{"product_id":"mazworx-rb25det-long-block-stage-2-service-9wowv","title":"Mazworx RB25DET Long Block Stage 2 Service","description":"\u003cp\u003eThis service uses customer-provided engine components. A replacement core is not included.\u003c\/p\u003e\u003cp\u003eProvide RB25 core long block. Confirm compatibility and condition before ordering.\u003c\/p\u003e\u003cp\u003eService work and components\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete disassembly of the short block\u003c\/li\u003e\n\u003cli\u003eHot tank cleaning and sand blasting of the iron block, followed by painting\u003c\/li\u003e\n\u003cli\u003eMachining processes including threaded oil and freeze plug installations, RB26 oil groove modifications, head stud preparations, block resurfacing, resizing the cylinder with torque plate, and line boring with honing\u003c\/li\u003e\n\u003cli\u003eOil pump collar installation on the crankshaft\u003c\/li\u003e\n\u003cli\u003eCrankshaft cleaning, inspection, polishing, and balancing\u003c\/li\u003e\n\u003cli\u003eReassembly of the short block\u003c\/li\u003e\n\u003cli\u003eCP Pistons sized at 86.5mm with 9:1 compression ratio\u003c\/li\u003e\n\u003cli\u003eUpgraded 9310 wrist pins with .250″ wall thickness\u003c\/li\u003e\n\u003cli\u003eManley Turbo Tuff connecting rods\u003c\/li\u003e\n\u003cli\u003eACL RB26 race bearings\u003c\/li\u003e\n\u003cli\u003eARP main studs\u003c\/li\u003e\n\u003cli\u003eMazworx RB oil pump collar, and threaded\/O-ring sealed small and freeze plugs\u003c\/li\u003e\n\u003cli\u003eDisassembly and sand blasting of the cylinder head\u003c\/li\u003e\n\u003cli\u003eRemoval, drilling, tapping, and replacement of oil port plugs\u003c\/li\u003e\n\u003cli\u003eStage 3 CNC port and combustion chamber work\u003c\/li\u003e\n\u003cli\u003eMachining for threaded freeze plugs and RB26 head studs\u003c\/li\u003e\n\u003cli\u003eValve guide removal, reinstallation, reaming, and race-quality valve job with resurfacing\u003c\/li\u003e\n\u003cli\u003eFinal assembly of the head\u003c\/li\u003e\n\u003cli\u003eKelford Cams 246-B with cam profiles of 264\/272 degrees at 10mm lift\u003c\/li\u003e\n\u003cli\u003eSupertech intake valves (+1mm), Inconel exhaust valves (+1mm), bronze valve guides\u003c\/li\u003e\n\u003cli\u003eSupertech single valve spring kit rated at 85 lbs, titanium retainers, and valve seals\u003c\/li\u003e\n\u003cli\u003eMazworx threaded freeze plugs and miscellaneous plugs\u003c\/li\u003e\n\u003cli\u003eATI street damper for crankshaft vibration control\u003c\/li\u003e\n\u003cli\u003eTomei upgraded oil pump\u003c\/li\u003e\n\u003cli\u003eGates racing timing belt and Kelford adjustable cam gear for precise timing control\u003c\/li\u003e\n\u003cli\u003eTomei 88mm x 1.2mm head gasket\u003c\/li\u003e\n\u003cli\u003eOEM water pump and gasket kit\u003c\/li\u003e\n\u003cli\u003eARP RB26 head studs\u003c\/li\u003e\n\u003cli\u003ePowder-coated valve cover and timing cover\u003c\/li\u003e\n\u003cli\u003eMazworx bolt kit\u003c\/li\u003e\n\u003cli\u003eEngine break-in oil and filter included\u003c\/li\u003e\n\u003cli\u003eEngine supplied spun and primed\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConfirm delivery arrangements before sending parts. Work starts only after the individual intake is approved.\u003c\/p\u003e\u003cp\u003eAdditional work and replacement parts need approval. Core credit requests require individual approval. No automatic core credit is included.\u003c\/p\u003e\u003cp\u003ePhotos show manufacturer work examples. The service uses customer-provided cores. Selected options and listed components define the supplied work.\u003c\/p\u003e","brand":"Mazworx","offers":[{"title":"Customer-core service","offer_id":67979526111384,"sku":"9WOWV","price":14061.57,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0867\/0360\/files\/mazworx-inline-six-long-block-front-angled-view-service-example.webp?v=1794469553","url":"https:\/\/frsport.com\/products\/mazworx-rb25det-long-block-stage-2-service-9wowv","provider":"FR SPORT","version":"1.0","type":"link"}