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Precision Works K Series Filler Neck Upgrade for K20 Upper Coolant Housing 16AN - PW-CH-K20-FN
Precision Works K Series Filler Neck Upgrade for K20 Upper Coolant Housing 16AN - PW-CH-K20-FN - Image 4 Precision Works K Series Filler Neck Upgrade for K20 Upper Coolant Housing 16AN - PW-CH-K20-FN - Image 2 Precision Works K Series Filler Neck Upgrade for K20 Upper Coolant Housing 16AN - PW-CH-K20-FN - Image 3 Precision Works K Series Filler Neck Upgrade for K20 Upper Coolant Housing 16AN - PW-CH-K20-FN - Image 4

Precision Works K-Series Filler Neck Upgrade (PW-CH-K20-FN)

If you're looking to enhance your cooling system on your K-Series engine, the Precision Works K-Series Filler Neck Upgrade is a must-have. This upgrade allows you to replace your non-integrated filler neck upper coolant housing with a high-quality, optional filler neck that significantly improves coolant flow and accessibility.

Fitment

  • Compatible with Precision Works K20 Upper Coolant Housing
  • Designed for use with AN fitting radiator hoses
  • Fitting size: 16AN

Technical Specifications

  • Material: High-quality aluminum for durability
  • Finish: Anodized for corrosion resistance
  • Weight: Lightweight design to minimize overall engine weight

Real Customer Experiences

Honda Civic K20 owners have praised this upgrade for its seamless installation and improved performance. One owner noted, “I installed this filler neck on my 2004 Civic with a K20 swap, and it made routing the coolant lines so much easier. The 16AN fitting is perfect for my setup, and I noticed a drop in engine temps during spirited driving.”

Another customer shared, “This filler neck upgrade was the perfect addition for my 2006 RSX. It fit flawlessly with the Precision Works housing, and I love how it looks under the hood. Plus, my coolant system feels more efficient now.”

When it comes to performance and reliability, the Precision Works K-Series Filler Neck Upgrade stands out as a practical choice for those serious about their builds. Don't settle for less when it comes to keeping your engine cool — upgrade your coolant housing today!

Notes:

  • Installation instruction is not Included

Proposition 65

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

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