Isk Dual Valve Spring Assembly With Damper — Sp Series, 1.550″ Od (Isk9365-Sp)

Description

“SP” Series Dual Valve Springs with Damper (16) 1.550″ OD

225LBS @ 1.950″ Seat Pressure, 550LBS @ 1.270″ Open Pressure, 1.170″ Coil Bind

ISK9365-SP

K9365-SP

The “SP” series utilises “Hi-Tensile” Chrome Silicon outer material. For applications with radical cams and/or moderately high rpm, where traditional chrome silicon springs prove inadequate, the “SP” series is the next highest level of endurance. All “SP” series springs are Spintron Test-Proven up to 8000 rpm for 700 racing miles.

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