Description
Comparison points and tradeoffs
When comparing Piston Ring Set of 2 – Standard – 13011-391-004 – Compatible with Honda CB/CL/SL350K – 1968-1973 with other Piston Rings options, use this source-backed detail as the primary discriminator: Replaces Honda Part Number: 13011-391-004.
Use this second fact to evaluate the tradeoff: Referenced part number: 13011-391-004. A third point to compare across alternatives is: Application note: Replaces Honda Part Number: 13011-391-004 Ring Order: Top Compression Ring (silver outer rim) Second Ring (black outer rim) Bottom Rings (3 pieces – Spacer in the middle – 1 thin ring on either side) Fits Honda: XL175K – 1973-1978 CB350G – 1973 CB350K – 1968-1973 CL350K Scrambler – 1968-1973 SL350K – 1969-1973.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
Set of 2 standard piston ring sets for the stock bore Honda CB/CL/SL350K twins. If you’re just freshening up your top end and having the cylinders honed, install a fresh set of rings to ensure a tight fit. Make sure the Letter stamped on the top two rings are facing up when installing them and stagger the ring gaps according to the manual. Set comes with 4 rings and the oil ring spacer. Features: Ductile Iron Casting (FCD) is superior to OEM rings which were sometimes made from steel.
Superior tensile strength, ductility and elongation compared to steel rings.
FCD is even stronger than regular cast iron.
FCD is used in many automotive parts, which require strength and durability.
Replaces Honda Part Number: 13011-391-004 Ring Order:
Top Compression Ring (silver outer rim)
Second Ring (black outer rim)
Bottom Rings (3 pieces – Spacer in the middle – 1 thin ring on either side)
Fits Honda:
XL175K – 1973-1978
CB350G – 1973
CB350K – 1968-1973
CL350K Scrambler – 1968-1973
SL350K – 1969-1973
Source product highlights
- Replaces Honda Part Number: 13011-391-004
- Check Fitment and notes Below
- Sold As a Set of 2
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