NAPREC SR20DE(T) Uprated Valve Spring Kit (Double)

Car maker: Nissan
Car Model: Silvia (S13,S14,S15)
Engine: SR20DE(T)
These are newly designed racing valve springs for the SR20DE(T). They are double springs configured for racing.
They come with 16 seat washers for the special inner springs.
(Retainers are sold separately. Please choose between titanium and chromoly when purchasing.) (The photo shows the titanium retainer.) Valve springs are a very important part of the SR20 engine. Rocker arm problems can also be minimized depending on the valve springs.

For more details, please go through the below link
NAPREC SR20DE(T) Uprated Valve Spring Kit (Double)