{"product_id":"camotokiit-piston-ring-compressor-for-3-780-bore-cnc-6061-aluminum-hard-anodized-reverse-chamfer","title":"Camotokiit Piston Ring Compressor for 3.780\" Bore — CNC 6061 Aluminum, Hard-Anodized, Reverse Chamfer","description":"\u003cp\u003e\u003cstrong\u003eCamotokiit Piston Ring Compressor for 3.780\" bores is a precision aluminum tool that compresses piston rings reliably for LS-series engine installs (4.8L, 5.3L, L83, L33, LM7, LC9).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact, hard-anodized aluminum compressor is purpose-built for 3.780\" cylinder bores, offering repeatable ring alignment and a reversed chamfer to prevent oil ring hang-ups. CNC-machined from 6061 aluminum with laser-etched markings, it replaces bulky, imprecise alternatives and speeds installation of pistons into block cylinders while protecting ring edges and skirts.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this tool ensure accurate ring placement during installation?\u003c\/h3\u003e\n\u003cp\u003eThe compressor's reverse chamfer centers over the piston ring gap to reduce the chance of catching the oil ring when entering the bore. Its consistent diameter and smooth inner face keep rings evenly compressed so they slide into the cylinder without splaying.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReverse chamfer aligns over ring gap to avoid oil ring catching\u003c\/li\u003e\n  \u003cli\u003ePrecision 3.780\" inner bore to match specified cylinders\u003c\/li\u003e\n  \u003cli\u003eUniform compression keeps rings concentric during insertion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and markings make this different from generic compressors?\u003c\/h3\u003e\n\u003cp\u003eMachined from 6061 aluminum, the tool balances light weight and strength while resisting deformation during repeated use. The black finish plus laser-etch markings deliver durable identification and measurement references that won’t rub off like painted labels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6061 aluminum construction for durability and low weight\u003c\/li\u003e\n  \u003cli\u003eHard anodized black surface for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eLaser-etched labels that remain legible with heavy shop use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and bore sizes is this compressor compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis tool is designed specifically for 3.780\" bores and matches many common GM LS-series applications, including 4.8L and 5.3L family engines. It fits engines built around the listed bore dimension and streamlines piston installs for those platforms.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOptimized for 3.780\" bore applications\u003c\/li\u003e\n  \u003cli\u003eFits LS-series engines: 4.8L, 5.3L, L83, L33, LM7, LC9\u003c\/li\u003e\n  \u003cli\u003eUseful for rebuilds, upgrades, and high-volume engine assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the tool protect piston rings and reduce installation errors?\u003c\/h3\u003e\n\u003cp\u003eThe smooth internal surface and precise outer profile let pistons pass into the cylinder without snagging or bending ring ends. By maintaining consistent compression and guiding the ring pack, the tool reduces the risk of ring damage and installation retries.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmooth inner wall prevents ring edge damage during entry\u003c\/li\u003e\n  \u003cli\u003eConsistent diameter avoids uneven compression or splayed rings\u003c\/li\u003e\n  \u003cli\u003eReverse chamfer prevents oil ring catching and misalignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Engine builders, home mechanics, and performance shops working on LS-series blocks or any project that specifies a 3.780\" bore will benefit from this Camotokiit compressor. It’s a compact, durable tool for anyone who needs reliable, repeatable piston installs—whether assembling a single engine or performing multiple builds—without risking ring damage or wasting time correcting misaligned rings.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this compressor suitable for other bore sizes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, this tool is specifically machined for a 3.780\" bore and is intended for that exact dimension.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What material is the tool made from?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s CNC machined from 6061 aluminum with a black anodized finish and laser-etched markings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Camotokiit","offers":[{"title":"Default Title","offer_id":67588866867385,"sku":"B0D48JRXYG","price":79.64,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/camotokiit-front-view-compressor-tool.jpg?v=1790526804","url":"https:\/\/redleafauto.ca\/products\/camotokiit-piston-ring-compressor-for-3-780-bore-cnc-6061-aluminum-hard-anodized-reverse-chamfer","provider":"Redleaf Auto","version":"1.0","type":"link"}