Royal Enfield Tappet Door Plate (Part No. 570817/C) is a genuine OEM engine component designed for the Classic 350 Twinspark UCE engine. Also known as the Tappet Plate, Valve Inspection Cover or Rocker Inspection Cover, this component seals the tappet adjustment opening while protecting the valve train from dust, moisture and engine oil leakage.
Manufactured to Royal Enfield’s original specifications, this tappet door plate is made from durable metal with a precision-machined sealing surface for a leak-free fit and long-lasting performance. It is the ideal replacement for damaged, bent, corroded or worn inspection covers during engine servicing, tappet adjustment or restoration work.
Replacing a worn tappet door helps maintain proper engine sealing, protects the rocker arm and valve mechanism, and preserves the original factory appearance of your Royal Enfield engine. It installs directly using the original mounting points without any modification.
Key Features:
- Genuine Royal Enfield OEM Spare Part
- Part Number: 570817/C
- Tappet Door / Tappet Plate
- Valve Inspection Cover
- Precision OEM Fitment
- Durable Metal Construction
- Prevents Oil Leakage
- Protects Tappet & Rocker Assembly
- Corrosion Resistant Finish
- Direct Replacement Installation
Compatibility:
- Royal Enfield Classic 350 Twinspark UCE
- Royal Enfield Bullet 350 UCE
- Royal Enfield Electra 350 UCE
- Royal Enfield Standard 350 UCE
- Compatible with motorcycles using Part No. 570817/C.
Package Includes:
- 1 × Genuine Tappet Door Plate (570817/C)










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