Hero Genuine Piston Ring Set O/S 0.25 for Glamour, Glamour FI & Super Splendor | Kit Ring Piston Over Size 0.25 / Engine Ring Set | 13021KTC305S

Hero Genuine Piston Ring Set O/S 0.25 for Glamour, Glamour FI & Super Splendor | Kit Ring Piston Over Size 0.25 / Engine Ring Set | 13021KTC305S

Product Description

Restore compression, oil control, and combustion sealing in a rebored engine with the genuine Hero KIT, RING PISTON (O/S 0.25), part number 13021KTC305S. Hero’s official store lists this exact SKU as KIT, RING PISTON (O/S 0.25) for Glamour and Super Splendor, with visible MRP around ₹248 and quantity 1 unit.

This is the correct replacement when the cylinder has been rebored to 0.25 oversize and the engine needs matching oversize piston rings. It is not the same as the standard bore ring set. A genuine oversize ring kit matters because ring tension, metallurgy, end-gap consistency, and groove fit directly affect compression, oil control, engine smoothness, and long-term durability.

This listing is intentionally customer-focused and conservative for return prevention. The strongest official fitment is Hero Glamour and Hero Super Splendor. Seller references also support older Glamour FI / Glamour Fuel Injection applications for this same SKU.

What This Product Is

Official product identity: KIT, RING PISTON (O/S 0.25).

Customer-friendly names:

• piston ring set oversize 0.25
• ring set piston O/S .25
• 0.25 over size piston ring kit
• engine ring set 0.25
• rebore piston ring kit

Key Features

• Genuine Hero part number 13021KTC305S
• Officially listed by Hero as KIT, RING PISTON (O/S 0.25)
• Official Hero fitment includes Glamour and Super Splendor
• This is an oversize 0.25 ring kit for rebored engines, not the STD ring set
• Hero’s official listing shows 1 unit
• Official Hero visible price is around ₹248
• Seller references support older Glamour FI / Glamour Fuel Injection applications as well
• Useful during top-end rebuild work when the cylinder is machined for 0.25 oversize rings

Confirmed Compatibility

Officially listed for:

• Hero Glamour
• Hero Super Splendor

Strong seller-supported dated references include:

• Glamour (Nov 2014 / Nov 2013 / May 2012 / Apr 2011 / Mar 2010 / Nov 2008 / Jan 2007 / Jun 2005)
• Glamour FI / Glamour Fuel Injection (Nov 2014 / Nov 2013 / Jul 2012 / Apr 2011 / May 2010 / Nov 2008 / Jan 2007 / Jun 2006)
• Super Splendor (Jan 2014 / May 2012 / Jul 2010 / Jun 2007 / Jan 2006 / Feb 2005)

Fitment Note / Return Prevention Note

The safest confirmed fitment is Hero Glamour and Hero Super Splendor because that is the direct official Hero mapping for this exact SKU. This is a 0.25 oversize piston ring kit, so it should only be ordered when the cylinder and piston setup require O/S 0.25 rings. Do not order it for standard-bore engines unless your machinist or mechanic has confirmed a 0.25 rebore.

Before ordering, compare:

• exact part number 13021KTC305S
• bike model confirmation
• 0.25 oversize ring requirement
• old piston / ring application or machinist-mechanic confirmation

What You Will Receive

• 1 x Hero Genuine Kit, Ring Piston (O/S 0.25)
• Part number: 13021KTC305S
• Quantity: 1 unit

Technical Details

• Brand: Hero MotoCorp
• Part Number: 13021KTC305S
• Description: KIT, RING PISTON (O/S 0.25)
• Primary Fitment: Glamour, Super Splendor
• Common Name: Oversize 0.25 Piston Ring Set
• Net Quantity: 1 unit
• MRP: around ₹248
• Observed seller prices: around ₹248 to ₹255 depending on seller

Installation Note

This part should be installed only after checking piston groove condition, ring end gap, cylinder wear, and actual bore size after machining. Professional top-end service is recommended. If the engine has been rebored, always confirm that the piston and ring size match the final bore correctly before installation.

Buyer-Focused FAQs

Q1. What is 13021KTC305S?
It is the genuine Hero KIT, RING PISTON (O/S 0.25), commonly searched as the 0.25 oversize piston ring set.

Q2. Which bikes does it fit?
The strongest official fitment is Hero Glamour and Hero Super Splendor. Seller references also support older Glamour FI applications.

Q3. Is this genuine Hero?
Yes. This exact SKU appears on Hero’s official store.

Q4. What does O/S 0.25 mean?
It means oversize 0.25, used for engines that have been rebored and need matching 0.25 oversize piston rings instead of STD rings.

Q5. Can I use this in a standard-bore engine?
No. This listing is for the 0.25 oversize ring kit. Standard-bore engines need the STD ring set, not this oversize version.

Q6. What is the current price?
The official Hero listing shows around ₹248. Seller references I found are also in the same approximate range.

Q7. Is it sold as one kit?
Yes. The official Hero listing shows 1 unit.

Q8. How do I confirm before ordering?
Match the exact part number 13021KTC305S and confirm your bike application plus 0.25 oversize requirement before purchase.