[Product Description] Valve Spring Inner x 8pcs Valve Spring Outer x 8pcs
TYPE-R: Marking color light green Made in Japan (by Murata Spring) Valve springs with egg-shaped cross section Improved fatigue limit by more than 50
[Recommended lift and example of camshafts] Minimum cam lift 9.4mm- GPz1100, Z1100R stock cam lift (9.4mm)
Maximum cam lift up to 11.0mm Yoshimura ST2 (in 10.0mm) Webcam 395(10.03mm) Webcam420(10.67mm) Webcam435(11.04mm) KENT KAW16 competition(9.88mm) KENT KAW17 race(10.57m) etc.
*Requires inner shim conversion using stock retainer for GPz1100 *Only GPz1100 and Z1100R retainers (part number 12009-1006) can be used for the inner shim retainer.
Type R is for GPz1100, Z1100R stock camshafts and comm ercial tuning camshafts with 9.4mm -11mm of lift The target model is all Z series from Z1 to GPz1100.
Silicon chromium steel oil tempered wire is used. By reducing the weight and friction of the valve springs, the valve train works smoother and more accurately, which not only improves performance but also minimizes wear and tear. The margin of contact between lines is large enough to avoid damage.It is not easy to reduce the valve load, and the performance of the engine can be maintained longer.
Egg-shape valve springs with modern technology for optimum performance
ES "Egg Shape" is an abbreviation of "Egg Shape" in Japanese. The air-cooled Z engine was designed nearly 50 years ago, and the various internal parts that make up the engine are still the same as the original design. Not only valve springs, but also the design, material, manufacturing method, heat treatment and surface treatment technology have evolved remarkably in the past 50 years. ES valve springs are the result of modern technology, and with the help of Murata Spring, one of Japan's leading valve spring manufacturers, we have been able to offer a wide range of valve springs This part has been developed as a part that can bring further optimization to the air-cooled Z engine. Reliable valve actuation, low friction and durability.The theme is not "enhancement" but "optimization".
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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