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Heat Sink Cooler Hardware Kit - Wrangler JL/JLU 392 HEMI (2021-2025)

Heat Sink Cooler Hardware Kit - Wrangler JL/JLU 392 HEMI (2021-2025)

$5.00
$5.00
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Part Number: HWK-CK205-392

This product typically ships within 3 business days.

If you’re running a PSC Heat Sink Cooler on your 392 HEMI-powered JL or JLU Wrangler, this hardware kit’s what you need to bolt it up right. No guesswork, no trips to the hardware store—just the exact fasteners we use in the shop. Whether you're replacing old hardware or installing a new cooler, this kit makes it easy to get the job done clean and solid.

We’ve bundled up all the Grade 8 bolts, lock nuts, and washers you’ll need. It’s the same stuff we trust on our own rigs, so you know it’s tough enough for trail days, hot summers, and everything in between.

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About:About:

Why you’ll love it

  • No hunting for hardware – everything’s in the bag 
  • Grade 8 strength – built to handle heat, vibration, and off-road abuse 
  • Saves time – install it and move on to the fun stuff 

Tech InfoTech Info

Heads‑up for installers

This kit is designed specifically for PSC’s Heat Sink Cooler on the JL/JLU 392 HEMI. If you’re using a different cooler or mounting setup, double-check your bolt lengths before you dive in. Torque specs matter—don’t just send it with an impact.

Fitment

  • Jeep Wrangler JL 392 HEMI (2021–2025)
  • Jeep Wrangler JLU 392 HEMI (2021–2025)

Use it with

  • PSC Heat Sink Cooler 
  • JL/JLU 392 HEMI Wranglers (2021–2025)
  • PSC Cylinder Assist® kits (if you’re upgrading the whole steering system)

Specs

Bolts:

  • 2 × 1/4-20 x 1 1/4" HHD Grade 8 Yellow Zinc
  • 4 × 1/4-20 x 3/4" HHD Grade 8

Nuts:

  • 6 × 1/4-20 Nylon Lock Nut Zinc

Washers:

  • 12 × 1/4" SAE Flat Washer

What’s included

All the hardware listed above, bagged and ready to go.

California Prop 65 Warning

California Prop 65 Warning

This product can expose you to chemicals including lead and di (2-ethylhexyl) phthalate, which are known to the State of California to cause cancer, birth defects or other reproductive harm.

For more information, go to www.P65Warnings.ca.gov