Engine swaps, turbo builds, track days every time you pull the motor on an S13 you hate life… until now. This HotMetalFab kit turns the entire front radiator support into a 10-minute removable assembly. Drop the engine, swap turbos, or just clean the bay without fighting factory junk forever.
Why Every Serious S13 Build Runs This Kit
- 1.5" × .120 HREW main tubes – stupid strong, zero flex
- 10-gauge laser-cut & bent strut tower plates (ship flat – you wrap them exactly how your car needs)
- 10-gauge frame rail plates – perfect fit every time
- Front radiator tube fully removable in minutes
- Optional quick-release tube couplers – pull two pins and the whole front tube drops (game changer)
- Tubes shipped ~2" long – trim once, weld once, done forever
- 100% weld-it-yourself – mock it, burn it, own it
Options at Checkout
- Standard kit (welded tubes)
- + Quick-release couplers (removable front tube – worth every penny)
Frequently Asked Questions
Do I have to weld it?
Yes this is a proper WIY kit. If you can’t weld, find a buddy who can.
Will it clear big turbos / clipped radiators?
Designed around SR20, RB, LS swaps with dual-pass radiators and 60–67mm turbos. Zero issues.
Strut plates really ship flat?
Yes makes shipping cheaper and lets you form them perfectly around your strut tower (5 minutes with a vice and hammer).
Finish?
Raw steel – paint, powder, or por15 it yourself.
Lead time?
2–3 weeks. Cut and bent fresh when you order in Loomis, CA.
Shipping?
UPS Ground – fits in a surprisingly small box.







