{"product_id":"harrop-btr-trinity-intake-manifold-ls-cathedral","title":"BTR Trinity Intake Manifold | LS Cathedral Port","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eBTR Trinity Intake Manifold — LS Cathedral Port\u003c\/strong\u003e is the cathedral-port version of Brian Tooley Racing's modular Trinity intake system, supplied through Harrop.\u003c\/p\u003e\n\u003cp\u003eThe BTR Trinity uses a short-runner, three-piece cast-aluminium architecture designed to bridge naturally aspirated and boosted LS applications. BTR specifies the manifold for an operating range of approximately \u003cstrong\u003e6,000–8,500 rpm\u003c\/strong\u003e and supports both drive-by-wire and cable throttle-body arrangements where the correct hardware is used.\u003c\/p\u003e\n\u003ch2\u003eConstruction \u0026amp; Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThree-piece cast-aluminium design with interchangeable plenum architecture\u003c\/li\u003e\n\u003cli\u003eEight O-rings sealing the runner-to-plenum interface\u003c\/li\u003e\n\u003cli\u003eTwenty M6 stainless-steel socket-head fasteners clamping the runner \/ plenum assembly\u003c\/li\u003e\n\u003cli\u003eSAE O-ring port sealing in machined dovetail grooves\u003c\/li\u003e\n\u003cli\u003eCNC-machined port mouth radius and port match\u003c\/li\u003e\n\u003cli\u003eTwo 1\/4-27 NPT ports beside the throttle-body boss\u003c\/li\u003e\n\u003cli\u003eOne 3\/8-18 NPT rear port\u003c\/li\u003e\n\u003cli\u003eBlack Satin Texture powder-coat finish\u003c\/li\u003e\n\u003cli\u003eSemi-assembled supply with required manifold hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFuel-System Integration\u003c\/h2\u003e\n\u003cp\u003eAn optional BTR fuel-rail kit is available separately. Injector, rail, throttle-body and vacuum \/ sensor configuration must be planned as part of the complete induction and fuel-system package.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eConfirm bonnet clearance, throttle-body diameter and actuation, injector height, fuel-rail configuration and engine-management requirements before ordering. Professional installation and calibration are recommended for performance applications.\u003c\/p\u003e\n\u003ch2\u003eBBT Support\u003c\/h2\u003e\u003cp\u003eBuilt by Boost \u0026amp; Tune can assist with manifold selection, fuel-system configuration, installation, fabrication and dyno calibration.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\u003cp\u003eFor compatible LS engines using \u003cstrong\u003ecathedral-port cylinder heads\u003c\/strong\u003e. Confirm the exact cylinder-head port architecture before ordering.\u003c\/p\u003e\u003ch2\u003eSupplier Part Number\u003c\/h2\u003e\u003cp\u003eBTR-TRA-1-BLK-P105\u003c\/p\u003e\u003ch2\u003eSupplier\u003c\/h2\u003e\u003cp\u003eBrian Tooley Racing \/ Harrop\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":43686867009603,"sku":"BTR-TRA-1-BLK-P105","price":1795.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/tra-1-blk-p105_1_of_4_-1024x1024.jpg?v=1787089565","url":"https:\/\/builtbyboostandtune.com.au\/products\/harrop-btr-trinity-intake-manifold-ls-cathedral","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}