Description
Part Number: AF28-3956BLK
Aeroflow Constant Tension Dual Bead Hose Clamp 39-56mm (Black)
High-performance black stainless steel hose clamp engineered for consistent sealing pressure under extreme thermal fluctuation.
Key Features
- ☑ Dual Bead Inner Design: Delivers concentrated band-sealing pressure for up to 30% more sealing force than standard worm drive clamps.
- ☑ Constant Tension Action: Automatically expands and contracts with hose temperature changes to prevent boost or coolant leaks.
- ☑ Black Coated Stainless Steel: Provides superior corrosion resistance and a sleek, stealth appearance in high-end engine bays.
- ☑ Soft Hose Safe: Smooth liner design protects delicate silicone intercooler and coolant hoses from pinching or damage.
Technical Specifications
| Manufacturer | AeroFlow Performance |
|---|---|
| Part Number | AF28-3956BLK |
| Clamping Diameter Range | 39mm to 56mm (1-17/32″ to 2-13/64″) |
| Band Width | 12.7mm (1/2″) |
| Suits Silicone Hose Sizes | 32mm (1-1/4″), 38mm (1-1/2″), 44mm (1-3/4″) I.D. |
| Material / Finish | Stainless Steel / Black Coated |
| Recommended Torque | 2.9 to 3.75 ft-lbs (4.0 to 5.1 Nm) |
What’s Included in the Box
- 1x Aeroflow 39-56mm Constant Tension Dual Bead Black Hose Clamp
Designed for demanding race and road applications, Aeroflow Performance hose clamps ensure maximum reliability across forced induction and cooling systems. Order from JP Racing for authentic motorsport components, technical expertise, and fast UK dispatch.





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