HPI 1433 Starting Pin/Pressure Spring .21 BB Nitro Star F3.5 / F4.6 / F4.1

HPI 1433 Starting Pin/Pressure Spring .21 BB Nitro Star F3.5 / F4.6 / F4.1

This is a Start Pin and Pressure Spring for the HPI Nitro Star .21BB engine.

FEATURES: Steel pin and pressure spring

INCLUDES: One 2.5 x 5 mm pin
One 2.5 x 7.5 mm spring