GMR — Graham Martin Racing
Intake Manifolds

Honda K20 SF OBX Short Manifold

from £275.00

from £330.00 inc. VAT

MADE TO ORDER

Built in approx 10 working days

Delivered in around 13 working days — about Fri 30 Oct if ordered today

Advanced Carbon Composite Intake Manifold (Carbon IDT)Made to order using Carbon IDT (Carbon Infused Digital Technology), this high-strength carbon composite intake is ultra-lightweight, highly insulating, and finished internally with a specialist ultra-low friction sealing coat to maximise airflow

Configure · live pricing

Want this, but not quite like this?

A different size, a bore spacing we don’t list, a port shape to suit your head, a fitting somewhere else — we make these ourselves, so most of it is a drawing change rather than a new product. Tell us what you need and we’ll price it.

What’s included

In the base price

  • Carbon composite Honda K20 short intake manifold, bored for your chosen throttle size
  • Mounting hardware to fit the manifold to the cylinder head

Not in the base price

  • Throttle bodies, airbox and velocity stacks
  • Injectors, fuel rail and injector blanks
  • Vacuum ports are machined only if you choose them above; brass fittings come with the 1/8 NPT ports and brass fittings option

Advanced Carbon Composite Intake Manifold

Manufactured using Carbon IDT, (Carbon Infused Digital Technology), high-strength carbon composite, this intake manifold is super lightweight, exceptionally insulative, and finished with a specialist ultra-low friction internal sealing coat to maximise airflow efficiency. Designed to fit Jenvey SF/OBX stye bolt on individual throttle bodies.

Why Our Intake Manifolds Lead the Way

  1. Optimised Geometry, Perfect Fit
  2. No porting is required – we give you the option to choose throttle body size and intake port geometry. We will even make it to suit your ported cylinder head geometry, just send your traced port outline to match, saving you hours of port matching and cost to do so.
  3. Fully Tapered
  4. From port to throttle body there is no compromise on the blend of the shape. Fully tapered from cylinder head to throttle body, no sharp transitions, not straight bottlenecks.
  5. Race fitment
  6. This manifold is designed to be a short, no compromise manifold at exactly the correct angle for intake port entry. Some modifications to the water pump will be necessary.
  7. Jenvey Direct Replacement
  8. This manifold is designed to be a direct replacement for Jenvey MH07
  9. Vacuum and idle ports
  10. 1/8 NPT ports are a no-cost option at the point of purchase, for accurate balancing, manifolding and idle control without drilling and tapping on installation. Brass fittings for those ports are a chargeable extra.
  11. O-Ring head sealing
  12. O-ring seals are utilised to seal the intake manifold to the cylinder head and are maintenance free and indefinitely useable. This much improved sealing technique reduces liklihood of sealing failure.
  13. Hardware included
  14. Each Intake manifold comes with mounting hardware required to fit to the cylinder head, O-rings, bolts, torque limit spacers etc.
  15. Hollow Carbon Composite Construction
  16. Unlike aluminium, our intake manifolds 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.
  17. Ultra-Low Friction Internal Coating
  18. The inner surfaces are treated with a specialist airflow sealing coating, reducing drag and turbulence inside the system. The result: smoother, faster airflow and enhanced volumetric efficiency.
  19. Ultra-Lightweight
  20. With an incredible weight saving over aluminium, our intake manifolds, increase power, reduce air intake temperature, improve throttle response, and reduce overall vehicle mass. Full assembly weight of 510g including fasteners!

Made to order.