1/2A6-2 (3ea)

The Estes 1/2A6-2 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 2 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 starter plugs.

A8-0 (3ea)

The Estes A8-0 engine is a booster stage engine designed for model rocket flight and has to be used with a standard engine. This engine is for flights in rockets weighing less than 4 ounces, including the engines. Each package includes 3 engines, 4 starters and 4 plugs.

A8-3 (3ea)

The Estes A8-3 Rocket Engine is a single stage engine designed for model rocket flights. Estes 1598 contains an18 mm standard engine designed for flights in rockets weighing 3 ounces or less, including engine. Each package includes: 3 A8-3 Engines 4 starters 4 starter plugs Estes 1598 is best for beginner-build level rocket kits that uses18 mm standard engines such as: 1225 Alpha 1256 Alpha III 1261 Baby Bertha 1292 Wizard 1706 Orbis 3D

A8-5 (3ea)

The Estes A8-5 engine is an upper stage stage engine designed for model rocket flight. This engine can also be used as a single stage engine in rockets weighing less than 5 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.

B4-2 (3ea)

The Estes B4-2 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.

B4-4 (3ea)

The Estes B4-4 Rocket Engine 3-Pack is an 18 mm, single-staged engine designed for model rocket flights. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine. Each 3-pack package includes: 3 engines 4 starters 4 plugs 1602 B4-4 Rocket Engine 3-Pack is compatible with majority of Estes rocket kits including:  1225 Alpha 1292 Wizard 1261 Baby Bertha 1946 Boosted Bertha 1948 Big Bertha 1949 Viking 2…

B6-0 (3ea)

The Estes B6-0 engine is a booster stage engine designed for model rocket flight and has to be used with a standard engine. This engine is for flights in rockets weighing less than 4 ounces, including the engines. Each package includes 3 engines, 4 starters and 4 plugs.

B6-2 (3ea)

The Estes B6-2 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4.5 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.

B6-4 (3ea)

The Estes B6-4 Rocket Engine 3-Pack is a medium engine pack that delivers high altitude flights. As a standard 18mm single-stage engine, this is designed for larger, heavier rockets. Estes 1606 B6-4 Engine Bulk Pack package includes -- 3 B6-4 Engines 4 starters  4 starter plugs B6-4 Rocket Engine 3-Pack is best used in the rocket kits below -  0651 Der Red Max 1225 Alpha 1256 Alpha III 1261 Baby Bertha 1292 Wizard 1329 Multi-Roc 1946 Boosted Bertha 1948 Bi…

B6-6 (3ea)

The Estes B6-6 engine is an upper stage engine designed for model rocket flight. This engine can also be used as a single stage engine in lightweight rockets. Each package includes 3 engines, 4 starters and 4 plugs.

C5-3 (3ea)

The Estes C5-3 engine means 50% increase in maximum thrust over a standard C engine and the punch you need to propel those heavier rockets off the pad. The Super C is a great choice for larger birds and for payload rockets, like competition egg-lofters, that need that extra push.

C6-0 (3ea)

The Estes C6-0 engine is a booster stage engine designed for model rocket flight and has to be used with a standard engine. This engine is for flights in rockets weighing less than 4 ounces, including the engines. Each package includes 3 engines, 4 starters and 4 plugs.

C6-3 (3ea)

The Estes C6-3 engine is a single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.

C6-5 (3ea)

The Estes C6-5 engine is a single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.

C6-7 (3ea)

The Estes C6-7 engine is an upper stage engine designed for model rocket flight. This engine can also be used as a single stage engine in lightweight rockets. Each package includes 3 engines, 4 starters and 4 plugs.