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Feuling Relief Valve Plunger Spring & Roll Pin Kit
Feuling Relief Valve Plunger Spring & Roll Pin Kit is compatible with stock cam support plates. The Feuling spring increases the pressure relief valve pop-off PSI.
Note: Feuling recommends bench testing with the Feuling cam support plate pressure test tool, 566117, to set pop-off pressure to your preference and to ensure correct valve seal and valve operation.
Note: See 566111 for a replacement relief valve plunger only.
Compatibility: 99-17 Twin Cam (NU)