was $14.99
$12.25
The O.S. P3 Gold "Ultra Hot" Turbo Glow Plug glow plugs have always been tough enough to take the heat — and Speed P3 and P4 Turbo Plugs. They’re the perfect complement for .18-.28 cu. in. turbo head off-road racing engines. Even more important, Speed P3 and P4 plugs boast many performance upgrades.
Features:
Easier to tune
More low-to-middle range power
Quicker throttle response
Faster acceleration
Better mileage
Crisper idling, with a difference you can hear
Increased longevity
Speed P3 ideal for ultra-hot applications; Speed P4 ideal for super-hot applications
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