4.3L VR38 Stage 6 Long Block

The AMS Performance 4.3L VR38 Stage 6 Long Block is the cornerstone of the highest horsepower VR38 engines available, engineered for ultimate reliability in high-horsepower builds for the Nissan GTR. This long block engine assembly comes complete from valve covers to oil pan and timing chain components, ready for direct installation. This engine incorporates the AMS OMEGA Spec Billet Block, an AMS Extreme Duty Head Gasket Sealing Solution, AMS 98mm Big Bore Ductile Iron Dry Sleeves, a Bryant Racing Billet “Stroker” Crankshaft, Manley 300M Connecting Rods to AMS Spec, and Manley Pistons to AMS Spec (Gas Ported). It also features a BBC Rod Bearings Conversion, Bryant Crankshaft Full Balance Job, King Main Bearings, BBC Modified Rod Bearings, new OEM seals and gaskets, new OEM timing chains, an AMS Proprietary Timing System Upgrade, an AMS OEM Oil Pump Rebuild and Pressure Modification, a Sterling Charcoal Powder Coated Timing Covers, and ARP CA 625+ Head Studs for enhanced clamping force and head gasket sealing. The Stage 5 Head Package includes T1 Race Development Stage 2 CNC Head Porting, custom copper valve seats, cylinder head reconditioning, a Ferrea High Performance Valve Job, deck/resurface, and Ferrea +1 Valves with dual valve springs, titanium retainers, lock, seals, and bronze valve guides. Tomei 282 Camshafts are also included, along with proprietary cylinder head and cam shaft modifications. Specifications include a 4.3-liter displacement, 98.0 mm bore, 94.4 mm stroke, and an approximate 10:1 compression ratio. It has a recommended rev limit of 9000 RPM and is recommended for a maximum of 2200 WHP / 1350 lb-ft. This product is best suited for turbo kits up to 68mm inducers. It utilizes your existing engine as a core for building.