Pro-Line 1.9" XL Dual Stage Rock Crawling Foam Inserts (2) (Closed Cell Inner/Soft Outer)

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Pro-Line 1.9" Dual Stage Closed Cell Rock Crawling Foam Inserts feature a lightweight, waterproof blue closed cell foam inner ring, with a soft open cell outer ring, and are perfectly sized for Pro-Line 1.9” XL sized crawler tires. The inner insert is contoured to match the shape of the big XL size tires, while the soft outer foam provides maximum grip and maintains a fully supported sidewall to give them the correct shape, improved performance and maximum side-hilling performance. These inserts are extremely durable and will go the distance no matter where your adventure takes you.


  • Dual stage for incredible grip and sidewall support
  • Contoured to perfectly match Pro-Line’s 1.9” XL Tires
  • Extremely Durable Closed Cell Foam
  • Lightweight and Waterproof
  • Inner Closed Cell for Unmatched Sidewall Support
  • Soft Outer for Maximum Traction
  • Improved Performance and Appearance
  • Unique Pro-Line Blue and White Color


  • Interco TSL SX Super Swamper XL 1.9” (PRO1197-14)
  • Flat Iron XL 1.9” (PRO10112-00)
  • BFGoodrich Baja T/A KR2 1.9” (PRO10118-14)
  • Hyrax 1.9” (PRO10128-14)

NOTE: These are not a direct fit on Incision Method MR307 (INCIRC00091, INCIRC00100), or KMC XD820 (INCIRC00110, INCIRC00111) 1.9 size wheels and will require modification to the foam.

Height: 4.15" (105mm)
Width: 1.60" (41mm)
Outer Thickness: 0.75" (19mm)

This product was added to our catalog on October 19, 2016

Verified Owner
Friday, Feb 23 2018 (about 2 years ago)
Pro-Line 1.9" XL Dual Stage Rock Crawling Foam Inserts (2)
Works well with Pro-line 1.9 XL interco tires. Foams aren't overly soft, but form to rocks nicely while still supporting the truck on off camber obstacles
Verified Owner
Friday, May 29 2020 (6 days ago)
Pro-Line 1.9" XL Dual Stage Rock Crawling Foam Inserts (2)
Pain in the a$$ to install, but excellent for grip. The only inserts I'll use to go 0.1mph over crazy terrain.
Verified Owner
Sunday, May 24 2020 (2 weeks ago)
Pro-Line 1.9" XL Dual Stage Rock Crawling Foam Inserts (2)
eh... it's not as great as everyone makes it out to be. I think the closed cell foam could be a little smaller giving some more tire flex. I actually am getting worse side hilling with the Deepwoods CR and Pro Line foams vs the stock TRX6 tires and foams. Maybe that's because it's a 2.2" rim with 1.9 class tire, but the Deepwoods are super soft and don't compress much with these foams.

BUUUUT... there's next to no ballooning, the tires look scale with a great sidewall shape, and the foams don't let the tire tread wrap around itself.

It's pricey, but I'm expecting to get several tires through these foams. If the foams don't last long then they'd be a 3*.
Thursday, Mar 12 2020 (3 months ago)
Pro-Line 1.9" XL Dual Stage Rock Crawling Foam Inserts (2)
These are great. I like softer foams for my crawler. I have the 1.9 Pitbull Rockbeast tires and the stock foam was too firm. I got these foams and they fit in perfect, and IMO I now have the perfect crawler tire! Love them. Highly recommend.
Saturday, Jul 28 2018 (about a year ago)
Pro-Line 1.9" XL Dual Stage Rock Crawling Foam Inserts (2)
Great upgrade! I run these with the Proline Super Swamper XL and Faultline wheels.