<?xml version="1.0" encoding="UTF-8" standalone="no"?><xbrli:xbrl xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:in-capmkt="https://www.sebi.gov.in/xbrl/2024-04-30/in-capmkt" xmlns:in-capmkt-ent="https://www.sebi.gov.in/xbrl/Announcement_For_Agreements/2024-04-30/in-capmkt/in-capmkt-ent" xmlns:in-capmkt-roles="https://www.sebi.gov.in/xbrl/Announcement_For_Agreements/2024-04-30/in-capmkt-roles" xmlns:in-capmkt-type="https://www.sebi.gov.in/xbrl/2024-04-30/in-capmkt-types" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:net="http://www.xbrl.org/2009/role/net" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xlink="http://www.w3.org/1999/xlink"><link:schemaRef xlink:href="in-capmkt-ent-2024-04-30.xsd" xlink:type="simple"/><xbrli:context id="MainD"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">SHRIPISTON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2026-04-03</xbrli:startDate><xbrli:endDate>2026-04-03</xbrli:endDate></xbrli:period></xbrli:context><xbrli:context id="MainI"><xbrli:entity><xbrli:identifier scheme="https://www.sebi.gov.in/in-capmkt/NSESymbol">SHRIPISTON</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:instant>2026-04-03</xbrli:instant></xbrli:period></xbrli:context><xbrli:unit id="pure"><xbrli:measure>xbrli:pure</xbrli:measure></xbrli:unit><in-capmkt:NSESymbol contextRef="MainI">SHRIPISTON</in-capmkt:NSESymbol><in-capmkt:NameOfTheCompany contextRef="MainI">Shriram Pistons &amp; Rings Limited</in-capmkt:NameOfTheCompany><in-capmkt:TypeOfAnnouncement contextRef="MainI">New</in-capmkt:TypeOfAnnouncement><in-capmkt:TypeOfAgreement contextRef="MainI">Others</in-capmkt:TypeOfAgreement><in-capmkt:DetailsOfOtherTypeOfAnnouncement contextRef="MainI">Technical Collaboration Agreement</in-capmkt:DetailsOfOtherTypeOfAnnouncement><in-capmkt:StageOfAgreement contextRef="MainI">Revision, Rescission, Amendment or Alteration of agreement</in-capmkt:StageOfAgreement><in-capmkt:AgreementsEnteredIntoBy contextRef="MainD">Listed Entity</in-capmkt:AgreementsEnteredIntoBy><in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting contextRef="MainD">false</in-capmkt:WhetherEventOrInformationDisclosedIsAnOutcomeOfBoardMeeting><in-capmkt:DateOfOccurrenceOfEvent contextRef="MainI">2026-04-03</in-capmkt:DateOfOccurrenceOfEvent><in-capmkt:TimeOfOccurrenceOfEvent contextRef="MainD">20:00:00</in-capmkt:TimeOfOccurrenceOfEvent><in-capmkt:WhetherTheListedEntityIsPartyToTheAgreement contextRef="MainD">true</in-capmkt:WhetherTheListedEntityIsPartyToTheAgreement><in-capmkt:DateOfReport contextRef="MainI">2026-04-03</in-capmkt:DateOfReport><in-capmkt:DateOfInitialDisclosureOfTheExecutionOfTheAgreementToTheStockExchangeForRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">2024-12-05</in-capmkt:DateOfInitialDisclosureOfTheExecutionOfTheAgreementToTheStockExchangeForRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:BriefDetailsOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainD">Pursuant to Regulation 30 of SEBI Listing Regulations, 2015, we wish to inform you that the Company has executed a revised Technical Collaboration Agreement with Fuji OOZX INC. (Japan) on April 3, 2026.
 
Under the amended agreement, the scope of supply of technical know-how and assistance for manufacturing engine valves in India has been extended for a further period of five years to meet evolving customer requirements. Royalty shall be payable to Fuji in accordance with the provisions of the amended agreement.
 
We confirm that all other terms and conditions of the Technical Collaboration Agreement remain unchanged.
</in-capmkt:BriefDetailsOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:NumberOfPartiesRelatingToAgreementAfterRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI" decimals="0" unitRef="pure">1</in-capmkt:NumberOfPartiesRelatingToAgreementAfterRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:NamesOfPartiesWithWhomTheAgreementIsEnteredAfterRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainD">FUJI OOZX INC., JAPAN (FUJI)</in-capmkt:NamesOfPartiesWithWhomTheAgreementIsEnteredAfterRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:NatureOfTheAgreementForRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainD">Technical Collaboration Agreement</in-capmkt:NatureOfTheAgreementForRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:DateOfExecutionOfTheRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainI">2026-04-03</in-capmkt:DateOfExecutionOfTheRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:ReasonOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainD">Under the agreement, the scope of supply of technical know how and assistance for manufacturing engine valves in India has been extended to address evolving customer requirements.</in-capmkt:ReasonOfRevisionOrRescissionOrAmendmentOrAlterationOfAgreement><in-capmkt:DetailsOfImpactOfTheRevisionOrRescissionOrAmendmentOrAlterationOfAgreement contextRef="MainD">The Technical Collaboration Agreement with Fuji OOZX INC. (Japan) has been in place for over three decades and represents an ongoing collaboration for the manufacture of engine valves to serve the automotive industry with advanced technology products. Through this partnership, the Company continues to provide cutting-edge technology in India that is at par with the latest global standards. The present agreement has now been extended and will remain valid for the next five years.
Royalty will be payable to Fuji in accordance with the provisions of the amended agreement</in-capmkt:DetailsOfImpactOfTheRevisionOrRescissionOrAmendmentOrAlterationOfAgreement></xbrli:xbrl>