Plazmaman LS1/LS2 Cathedral Port Billet Intake Manifold


Introducing Plazmaman’s CNC Billet Aluminium Race Spec Inlet manifold to suit the LS1 & LS2 ‘Cathedral Ports’ head engines. Plazmaman has been at the forefront in street and strip inlet manifold design since the early 90s, and this LS manifold is nothing short of spectacular. Racing design and feedback has been combined, along with Solid Works Computational Fluid Dynamics Software to produce this cutting edge product.

Product Features:

  • Designed to be used with 8 full length, 14mm, top-feed injectors (8 injector only, 16 injector not available on this intake).
  • Suitable for the LS1 & LS2 ‘Cathedral Ports’ heads.
  • Smooth, tough looking design perfectly suited for show vehicles.
  • Lifetime structural guarantee.

Whats Included:

  • Plazmaman Billet Inlet Manifold.
  • Fuel Rails.
  • Throttle Body Adaptor to suit OEM DBW 90/102mm or any 102mm LS bolt pattern throttle body.
  • Optional SFI approved burst panel (extra cost).

Available in Anodised Silver, Stealth Black or Black Top/Silver runners option.

SKU: plazmaman-ls1-intake Categories: ,


This item is custom made to order and will ship direct from manufacture. Expect 2-4 weeks for completion.

Additional information

Weight 640 oz
Dimensions 30 × 30 × 20 in
Product Finish

Anodized Silver, Anodized Black, Anodized Black Top+Valley / Silver Runners

Burst Panel

Not Required, SFI Spec 23.1 Lid Option