Turbo Manifold Mockup Kit 1.5" NPS SCH10S (48.3mm OD) – 136pc BUILDER

Turbo manifold and header mockup blocks for 1.5" NPS schedule 10 pipe

136 magnetic mockup blocks in 1.5" NPS SCH10S (48.3mm OD), our standard shop kit in the larger pipe size. Enough volume to model a full manifold or header and still have blocks spare to trial a second routing, which matters most on larger diameter builds where a primary that will not clear the bulkhead is an expensive discovery to make in stainless.

What it does

• Model full manifolds and headers in 1.5" NPS pipe with blocks spare for alternatives
• Trial competing primary routes without dismantling the first attempt
• Balance equal length primaries by block count
• Model the merge collector and confirm the collector angle before you cut
• Confirm turbo, wastegate and downpipe clearance before any pipe is cut
• Generate an accurate cut list and material order

Kit contents (136 pcs)

• 12 × 30° 1D
• 12 × 30° 1.5D
• 12 × 45° 1D
• 12 × 45° 1.5D
• 12 × 90° 1D
• 12 × 90° 1.5D
• 25 × 15 mm straight
• 12 × 25 mm straight
• 6 × 50 mm straight
• 4 × 75 mm straight
• 4 × 100 mm straight
• 6 × Flexible Flange Adapters
• 5 × Flat Pipe Measuring Gauges
• 1 × Pipe Guide
• 1 × Heavy Duty Plastic Carry Case

Pipe compatibility

Matched to 1.5" NPS schedule 10S stainless pipe, 48.3mm outside diameter. Note that pipe is sized by nominal bore, not outside diameter. 1.5" NPS pipe is not the same as 1.5" OD mandrel bent tube, and the two are not interchangeable.

Header and manifold mockup, step by step

1. Mount the flange adapters to your head flange or turbo flange
2. Snap bends and straights together, rotating each joint to clear obstructions
3. Adjust until every primary is routed and the lengths are balanced
4. Count your blocks for the cut list, then cut, tack and TIG weld to match

Specification

Made to order in Britain

Every kit is produced to order in our own workshop rather than pulled off a shelf. That is why we can supply centreline radii and pipe sizes the imported kits do not offer. Need a size that is not listed? Get in touch and we will quote it.

FAQs

Can I use this to design an exhaust header?
Yes, as long as you are building in pipe. These blocks are dimensioned for 1.5" NPS schedule 10 pipe. Mandrel bent tube sized by outside diameter needs different blocks.

BUILDER or STARTER in 1.5" NPS?
STARTER covers one manifold with a straightforward routing. BUILDER gives you the headroom to model more cylinders, or to try two routings side by side and pick the better one.

Can I add to this kit later?
Yes. Straights and 30, 45 and 90 degree bends are all sold as add-on packs in this same 1.5" NPS SCH10S size, so you can top up whichever angle you run short on.

Does the larger pipe size change how the blocks work?
No. The system is identical, the blocks are simply scaled to 48.3mm OD. Blocks from different pipe sizes will not connect to each other.

Can I mix 1D and 1.5D bends in one manifold?
Yes, and most builds do. Tight 1D bends get you round obstructions, 1.5D bends flow better on the open sections. Both radii are included in equal quantity.