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1977 Honda CB550K Piston Kits, Rings & Pins

Before ordering piston parts for a 1977 Honda CB550K, confirm the engine dimensions and the components being reused. A standard-size piston kit, a ring-only set and a separate Honda pin offer different contents, even when their applications overlap.

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Currently viewing Piston & Ring Sets

Honda motorcycle parts

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Honda CB Piston Pin Clips 15mm Pk/2 ~ Replaces 94601-15000

Honda CB Piston Pin Clips 15mm Pk/2 ~ Replaces 94601-15000

$1.95 USD
05-7201
Secure your piston pins with this 2-pack of 15mm Piston Pin Clips, Japanese made to superior quality and replacing OEM Ref. #94601-15000. Exceptionally broad...
Honda CB750 CB650 CB550 tappet adjuster screw and nut set 90012-426-000

Honda CB Tappet Adjuster Screw & Nut Set ~ Replaces 90012-426-000

$4.61 USD
49-0784
Replace your tappet adjuster screws and nuts with this Tappet Adjuster Screw & Nut Set. Each set includes one tappet adjuster screw and one...
New
Honda CB550F CB550K premium piston ring set (standard size) made in japan 13011-374-000

1974-78 Honda CB550F / CB550K Premium Piston Ring Set (Standard Size)~ Made in Japan

$32.95 USD
73-1025
Restore compression and keep your vintage Honda running strong with this Premium Japanese-Made Standard Size Piston Ring Set, manufactured for superior fit and long-lasting...
New
Honda CB550F CB550K standard size piston ring set 13011-374-000

1974-78 Honda CB550F / CB550K Standard Size Piston Ring Set ~ Replaces 13011-374-000

$19.95 USD
99-4867
Upgrade or rebuild your classic Honda motorcycle engine with this Standard Size Piston Ring Set — designed to replace OEM #13011‑374‑000. This set includes...
New
Honda CB550F CB550K standard size (58.5 mm) piston kit includes piston, rings, pin and clips

1974-78 Honda CB550F / CB550K Standard Size (58.5 mm) Piston Kit ~ Includes Piston, Rings, Pin & Clips

$49.95 USD
99-4870
Upgrade or rebuild your classic Honda motorcycle engine with this Standard Size (58.5 mm) Piston Kit — complete with piston, piston rings, piston pin, and...
New
Honda CB650 CB550 CB500 piston pin 13111-440-000

Honda CB Genuine Honda Piston Pin ~ OEM 13111-440-000 / 13111-286-000

$18.95 USD
99-5321
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Piston Pin — precision‑engineered and made in Japan. This authentic replacement fits and...
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1977 Honda CB550K · Piston & Ring Sets Buying guide

Choose the contents after confirming piston size

The kit includes piston, rings, pin and clips for one piston. The ring-only product supplies rings for one piston, while the genuine Honda pin is separately offered for orders requiring that component.

Parts to consider

1974-78 Honda CB550F / CB550K Standard Size (58.5 mm) Piston Kit ~ Includes Piston, Rings, Pin & Clips 58.5 mm piston kit for one pistonContains piston, rings, pin and a pair of clips; check size before choosing quantities.View part 1974-78 Honda CB550F / CB550K Standard Size Piston Ring Set ~ Replaces 13011-374-000 Standard-size rings for one pistonRing set referencing Honda 13011-374-000, with one-piston contents described.View part Honda CB Genuine Honda Piston Pin ~ OEM 13111-440-000 / 13111-286-000 Genuine Honda replacement pinPin listing identifies Honda manufacture and references 13111-440-000 and 13111-286-000.View part

Separate a ring order from a piston order

If the confirmed repair calls for rings alone, compare the ring-set specification with the fitted piston. If a piston is also needed, check the kit first: it already includes rings and a pin. Build the order from the assessed components rather than buying every related item.

Read the package count before multiplying

Both the standard piston kit and featured ring set are described for one piston, with four packages stated for all pistons. That sale information is separate from the engine’s measured condition. Confirm which pistons need parts and the required size before choosing the number of packages.

Common ordering questions

Is the standard kit specified as 58.5 mm?

Yes. The listing identifies a standard-size 58.5 mm kit with piston, rings, pin and pair of clips. Compare the fitted piston and bore specifications before selecting it, especially where the engine’s previous rebuild history is unknown.

Does the ring-only set include a pin?

Its description identifies a piston ring set for one piston. A pin is separately listed and also named among the complete piston-kit contents. Choose the purchase matching the components actually required for your confirmed repair.

Should I order four kits for a partial repair?

The listing states four kits for all pistons, but each kit supplies one piston assembly. Use the actual number of pistons needing the specified parts after assessment; a partial repair does not automatically call for a whole-engine quantity.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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