Kits YOU Build!

Model Rocket Centering Rings and Engine Blocks (Spiral Wound Paper)

Model Rocket Centering Rings are used to center a smaller tube (often an engine mount tube) inside a larger diameter tube. These rings are made from spiral-wound paper. Most are designed to be used in pairs. Some sizes of Centering Rings are also used as Engine Blocks in motor mounts.

MM/10.5 Centering Rings

Centers MicroMaxx (T-MM) Tube into T-10.5 Tube

View Details »

10.5/5 Centering Rings

Centers T-10.5 Tube into T-5 Tube also can be used as a 13mm Engine Block

View Details »

5/20 Centering Rings

Centers T-5 Tube into T-20 Tube also can be used as an 18mm Engine Block

View Details »

20/50 Centering Rings

Centers T-20 Tube into T-50 Tube also can be used as a 24mm Engine Block

View Details »

20/50 Long Centering Rings

Centers T-20 Tube into T-50 Tube also can be used as a 24mm Engine Block

View Details »

50/55 Centering Rings

Centers T-50 Tube into T-55 Tube

View Details »

24/29 Long Centering Rings

Centers T-50 (24mm) Tube into T-29 Tube also can be used as a 29mm Engine B...

View Details »

29/38 Long Centering Rings

Centers T-29 (29mm) Tube into T-38 (38mm) Tube

View Details »

What's New

03/25/2020 - Yes, we are open!
We are open and shipping! Details...
03/12/2020 - New Neon Sport 'Chutes now available!
Bring your rockets back to ground in style! Details...
03/03/2020 - March Specials Updated
Specials for this month are online now! Details...
02/21/2020 - New Q-Jet Value Pack now in stock!
Combo pack of 12 assorted Q-Jets is now available, Aerotech E30 engines also back in stock. Details...
View all news items

Testimonials

I received my order today and wanted to say thank you for good packaging and quality products. I got just what I needed and will be looking to you for my future needs. - John C.

View all testimonials