Estes B4-2 Bagged Rocket Engines (3) ROCKET STARTER Scale 1:8 Drive 4WD Power

Scale 1:8 Drive 4WD Power Source 4S-6S LiPo Length 23

Not for use in 2WD or 4WD short course trucks

while the scale-accurate look add a professional-grade appearance

These high-quality aluminum bumpers are CNC-machined to ensure durability and strength

secure the thumb screw on the gauge and check the etched marking

Estes B4-2 Bagged Rocket Engines (3) ROCKET STARTER Scale 1:8 Drive 4WD PowerRocket Engine Overview: The Estes B4 2 Bagged Rocket Engines Flight Pack is an all in one pack designed to give you everything you need for three exciting rocket launches. Perfect for single stage rockets weighing up to four ounces, this trusted engine delivers consistent thrust with a five second delay for safe parachute deployment. About the B4 2 Rocket Engines Convenient Bundle for High Flying Fun Each pack includes enough supplies for three full