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  • 1969-76 Honda CB750 Piston Ring Set ~ 1st Oversize +0.25mm
Honda CB750 1ST oversize piston ring set +0.25mm 13021-300-024
Corrected parts fiche reference for SKU 05-7001
Honda CB750F CB750K Piston Ring Set - 1st Oversize (0.25mm.) - Replaces Honda OEM 13021-300-024 — 01-product (05-7001)
Honda CB750F CB750K Piston Ring Set - 1st Oversize (0.25mm.) - Replaces Honda OEM 13021-300-024 — 02-rear (05-7001)
Honda CB750F CB750K Piston Ring Set - 1st Oversize (0.25mm.) - Replaces Honda OEM 13021-300-024 — 05-left (05-7001)
Honda CB750F CB750K Piston Ring Set - 1st Oversize (0.25mm.) - Replaces Honda OEM 13021-300-024 — 06-right (05-7001)
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60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
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Honda CB750 1ST oversize piston ring set +0.25mm 13021-300-024

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Load image into Gallery viewer, Honda CB750 1ST oversize piston ring set +0.25mm 13021-300-024
Load image into Gallery viewer, Corrected parts fiche reference for SKU 05-7001
Load image into Gallery viewer, Honda CB750F CB750K Piston Ring Set - 1st Oversize (0.25mm.) - Replaces Honda OEM 13021-300-024 — 01-product (05-7001)
Load image into Gallery viewer, Honda CB750F CB750K Piston Ring Set - 1st Oversize (0.25mm.) - Replaces Honda OEM 13021-300-024 — 02-rear (05-7001)
Load image into Gallery viewer, Honda CB750F CB750K Piston Ring Set - 1st Oversize (0.25mm.) - Replaces Honda OEM 13021-300-024 — 05-left (05-7001)
Load image into Gallery viewer, Honda CB750F CB750K Piston Ring Set - 1st Oversize (0.25mm.) - Replaces Honda OEM 13021-300-024 — 06-right (05-7001)
5.0 ( 4 reviews)

1969-76 Honda CB750 Piston Ring Set ~ 1st Oversize +0.25mm

05-7001
$27.95 USD
In stock Usually ships the same or next business day
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,330 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
Browse all parts

4 product reviews

1969-76 Honda CB750 Piston Ring Set ~ 1st Oversize +0.25mm

1969-76 Honda CB750 Piston Ring Set ~ 1st Oversize +0.25mm
$27.95 USD
Description

Bore your early CB750 up 0.25mm with this 1st Oversize Piston Ring Set (+0.25mm). Japanese made to superior quality, replacing OEM Ref. #13021-300-024. Fits the 1969-76 CB750K, 1975 CB750F Supersport, and 1976 CB750F Supersport (with engine serial numbers below #2551568, check your serial for 1976F).

Note: this set includes rings for one piston. 4 sets needed to rebuild all pistons.

Key Features
• 1st oversize (+0.25mm) piston ring set
• Replaces OEM #13021-300-024
• Japanese made, superior quality
• One piston per set (4 sets for full rebuild)

Fitment / Compatibility
• Honda CB750K (1969‑76)
• CB750F (1975) Supersport
• CB750F (1976) Supersport, engine serial below #2551568

Part Number: 05-7001

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Check the listed model and year, then read any fitment notes in the description.

Make Model Year
Honda CB750K Standard 1969
Honda CB750K 1970
Honda CB750K 1971
Honda CB750K 1972
Honda CB750K 1973
Honda CB750K 1974
Honda CB750K 1975
Honda CB750F Supersport 1975
Honda CB750K 1976
Honda CB750F 1976

Free ground shipping over $50

To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.

Estimated ground delivery after your order ships
DestinationDelivery time
USA4–7 business days
Canada2–6 business days

Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.

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60-day returns on eligible parts

No restocking fees. Eligible parts must be unused, uninstalled, unaltered and complete. The 60-day window starts when your order is delivered.

Electrical parts are excluded from standard returns. Check return eligibility.

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Other shipping options

Canada Post Economy: Available at checkout for select small items. Allow 1–3 weeks for delivery. No tracking or insurance is included.

Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.

Frequently Asked Questions

What does first oversize +0.25mm mean for this piston ring set?

The rings are for cylinders bored 0.25mm over the standard bore. The finished bore and piston size must be measured before ordering.

How many cylinders does one piston ring set service?

One ring set services one piston. Four sets are required for a complete four-cylinder engine.

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