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

05/22/2019 - Big WAC is back!
Our popular 2.6" diameter WAC Corporal kit is available again! Details...
05/02/2019 - May Specials Updated
Specials for this month are online now! Details...
04/29/2019 - Aerotech F67-6W back in stock.
Also F42-4T... Details...
04/09/2019 - Estes RTF Saturn V Kit here now!
1/200th Scale kit is now in stock! Details...
View all news items

Testimonials

Thank you for all the wonderful rocket kits. You have made AEROSPACE SPECIALTY PRODUCTS a top notch company by offering nothing but the highest quality products along with gold standard customer service. Thank you! - Steve S.

View all testimonials