Crawler Innovations is out with another first. Introducing our Heavy Weight single stage closed cell foam pair. This new product features our dense car stand foam, cut and shaped into a complete inner tire foam. This dense inner, offers superior steering response, and a firm foundation for your tire. In high power applications, these foams support the tire so that it can drift across the surface. These foams are 100% water proof.
CWR-3310 was designed for use in the Pitbull Tires 2.2/3.0 Rock Beast Short Course (part #PB9004BK) and similar standard height 4.25" Short Course tires. This foam fully fills the tires and it will increase ground clearance and raise ride height. Care must be taken to adjust the vehicle by softening the suspension for the firmer tires and increased traction.
These foams are much firmer than anything available on the market. They do not fold over under load whether it's high speed, heavy weight, or simply turning. These foams rely on a small air gap between the foam and tire. This loose area allows for the tire to obtain traction, while the foam supports the tire.
If you are interested in completely filling the tire with foam and do not care about waterproofness, the Lil Nova 4.25, 4.50, 4.75" Outers will stretch over this pairing. Those outer P/N's are CWR-2047, CWR-2048, CWR-2049. These outers are cut from conventional foam and are not water proof.
Approximate size: 3.875" Height x 1.750" Width (Remember that foam goes inside the tire and one must subtract lug and carcass thickness, plus any reinforcing from the overall tire height.)
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Posted by Nicolas Bodden on Jul 29th 2020
I have tried another brand and they do a good job but these work even better. No ballooning of the tire and even tire wear. The secrets out, get a set, or get left behind.
Posted by Ryan on Jun 14th 2020
I tried these foams after having no luck with the supplied short coarse foams expanding excessively on my Traxxas No Prep drag car. These foams really do keep expansion to a minimum! Car is so much more stable on the big end of the track. I would highly recommend a set for your rubber tire drag cars!
Posted by Unknown on Jun 4th 2020
These foams worked just as i thought they eould
Posted by Unknown on May 22nd 2020
This foam keeps the tire from collapsing inward thus keeping it from growing into a pizza cutter.