Product Description
Valve Stem Keeper Lock for CSC TT250 SG250
Original replacement component for CSC TT250 and SG250. This part is identified by CSC ZT58-108 and Zongshen manufacturer code 100050896.
What This Part Does and Why You Might Need It
Retains a valve stem in its upper spring retainer. These small locks are safety-critical inside an engine; always verify keeper geometry and pair count before installation.
OEM Identification and Specifications
- CSC SKU: ZT58-108
- Zongshen manufacturer reference (2026 stock export): 100050896
- Product type: Valve stem keeper lock
- Position: Valve stem top / spring retainer
- Individual valve keeper/collet; Zongshen 100050896; original Chinese description says improved valve lock; valve mechanism drawing specifies four keepers for two valves
- Alternate published OEM reference: 15707-I008-0001 (correspondence requires verifying the original part)
Fitment and Important Ordering Details
Cataloged CSC applications: TT250 and SG250. This is one individually sold component, unless the description explicitly identifies a multi-piece assembly. Match the original part number, shape and dimension before ordering. Similar CG125/CG200/CG250 parts can vary by design and production revision; no unverified model compatibility is claimed.
