Super-lightweight carbon composite velocity stacks with ultra-low friction internal coating for maximum airflow.
Up to 9,000× more heat-insulative than aluminium, keeping intake temps lower for more consistent power.
Direct bolt-on fit with the common M5 × 65 mm Jenvey/Weber mounting spacing.
Made to order – please allow 7-10 days for manufacture before shipment.
Price range: £30.00 through £43.00
Manufactured using Direct Digital Manufacturing (DDM) from high-strength carbon composite, these velocity stacks are super lightweight, exceptionally insulative, and finished with a specialist ultra-low friction internal coating to maximise airflow efficiency. Designed to fit the common M5 × 65 mm Jenvey/Weber mounting spacing, they’re a true bolt-on upgrade.
Hollow Carbon Composite Construction
Unlike aluminium, our stacks are naturally insulating. In fact, they are up to 5,000 times more effective at preventing heat transfer than metal. This keeps intake air cooler, reduces heat soak, and delivers more consistent power.
Ultra-Lightweight
With an incredible weight saving over aluminium, our velocity stacks improve throttle response and reduce overall vehicle mass.
Efficient & Sustainable Manufacturing
DDM only adds material where needed – resulting in less than 0.001% waste during production.
Optimised Geometry, Perfect Fit
Each velocity stack is precision-designed for your throttle body size, bore spacing, and length requirements. With the standard Jenvey/Weber M5 × 65 mm bolt pattern, installation is quick and hassle-free.
Made to order – please allow 7-10 days for manufacture before shipment.
| Weight | 0.5 kg |
|---|---|
| Dimensions | 200 × 200 × 100 cm |
| Throttle Body entrance size (mm) | 38, 40, 42, 45, 48, 50, 52, 54 |
| Length (mm) | 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, 150 |
| Bore Spacing (mm) | 79, 84, 85.5, 87.5, 88, 89, 90, 91, 91.8, 93, 94, 96, 98, 100, 102, 108, 111.76, 118, 120.9 |
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