OS Engines
O.S. Engines P3 Turbo Glow Plug "Ultra Hot" (OS 71641300)
This is a P3 "Ultra Hot" Turbo Glow Plug from OS Engines.
| Model | Heat Range | Description |
| P5 | Very Hot | For most .18-.28 off-road racing Turbo head engines, especially when the temperature is high or for leaner needle settings and high-nitro/high-rpm running |
| P4 | Super Hot | For most .18-.28 off-road racing Turbo head engines |
| P3 | Ultra Hot | For most .18-.28 off-road racing Turbo head engines |
"Ultra Hot" Off-Road Plug
O.S. Engines P4 Turbo Glow Plug "Super Hot" (OS 71641400)
This is a P4 "Super Hot" Turbo Glow Plug from OS Engines.
| Model | Heat Range | Description |
| P5 | Very Hot | For most .18-.28 off-road racing Turbo head engines, especially when the temperature is high or for leaner needle settings and high-nitro/high-rpm running |
| P4 | Super Hot | For most .18-.28 off-road racing Turbo head engines |
| P3 | Ultra Hot | For most .18-.28 off-road racing Turbo head engines |
"Super Hot" Off-Road Plug
O.S. Engines No.8 Standard Glow Plug "Medium" (OS 71608001)
This is a #8 "Medium" Standard Glow Plug from OS Engines.
The O.S. #8 glow plug is the most widely used O.S. glow plug for O.S. engines.
"Medium" General Use Plug
O.S. Engines RP8 Turbo Glow Plug "Cold" (OS 71642080)
This is a T-Series RP8 "Cold" Heat Range Turbo Glow Plug from OS Engines.
This glow plug is ideal for .12-.21 size O.S. on road racing engines that create high RPM and require a cold heat range turbo style glow plug.
This glow plug is ideal for .12-.21 size O.S. on road racing engines that create high RPM and require a cold heat range turbo style glow plug.
"Cold" On-Road Plug
Out of Stock
$21.95 Inc Tax
O.S. Engines RP7 Turbo Glow Plug "Cold" (OS 71642070)
This is a T-Series RP7 "Cold" Heat Range Turbo Glow Plug from OS Engines.
This glow plug is ideal for .12-.21 size O.S. on road racing engines that create high RPM and require a cold heat range turbo style glow plug.
This glow plug is ideal for .12-.21 size O.S. on road racing engines that create high RPM and require a cold heat range turbo style glow plug.
"Cold" On-Road Plug
Out of Stock
$21.25 Inc Tax
O.S. Engines P7 Turbo Glow Plug "Medium" (OS TP7P000580)
This is a P7 "Medium" Turbo Glow Plug from OS Engines.
| Model | Heat Range | Description |
| P7 | Medium | An all-season, medium-heat plug for Turbo head engines |
| P6 | Hot | A hot choice for all .12-.21 Turbo head engines |
| P5 | Very Hot | For most .18-.28 off-road racing Turbo head engines, especially when the temperature is high or for leaner needle settings and high-nitro/high-rpm running |
| P4 | Super Hot | For most .18-.28 off-road racing Turbo head engines |
| P3 | Ultra Hot | For most .18-.28 off-road racing Turbo head engines |
"Medium" Off-Road Plug
O.S. Engines RP6 Turbo Glow Plug "Medium" (OS 71642060)
This is a T-Series RP6 "Medium" Heat Range Turbo Glow Plug from OS Engines.
This glow plug is ideal for .12-.21 size O.S. on road racing engines that create high RPM and require a cold heat range turbo style glow plug.
This glow plug is ideal for .12-.21 size O.S. on road racing engines that create high RPM and require a cold heat range turbo style glow plug.
"Medium" On-Road Plug
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