HPI 1450 Dust Protection & O-Ring Complete Set S-25 NItro Star F3.5 /F4.6 /F4.1 Associated Parts so it drops in and

so it drops in and restores full braking authority right away

A high load-bearing and waterproof grease that stays put

perfect for beginners who are looking to get started in the hobby

Add some peace of mind to your ride

Shaker Bottle of Fine Cinder Ballast

HPI 1450 Dust Protection & O-Ring Complete Set S-25 NItro Star F3.5 /F4.6 /F4.1 Associated Parts so it drops in andHPI 1450 Dust Protection & O Ring Complete Set S 25 NItro Star F3. 5 F4. 6 F4. 1 This is a genuine HPI Racing dust protection and O ring complete set for the S 25 and Nitro Star F3. 5, F4. 6 and F4. 1 engines. These small sealing parts keep dirt and debris out of your engine and carburetor while maintaining a proper seal, which is essential for consistent tuning and long engine life. Replace worn or hardened O rings during routine engine maintenance