More info here: http://www.improvedracing.com/an-fittings-...ng-c-61_32.html
RaceFlux Fire-Retardant Silicone Fiberglass Hose Sleeve
- Highly resistant to flames for protection against engine compartment fires
- High abrasion resistance
- 500°F (260°C) maximum continuous
- 2,000°F (1,090°C) intermittent 15-20 minutes
- 3,000°F (1,650°C) intermittent 15-30 seconds
- Resists most chemicals and fluids
- Extremely flexible

RaceFlux Aluminized Kevlar (Aramid Fiber) Velcro Hose Sleeve
- Has a Velcro closure for easy installation over existing hose and wiring
- Aluminum outer layer reflects 90% of radiant heat
- Kevlar aramid fiber inner layer is highly abrasion and flame resistant
- 500°F (260°C) maximum continuous
- 1,000°F (538°C) intermittent
