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Product Detail
Specification
Yellow: Spring rate increased by approx. 3%Description
High quality silicon chromium steel oil tempered wire for valve springs (JIS SWOSC-V) has been shot peened to improve metal fatigue strength.
This product is resistant to heat dripping even when used for a long time at high temperatures, and demonstrates stable performance.
It is a reliable Japanese production product.
This product is resistant to heat dripping even when used for a long time at high temperatures, and demonstrates stable performance.
It is a reliable Japanese production product.
Note
Other types are here
Caution
*Paint on the spring is for identification purpose only.The finish is about the same as the product you have.The paint may peel off during use.*Please select the product with the best spring rate after fully understanding the engine horsepower and peak power generation speed of the bike.
●Center Spring Selection Guide [For Mopeds]
・Stock engine and stock exhaust: Standard -3% increase
・Stock engine and aftermarket exhaust: 3% up - 10% up
・Bored up engine + aftermarket exhaust: Up 10%
