#1503 - BOUGIE MEDIUM FROIDE R4
Nitro Star S-25 Standard
Power Plugs for Nitro car and truck engines! HPI Power Plugs use a unique blend of platinum and iridium metals to produce a range of quality glow plugs that is suitable for hobbyists and racers.
Recommended Power Plugs for HPI engines:
#1502 Glow Plug Medium R3
#1503 Glow Plug Medium/Cold R4
#1504 Glow Plug Cold R5
#1504 BOUGIE FROIDE R5
#1502 BOUGIE MOYENNE R3