{"product_id":"7075-billet-aluminum-engine-piston-ring-squaring-tool-compatible-for-2-to-5-bore-and-gap-universal","title":"Universal 7075 Billet Aluminium Engine Piston Ring Squaring Tool – 2\" to 5\" Bore Range","description":"\u003cp\u003e\nAchieve perfectly square piston ring end gaps with this premium 7075 billet aluminium piston ring squaring tool, precision machined for accurate ring gap measurement during engine builds and rebuilds. Properly squaring piston rings in the cylinder bore is one of the most critical steps in measuring ring end gap correctly — incorrect ring squaring leads to inaccurate gap measurements, which directly translates to incorrect ring sizing, premature ring failure, blow-by issues, and compromised engine performance. This adjustable squaring tool fits cylinder bores from 2\" to 5\" diameter, making it a universal solution for virtually any engine build from small displacement four-cylinders through big-block V8 applications. 7075 aircraft-grade aluminium construction delivers exceptional strength and dimensional stability, ensuring the tool maintains true ring squaring accuracy across countless engine builds without warping or wear.\n\u003c\/p\u003e\n\n\u003ch6\u003eFeatures:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003ePremium 7075 aircraft-grade billet aluminium construction – delivers exceptional strength, dimensional stability, and resistance to warping or wear from sustained use\u003c\/li\u003e\n\u003cli\u003eAdjustable bore range – fits cylinder bores from 2\" to 5\" diameter for universal compatibility across virtually all engine displacements\u003c\/li\u003e\n\u003cli\u003ePrecision machined construction – maintains true ring squaring accuracy across countless engine builds\u003c\/li\u003e\n\u003cli\u003eUniversal application – compatible with virtually any engine build requiring piston ring gap measurement\u003c\/li\u003e\n\u003cli\u003eLightweight design – easy to handle during engine assembly without fatigue\u003c\/li\u003e\n\u003cli\u003eProfessional engine builder tool – essential for accurate ring gap measurement and proper engine assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eSpecifications:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eCondition: 100% Brand New\u003c\/li\u003e\n\u003cli\u003eType: Engine Piston Ring Squaring Tool\u003c\/li\u003e\n\u003cli\u003eMaterial: 7075 Billet Aluminium (Aircraft-Grade)\u003c\/li\u003e\n\u003cli\u003eConstruction: Precision Machined\u003c\/li\u003e\n\u003cli\u003eBore Range: 2\" to 5\" (50.8mm to 127mm)\u003c\/li\u003e\n\u003cli\u003eQuantity: 1 tool per pack\u003c\/li\u003e\n\u003cli\u003eApplication: Engine Build \/ Piston Ring Gap Measurement\u003c\/li\u003e\n\u003cli\u003ePurpose: Professional Engine Building Tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eCompatibility:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal application – fits cylinder bores from 2\" to 5\" diameter\u003c\/li\u003e\n\u003cli\u003eCompatible with virtually all engine builds within the 2\" to 5\" bore range, including:\u003c\/li\u003e\n\u003cli\u003eSmall displacement four-cylinder engines (Honda K-series, Mitsubishi 4G63, Subaru EJ, etc.)\u003c\/li\u003e\n\u003cli\u003eV6 engines (LS V6, JZ inline-6, RB inline-6, etc.)\u003c\/li\u003e\n\u003cli\u003eSmall block V8 engines (LS, LT, SBC, SBF, Mopar small block, etc.)\u003c\/li\u003e\n\u003cli\u003eBig block V8 engines (BBC, BBF, big block Mopar, etc.)\u003c\/li\u003e\n\u003cli\u003eVerify your cylinder bore diameter falls within the 2\" to 5\" range before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eContents:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e1x 7075 Billet Aluminium Piston Ring Squaring Tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eBenefits:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eEnsures accurate piston ring gap measurement – proper ring squaring is critical for correct gap measurement, which directly affects engine performance and longevity\u003c\/li\u003e\n\u003cli\u003ePrevents premature ring failure – incorrect ring gaps from inaccurate measurement can lead to ring breakage, scoring of cylinder walls, and catastrophic engine damage\u003c\/li\u003e\n\u003cli\u003eReduces blow-by and oil consumption – properly gapped rings seal the combustion chamber correctly, maintaining cylinder pressure and reducing oil consumption\u003c\/li\u003e\n\u003cli\u003eUniversal compatibility eliminates the need for multiple bore-specific tools – this single tool covers virtually all common engine bore sizes\u003c\/li\u003e\n\u003cli\u003e7075 aircraft-grade aluminium construction delivers significantly higher strength and dimensional stability compared to lower-grade aluminium or plastic alternatives\u003c\/li\u003e\n\u003cli\u003ePrecision machined construction maintains accuracy across thousands of measurements – critical for professional engine builders or serious DIY rebuilders\u003c\/li\u003e\n\u003cli\u003eSignificant cost savings compared to specialized bore-specific tools or expensive professional ring squaring equipment\u003c\/li\u003e\n\u003cli\u003eEssential addition to any serious engine builder's tool collection – proper ring gap measurement is fundamental to engine assembly quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eUsage Notes:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore range verification:\u003c\/strong\u003e Confirm your cylinder bore diameter falls within the 2\" to 5\" range before ordering – tools sized outside this range require different equipment\u003c\/li\u003e\n\u003cli\u003eEnsure the cylinder bore is clean and free of debris before inserting the squaring tool – any contamination affects measurement accuracy\u003c\/li\u003e\n\u003cli\u003ePosition the piston ring fully inside the cylinder bore before using the squaring tool\u003c\/li\u003e\n\u003cli\u003eUse the tool to push the ring to a consistent depth in the bore – typically about 1\" below the deck surface (or as specified by your engine builder or piston ring manufacturer)\u003c\/li\u003e\n\u003cli\u003eOnce the ring is square in the bore, measure the ring end gap with a feeler gauge to verify proper specification\u003c\/li\u003e\n\u003cli\u003eCompare measured gap to manufacturer specifications for your specific piston ring set – different ring types (top compression, second compression, oil control) may have different gap specifications\u003c\/li\u003e\n\u003cli\u003eIf gap is too tight, file the ring ends carefully with a ring file to achieve proper specification – never gap rings without proper measurement\u003c\/li\u003e\n\u003cli\u003eClean the tool after each use to maintain accuracy and prevent residue buildup that affects future measurements\u003c\/li\u003e\n\u003cli\u003eStore the tool in a clean, dry location to prevent oxidation or damage from environmental exposure\u003c\/li\u003e\n\u003cli\u003eRefer to your specific engine builder, ring manufacturer, or service manual for exact ring gap specifications for your build\u003c\/li\u003e\n\u003cli\u003eProfessional consultation recommended for high-performance, boosted, or race engine builds where ring gap specifications are critical to longevity and performance\u003c\/li\u003e\n\u003cli\u003eIf unsure about proper ring gap specifications for your specific engine build, contact our team or your engine builder for guidance before performing ring gap modifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch6\u003eWarranty:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e12-month standard warranty from date of purchase\u003c\/li\u003e\n\u003cli\u003eContact our support team for assistance with any issues\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":46021252940010,"sku":"1005009517752860","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/S2f526d3221144bfab54089ea7e42703an.webp?v=1777829247","url":"https:\/\/www.k2-industries.com\/en-jp\/products\/7075-billet-aluminum-engine-piston-ring-squaring-tool-compatible-for-2-to-5-bore-and-gap-universal","provider":"K2 Industries","version":"1.0","type":"link"}