{"product_id":"ams-performance-41l-vr38-stage-4-long-block-alp070405041","title":"AMS Performance 4.1L VR38 Stage 4 Long Block (ALP.07.04.0504-1)","description":"\u003cp\u003e\u003cstrong\u003eThe AMS Performance 4.1L VR38 Stage 4 Long Block is the ultimate solution for high horsepower builds in your Nissan GTR. This fully assembled long block is ready for effortless installation and is crafted with precision machining using our advanced in-house equipment. Each AMS built engine has been strategically strengthened in multiple ways to support the monstrous power and torque produced by our OMEGA and ALPHA performance packages. Assembled in a state-of-the-art temperature and humidity controlled clean room, it ensures every detail is meticulously crafted to perfection. By applying our decades of race-winning experience to the Nissan VR38 we have engineered the strongest, most advanced engine program available for your GTR.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch6\u003eThe Perfect Solution for High Horsepower Builds\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eBest Suited for the ALPHA 18x Turbo Kit (up to 68mm inducers)\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eFully Assembled Long Block Ready for Manifolds and Accessories\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003ePrecision Machining With Advanced Industry Leading Equipment\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eAssembled in State-of-the-Art Temperature and Humidity Controlled Clean Room\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eUtilizes Your Existing Engine as a Core to Build From\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eNew OEM Gaskets, Seals, and Hardware Throughout\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch6\u003eARP CA625+ Head Studs For Additional Clamping Force and Head Gasket Sealing\u003c\/h6\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eThe Pinnacle of VR38 Engines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe have successfully applied our race-winning experience to the VR38DETT V6 to bring you the pinnacle in engine programs. By developing AMS proprietary engine components we have engineered the strongest, most advanced motor program available for your GTR, along with the track times to back it up. The AMS Performance 4.1L VR38 Stage 4 Long Block is the ultimate solution for high horse power reliability. Our long block engine assemblies come complete from valve covers to oil pan to timing chain and components to make installation as painless as possible, ready to drop right in to your GTR! This proven power plant uses only the best off the shelf and custom designed AMS spec components made to our exacting standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDisplacement: 4.1 liters\u003c\/li\u003e\n\u003cli\u003eBore: 95.5 mm (Grade 1, 2, or 3 varies)\u003c\/li\u003e\n\u003cli\u003eStroke: 94.4 mm\u003c\/li\u003e\n\u003cli\u003eAppx. Compression Ratio: 9.75:1\u003c\/li\u003e\n\u003cli\u003eRecommended Rev Limit: 8600 RPM*\u003c\/li\u003e\n\u003cli\u003eRecommended Max Power \u0026amp; Torque: 1700 WHP \/ 1200 lb-ft*\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuild Sheet\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAMS Stage 3 Short Block\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInspect and Blueprint Engine Block\u003c\/li\u003e\n\u003cli\u003eHone \/ Recondition Cylinder to Size\u003c\/li\u003e\n\u003cli\u003eMain Girdle Reinforcement and 12mm ARP Studs\u003c\/li\u003e\n\u003cli\u003eHone Main Journals to AMS Spec\u003c\/li\u003e\n\u003cli\u003eBryant Racing Billet “Stroker” Crankshaft\u003c\/li\u003e\n\u003cli\u003eManley 300M Connecting Rods to AMS Spec\u003c\/li\u003e\n\u003cli\u003eManley Pistons to AMS Spec\u003c\/li\u003e\n\u003cli\u003eBBC Rod Bearings Conversion\u003c\/li\u003e\n\u003cli\u003eBryant Crankshaft Full Balance Job\u003c\/li\u003e\n\u003cli\u003eKing Main Bearings\u003c\/li\u003e\n\u003cli\u003eBBC Modified Rod Bearings\u003c\/li\u003e\n\u003cli\u003eNew OEM Seals and Gaskets\u003c\/li\u003e\n\u003cli\u003eNew OEM Timing Chains\u003c\/li\u003e\n\u003cli\u003eAMS Proprietary Timing System Upgrade\u003c\/li\u003e\n\u003cli\u003eAMS OEM Oil Pump Rebuild and Pressure Modification\u003c\/li\u003e\n\u003cli\u003eMultiple Stage Cleaning and Prep Process\u003c\/li\u003e\n\u003cli\u003eARP CA 625+ Head Studs\u003c\/li\u003e\n\u003cli\u003eCometic Head Gaskets\u003c\/li\u003e\n\u003cli\u003eAMS Billet Deep Oil Pan\u003c\/li\u003e\n\u003cli\u003eATI Crank Balancer\u003c\/li\u003e\n\u003cli\u003eSterling Charcoal Powder Coated Timing Covers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAMS Stage 4 Head Package\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eT1 Race Development Stage 1 CNC Head Porting Package\u003c\/li\u003e\n\u003cli\u003eCylinder Head Recondition, Clean, Reassemble\u003c\/li\u003e\n\u003cli\u003eFerrea High Performance Valve Job\u003c\/li\u003e\n\u003cli\u003eDeck \/ Resurface\u003c\/li\u003e\n\u003cli\u003eShim and Set Valve Lash\u003c\/li\u003e\n\u003cli\u003eFerrea +1 Valves, Dual Valve Springs, Titanium Retainers, Lock, Seals, Seats, Bronze Valve Guides\u003c\/li\u003e\n\u003cli\u003eTomei 282 Camshafts\u003c\/li\u003e\n\u003cli\u003eCombustion Chamber \/ Head Gasket Reinforcement Modifications w\/included Hardware\u003c\/li\u003e\n\u003cli\u003eProprietary Cylinder Head and Cam Shaft Modifications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AMS Performance","offers":[{"title":"Default Title","offer_id":41748580008023,"sku":"HXXP_ALP.07.04.0504-1","price":46299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/8642\/1591\/files\/AMS-VR38-Long-Block-1_2eba78fc-8bda-417a-b988-f4802ced1e84.jpg?v=1748876435","url":"https:\/\/jmautosports.com\/products\/ams-performance-41l-vr38-stage-4-long-block-alp070405041","provider":"JM Auto Racing","version":"1.0","type":"link"}