#1503 - GLOW PLUG MEDIUM/COLD R4
For 0.18 To 0.28ci (3 To 4.7cc) Engines 16% to 25% Nitro
Discontinued, replacement part: #160410
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
Discontinued Unfortunately, the part that you require is an older part which has been discontinued and therefore no longer available from HPI Racing. There may still be old stock available, please check with your local distributor for local retailer and stock information.