{"product_id":"cylinder-base-nut-wrench-3-4-lycoming-wide-deck-engine-tool","title":"Cylinder Base Nut Wrench – 3\/4\" | Lycoming Wide Deck Engine Tool","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eDesigned for cylinder removal, installation, and engine overhaul work, this professional-grade \u003cstrong\u003e3\/4\" Cylinder Base Nut Wrench\u003c\/strong\u003e provides the reach and clearance needed to access difficult cylinder base nuts on \u003cstrong\u003eLycoming Wide Deck engines\u003c\/strong\u003eand other compatible engine applications.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e15-inch span\u003c\/strong\u003e reaches around the cylinder barrel, while the extra-thin \u003cstrong\u003e0.14\" wall\u003c\/strong\u003e provides access in tight areas where conventional sockets and wrenches may not fit. The \u003cstrong\u003e12-point end\u003c\/strong\u003e works with both hex and 12-point nuts, and the \u003cstrong\u003e1\/2\" square drive\u003c\/strong\u003e allows use with a compatible torque wrench or breaker bar.\u003c\/p\u003e\n\u003cp\u003eForged from \u003cstrong\u003e4130 steel\u003c\/strong\u003e, tempered for maximum strength, and finished with industrial chrome plating, this specialty wrench is built for repeated engine maintenance, cylinder changes, and overhaul work.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Size:\u003c\/strong\u003e 1\/2\" square drive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpan:\u003c\/strong\u003e 15\" (381 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Thickness:\u003c\/strong\u003e 0.14\" (3.5 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-point end\u003c\/strong\u003e fits both hex and 12-point nuts\u003c\/li\u003e\n\u003cli\u003eLong-reach design fits around most engine cylinders\u003c\/li\u003e\n\u003cli\u003eThin-wall construction provides access to tight cylinder base nut locations\u003c\/li\u003e\n\u003cli\u003eForged from high-strength \u003cstrong\u003e4130 steel\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTempered for maximum strength and durability\u003c\/li\u003e\n\u003cli\u003eIndustrial chrome plating improves surface hardness and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eQuality tested to meet or exceed engine manufacturer torque specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis \u003cstrong\u003e3\/4\" Cylinder Base Nut Wrench\u003c\/strong\u003e is most commonly used with:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLycoming\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWide Deck engine applications\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIO-390-D Series\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eIO-390-D2 Series\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eOther Lycoming engines utilizing compatible \u003cstrong\u003e3\/4\" cylinder base nuts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContinental\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSelect older \u003cstrong\u003eContinental A-Series\u003c\/strong\u003e engine applications\u003c\/li\u003e\n\u003cli\u003eOther Continental engines utilizing compatible \u003cstrong\u003e3\/4\" cylinder base nuts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Verify the cylinder base nut size on your specific engine before ordering, as hardware can vary by engine model and configuration.\u003c\/p\u003e\n\u003ch3\u003eIdeal for Engine Maintenance\u003c\/h3\u003e\n\u003cp\u003ePerfect for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCylinder removal and installation\u003c\/li\u003e\n\u003cli\u003eCylinder replacement\u003c\/li\u003e\n\u003cli\u003eTop overhauls\u003c\/li\u003e\n\u003cli\u003eComplete engine overhauls\u003c\/li\u003e\n\u003cli\u003eCylinder base nut removal\u003c\/li\u003e\n\u003cli\u003eCylinder base nut torquing\u003c\/li\u003e\n\u003cli\u003eEngine teardown and assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Torque Note\u003c\/h3\u003e\n\u003cp\u003eWhen this wrench is used as an extension with a torque wrench, the effective lever length can affect the actual torque applied to the fastener. Follow the applicable engine manufacturer's torque procedure and use the appropriate torque correction when required.\u003c\/p\u003e\n\u003ch3\u003eAirboat Solutions\u003c\/h3\u003e\n\u003cp\u003eA professional specialty tool for maintaining and rebuilding \u003cstrong\u003eLycoming and Continental-powered airboat engines\u003c\/strong\u003e, particularly \u003cstrong\u003eLycoming Wide Deck applications\u003c\/strong\u003e where access to cylinder base hardware requires a purpose-built wrench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003cbr\u003e\u003cstrong\u003eDrive:\u003c\/strong\u003e 1\/2\" Square\u003cbr\u003e\u003cstrong\u003eSpan:\u003c\/strong\u003e 15\" (381 mm)\u003cbr\u003e\u003cstrong\u003eWall:\u003c\/strong\u003e 0.14\" (3.5 mm)\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 4130 Steel\u003cbr\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Industrial Chrome Plated\u003c\/p\u003e","brand":"Airboat Solutions","offers":[{"title":"Default Title","offer_id":49389565444251,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/0075\/0235\/files\/ec978ef8-79c5-46f1-852c-ff5800a38d8d_cb140b37-2a19-4dd1-8fa8-10de0afcbe0c.png?v=1787848912","url":"https:\/\/airboatsolutions.com\/products\/cylinder-base-nut-wrench-3-4-lycoming-wide-deck-engine-tool","provider":"Airboat Solutions","version":"1.0","type":"link"}