated to a higher point, which helps those pesky bubbles escape without a hassle.

Now, let’s talk fittings. The filler neck comes with a standard 1.25" hose fitting, but if you’re looking to upgrade, you can grab a 16AN fitting separately. It’s all about flexibility and making sure you get what works best for your setup. Plus, it’s designed to work with a 92-00 Honda Civic radiator cap and uses Type B caps, so you know it’s compatible with a bunch of setups.

Fitment

This housing is perfect for a range of K-series engines, including:

  • K20A
  • K20A2
  • K20A3
  • K20Z1
  • K24A1

When it comes to quality, Precision Works doesn’t mess around. Every product goes through rigorous checks, and you can feel that commitment in the craftsmanship. This isn’t just another aftermarket part; it’s something that I’d put on my own ride without a second thought. If you’re looking to upgrade your cooling system, this housing is a solid choice.

Notes:

  • Does not fit with PRB manifold and throttle bodies with cruise control.
  • Does not include radiator cap

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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