RSA builds solid fuel rocket engines such as:

-RSA-3-1, solid 51,000 Kgf (for Israel and South Africa) for RSA-3 and Shavit.

-RSA-3-2, similar to 5,300 Kgf.

- RSA-3-3 of 5,300 Kgf (AUS-51 engine in Israel).

-The RSA-4-1 of 155,000 Kgf.

-The RSA-4-2 of 69,000 Kgf.