This is one Standard Engine Plugs, for Rocket Engines, (40pcs) by Estes Rockets. Please note in store availability and pricing may vary. Included are 20 each of the yellow plugs for 1/2A6, A8 and B4 standard engines and magenta plugs for B6 and C6 standard engines.
Sale!
Estes Std Igniter Plug (5 Magenta 5 Green) 2251
$5.55
47776022515
Availability: In stock