Engineered specifically for Ford Sierra Sapphire Cosworth 4WD T34 models without a dump valve, this PAFCLASSIC® Silicone Boost Hose Kit replaces ageing factory hoses with reinforced silicone components built to withstand the demanding operating conditions of a turbocharged Cosworth engine.
The kit contains 3 high-performance silicone boost hoses, manufactured from premium 3-ply silicone reinforced with polyester textile fibres. This advanced multi-layer construction provides outstanding resistance to elevated temperatures, sustained boost pressures and long-term material fatigue, helping to maintain boost efficiency and reliable performance under both road and spirited driving conditions.
Designed as a direct replacement for the original hose assembly, the kit installs without modification and delivers precise OEM-style fitment. Whether you're restoring a classic Cosworth, carrying out preventative maintenance or upgrading worn factory hoses, these reinforced silicone hoses offer an ideal balance of durability, reliability and premium finish.
Manufactured in England to exacting standards, every PAFCLASSIC® hose kit is available in a selection of colours, allowing you to personalise your engine bay while maintaining the quality and fit expected from a professionally engineered replacement.
Technical Specifications
Compatibility: Ford Sierra Sapphire Cosworth 4WD T34 (without dump valve)
Type: Silicone Boost Hose Kit
Contents: 3 silicone hoses
Construction: 3-ply silicone reinforced with polyester textile fibres
Operating Temperature: -50°C to +180°C
Installation: Direct replacement
Manufactured in: England
Customisation
AVAILABLE COLOURS
- Black
- Blue
- Red
- Green
- Orange
- White
Please specify your preferred colour when placing your order.
PAFCLASSIC® Logo
The kit is available in two finish options:
- With PAFCLASSIC® Logo for a more exclusive finish.
- Without PAFCLASSIC® Logo for a more discreet, OEM-inspired appearance.
STAINLESS STEEL CLIP KIT
You can choose to have these hoses supplied:
- With Stainless Steel Clip Kit
- Without Clip Kit
Complementary Products
Matching silicone radiator hose kits and silicone ancillary hose kits for the Ford Sierra Sapphire Cosworth 4WD T34 are also available to complete the refurbishment of your engine bay.
Manufacturing & Lead Time
Each kit is manufactured exclusively to order.
Manufactured in: England
Average production time: 10 working days
Why Choose PAFCLASSIC®?
Maintaining the integrity of the boost system is essential for any turbocharged Cosworth engine. Heat cycles, boost pressure and ageing rubber components can all reduce system efficiency over time. PAFCLASSIC® silicone boost hoses are manufactured using reinforced 3-ply construction to provide superior resistance to temperature, pressure and deterioration, helping ensure long-lasting reliability and consistent boost performance.
Developed specifically for the Ford Sierra Sapphire Cosworth 4WD T34 without a dump valve, this kit combines premium British manufacturing, precise fitment and customisation options, making it an excellent choice for restorations, preventative maintenance or performance-focused road cars that deserve components built to last.
