Features and Benefits
HPS high temperature 3-ply reinforced silicone heater hose kit (part number 57-1421) replaces 1986-1992 Mazda RX7 FC3S Non Turbo Left Hand Drive stock OEM rubber heater coolant hoses with high-heat resistance material which meets or exceeds OE specifications (Maximum temperature rating: 350F).

Vehicle Application
1986-1992 Mazda RX7 FC3S Non Turbo Left Hand Drive

Remark: Silicone hose water permeation rate is 10 to 15 times greater than standard EPDM rubber hose. Checking water level regularly is highly recommended when silicone coolant hoses are used in a daily driving vehicle.

Product Highlights
- Ideal replacement or upgrade for OEM or aftermarket parts.
- The premium grade high-heat resistance 3-ply reinforced silicone hoses are made with correct bends and curves to ensure a perfect fitment.
- Includes 100% stainless steel non-perforated embossed hose clamps for easy installation, which do not cut through the silicone hoses.
- Prevent and fix the coolant leaking and engine over heating problem caused by cracked, damaged or collapsed OEM heater coolant hoses
- Race proven design with long lasting quality and engineered for extremely high temperature service and prolonged exposure to under-hood and coolant heat.
- Maximum temperature rating: 350F.

Product Information
- Product Type: Silicone Heater Hose Kit
- Material: High Temperature Reinforced Silicone
- Available Colors: Black, Blue and Red
- Warranty: 2 Years
- Weight: 2 lb
- Shipping Box Dimension: 16 inch x 10 inch x 6 inch

Included in the kit
- HPS Performance Reinforced Silicone Hoses
- HPS Performance 100% stainless steel non-perforated embossed hose clamps