Plazmaman Chevrolet LS1 / LS2 Cathedral Port (4th Gen Camaro / GTO / Pontiac G8 / C5 Corvette) CNC Billet Race Inlet Manifold
Made To Order · 2–4 Week Lead TimeEach Plazmaman piece is CNC-machined to order in Australia. Plan on roughly 2–3 weeks from purchase to delivery (2–4 working day build + international shipping from AU).
LS1 / LS2 Cathedral Port CNC Billet Intake Manifold — Plazmaman's billet intake for cathedral-port LS engines — 4th gen Camaro Z28/SS, C5 Corvette, GTO, etc. Includes optional billet valley plate (anodized to match), 102mm DBW or Plazmaclamp inlet, and S
or as low as $326.02/mo with Affirm
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LS1 / LS2 Cathedral Port CNC Billet Intake Manifold
CNC-machined 6061 billet aluminium — built to order in Australia
LS1 / LS2 Cathedral Port CNC Billet Intake Manifold
Plazmaman's billet intake for cathedral-port LS engines — 4th gen Camaro Z28/SS, C5 Corvette, GTO, etc. Includes optional billet valley plate (anodized to match), 102mm DBW or Plazmaclamp inlet, and SFI burst panel.
BUILT TO ORDER · SHIPS DIRECT FROM PLAZMAMAN AUSTRALIA · 2–4 WEEK LEAD TIME
What You Get
- 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.
- 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).
On Paper
- Construction
- 6061 Billet Aluminium (CNC)
- Compatibility
- LS1/LS2
- Finish Options
- Anodized Silver / Black / Black Top+Silver Runners
- Injector Quantity
- 8 or 16 (configurable)
- Throttle Body
- Multiple options (DBW or cable)
- Burst Panel
- Optional — SFI Spec 23.1
- Origin
- Plazmaman, Wetherill Park, NSW (Australia)
- Weight / Dimensions
- 19 kg / 65 × 40 × 30 cm
Fitment Notes
4th Gen Chevrolet Camaro (1998–2002 LS1), C5 Corvette (1997–2004 LS1/LS6), Pontiac GTO 2004 (LS1), GMC Yukon Denali / Cadillac Escalade LS-swap. Cathedral-port heads only — does not fit LS3/LS7 rectangular-port heads.
Made-to-Order Production
Each Plazmaman piece is CNC-machined to order at the Wetherill Park, NSW factory in Australia. Standard build time is 2–4 working days at the shop, plus international shipping. Plan on roughly 2–3 weeks from purchase to delivery. Anodized finish, custom injector configurations, and burst-panel lids are all built to order — non-cancellable once production starts.
About Plazmaman
Plazmaman is an Australian (Wetherill Park, NSW) CNC manufacturer specializing in billet intake manifolds, throttle bodies, and engine accessories for the LS, Coyote, Hemi, GT350, Camaro, and Corvette platforms. Their parts have set numerous land-speed and quarter-mile records, including Brett LaSala’s “Snot Rocket” Coyote Mustang. Each piece is built to order from raw 6061 stock at the same shop that builds for NHRA Pro Mod and Pro Stock customers worldwide.
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You'll get an instant confirmation email with your part details and invoice. We source from a network of authorized suppliers across the country, so lead times vary by brand and part type — we'll send a tracking number the moment your parts move.
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