{"product_id":"suzuki-gt380-54-0-mm-std-port-with-bridge-port-icbm-aluminum-sleeve-finish-cylinder-processing","title":"SUZUKI GT380 φ 54.0 mm STD ICBM Aluminum Sleeve Finish Cylinder Processing","description":"\u003ch2\u003eAbout This Service\u003c\/h2\u003e\n\u003cp\u003eThis is a \u003cstrong\u003ecylinder rebuild service for SUZUKI GT380 (Φ 54 mm)\u003c\/strong\u003e.\u003cbr\u003eUpon receipt of your cylinder, we will rebuild it and return it to you.\u003cbr\u003ePlease send us only the cylinder and the corresponding piston, with payment in advance.\u003c\/p\u003e\n\u003cp\u003eWe will install an \u003cstrong\u003ealuminum sleeve plated with nickel-silicon-carbide\u003c\/strong\u003e (hardness second only to diamond) and ensure proper piston clearance before returning it to you.\u003c\/p\u003e\n\u003cp\u003eThis rebuild also features \u003cstrong\u003eInoue Boring’s original “Bridge-Port” specification\u003c\/strong\u003e, a unique \u003cstrong\u003epillar-type port structure\u003c\/strong\u003e designed to enhance durability and gas flow stability — ideal for high-performance and long-lasting results.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003ch2\u003eNever Wears Out. Seizure-Proof. Lightweight.\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRide right away—no break-in required\u003c\/li\u003e\n  \u003cli\u003eExceptionally long-lasting\u003c\/li\u003e\n  \u003cli\u003eOne-third the weight of cast iron\u003c\/li\u003e\n  \u003cli\u003e5 x the heat transfer of cast iron\u003c\/li\u003e\n  \u003cli\u003eRust-free\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003ch2\u003eWhat is ICBM™ Processing?\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eRemove the original cast-iron sleeve.\u003c\/li\u003e\n  \u003cli\u003eInstall a precision nickel-silicon-carbide-plated aluminum sleeve.\u003c\/li\u003e\n  \u003cli\u003eRide with a lightweight, ultra-durable cylinder that preserves itself as you go.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cbr\u003e\n\n\u003ch2\u003eWe Buy Your Spare Cylinders\u003c\/h2\u003e\n\u003cp\u003eUpgraded to ICBM cylinders? Sell your leftover originals to us—just submit a buy-back request through our \u003ca href=\"https:\/\/inoueboring.com\/pages\/contact\"\u003einquiry form\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNeed pistons supplied? Request a quote on our \u003ca href=\"https:\/\/inoueboring.com\/products\/icbm-cylinder-processing-nickel-silicon-carbide-plating-request-a-quote-before-ordering\"\u003eEstimate Request page\u003c\/a\u003e. Processing takes about 20 business days.\u003c\/p\u003e\n\u003cp\u003eAll work is completed in our insured, domestic facility, and every component is quality-guaranteed. Ride with confidence—preserve your engine for the next generation.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-section\"\u003e\n  \u003cdetails open\u003e\n    \u003csummary\u003e\u003cstrong\u003e▶ What is ICBM™ cylinder processing?\u003c\/strong\u003e\u003c\/summary\u003e\n    \u003cp\u003eICBM™ processing replaces the original cast-iron sleeve with a precision nickel-silicon-carbide-plated aluminum sleeve. The result is a cylinder that is lightweight, seizure-proof, rust-free, and exceptionally long-lasting — with no break-in period required.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails open\u003e\n    \u003csummary\u003e\u003cstrong\u003e▶ What is the Bridge-Port specification?\u003c\/strong\u003e\u003c\/summary\u003e\n    \u003cp\u003eInoue Boring’s original Bridge-Port specification uses a pillar-type port structure designed to enhance durability and gas flow stability, ideal for high-performance and long-lasting results.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails open\u003e\n    \u003csummary\u003e\u003cstrong\u003e▶ What do I need to send for the rebuild service?\u003c\/strong\u003e\u003c\/summary\u003e\n    \u003cp\u003ePlease send us only the cylinder and the corresponding piston, with payment in advance. Upon receipt, we will rebuild it and return it to you.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails open\u003e\n    \u003csummary\u003e\u003cstrong\u003e▶ How long does processing take?\u003c\/strong\u003e\u003c\/summary\u003e\n    \u003cp\u003eProcessing takes approximately 20 business days.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails open\u003e\n    \u003csummary\u003e\u003cstrong\u003e▶ Can you supply pistons?\u003c\/strong\u003e\u003c\/summary\u003e\n    \u003cp\u003eYes. If you need pistons supplied, please request a quote on our \u003ca href=\"https:\/\/inoueboring.com\/products\/icbm-cylinder-processing-nickel-silicon-carbide-plating-request-a-quote-before-ordering\"\u003eEstimate Request page\u003c\/a\u003e.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails open\u003e\n    \u003csummary\u003e\u003cstrong\u003e▶ Do you buy back original cylinders?\u003c\/strong\u003e\u003c\/summary\u003e\n    \u003cp\u003eYes. If you have upgraded to ICBM cylinders and have leftover originals, you can sell them back to us via our \u003ca href=\"https:\/\/inoueboring.com\/pages\/contact\"\u003einquiry form\u003c\/a\u003e.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cbr\u003e\n  \n\u003ch2\u003eLearn More About ICBM™ Technology\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/icbm%E2%84%A2-blog\/what-is-icbm%E2%84%A2-technology-a-new-future-for-vintage-engines\"\u003eWhat Is ICBM™ Technology? A New Future for Vintage Engines\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/news\/h2-cylinders-icbm%C2%AE\"\u003eH2 Cylinders ICBM® — Detailed Specifications\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/news\/why-we-built-a-billet-h2-cylinder-and-what-it-means-for-icbm\"\u003eWhy We Built a Billet H2 Cylinder\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is ICBM aluminized cylinder processing?\",\n      \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"ICBM processing replaces the original cast-iron sleeve with a precision nickel-silicon-carbide-plated aluminum sleeve. The result is a cylinder that is lightweight, seizure-proof, rust-free, and exceptionally long-lasting with no break-in period required.\" }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the Bridge-Port specification?\",\n      \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Inoue Boring's original Bridge-Port specification uses a pillar-type port structure designed to enhance durability and gas flow stability, ideal for high-performance and long-lasting results.\" }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What do I need to send for the rebuild service?\",\n      \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Please send us only the cylinder and the corresponding piston, with payment in advance. Upon receipt, we will rebuild it and return it to you.\" }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How long does processing take?\",\n      \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Processing takes approximately 20 business days.\" }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can you supply pistons?\",\n      \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Yes. If you need pistons supplied, please request a quote on our Estimate Request page at https:\/\/inoueboring.com\/products\/icbm-cylinder-processing-nickel-silicon-carbide-plating-request-a-quote-before-ordering\" }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do you buy back original cylinders?\",\n      \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Yes. If you have upgraded to ICBM cylinders and have leftover originals, you can sell them back to us via our inquiry form at https:\/\/inoueboring.com\/pages\/contact\" }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"INOUE BORING","offers":[{"title":"Default Title","offer_id":52323019981013,"sku":null,"price":2380.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/2502\/7541\/files\/GT380.jpg?v=1762922021","url":"https:\/\/inoueboring.com\/products\/suzuki-gt380-54-0-mm-std-port-with-bridge-port-icbm-aluminum-sleeve-finish-cylinder-processing","provider":"iNOUE BORING","version":"1.0","type":"link"}