This head is designed to boost performance. It has higher compression ratio than stock and an optimized combustion chamber.
Kamtechnik Turbo heads accept “Turbo” style taper seat glow plugs to optimize combustion chamber shape. Plug is not included. Turbo type glow plugs are available in a wide selection of heat range for tuning. Suitable plugs for .049 are OS P4, P5, RP6 and other makes in the hot to medium hot range.
Standard 1/4″-32 plugs are not compatible!
Made in the USA!