ACL Nissan RB25/RB30 0.25mm Undersize-Journal High Performance Main Bearing Set

Shop ACL engine bearings, Race Series rod and main bearings, thrust components, bushings and selected oil pumps at Black Ops Auto Works. Build your parts list around the engine you are rebuilding, then compare Race Series H, extra-clearance HX and the available repair-size configurations with your engine builder’s requirements.ACL Race Series Engine BearingsACL Race Series bearings give engine builders application-specific choices for performance engine assembly. H and HX configurations let you select the specified bearing family and oil-clearance option, with additional designs available for selected engines. The right choice starts with the planned engine build and the measured components rather than a universal bearing upgrade.Shop ACL Engine Parts Connecting-rod bearings: service the crankshaft’s rod journals with the set or individual pair specified for your engine. Main bearings: support the crankshaft in the block; compare complete sets and selective-grade listings where of...

Engine and drivetrain bearings for domestic, import, and diesel platforms are stocked at Black Ops Auto Works. Shop main bearings, rod bearings, cam bearings, thrust bearings, wheel bearings, pilot bearings, transmission bearing kits, and differential bearing sets for HEMI 5.7, 6.1, 6.4, and 6.2 supercharged engines, LS and LT platforms, Coyote V8s, Duramax, Cummins, and Power Stroke diesels, and popular import engines like the VQ35, VQ37, VR38DETT, K20, K24, and 2JZ. Every bearing is filterable by year, make, model, engine code, and bearing clearance so the correct part ships the first time. Black Ops Auto Works carries 1250 bearing SKUs across engine internals, transmission and transfer case hardware, differential components, and wheel end assemblies. What This Category Covers Bearings are the precision-fit wear surfaces that keep an engine, transmission, and axle assembly spinning true under load. A correctly sized bearing set with the right clearance is one of the most impor...

Shop automotive engine parts, cooling-system components, oil-system upgrades, ignition parts, pulleys, sensors, gaskets, fuel components, and engine-bay accessories at Black Ops Auto Works. This collection covers vehicle-specific replacement parts, performance upgrades, supporting hardware, and universal components for street cars, trucks, SUVs, Jeeps, diesel vehicles, off-road builds, and motorsport applications. Engine Parts and Performance Components The Engine collection brings together components used throughout the engine, lubrication system, cooling system, ignition system, fuel system, crankcase ventilation, accessory drive, and engine compartment. Available products range from replacement sensors and gaskets to rotating-assembly parts, performance cooling systems, supercharger pulleys, catch cans, cylinder heads, camshafts, intake manifolds, and engine-bay dress-up components. Engine compatibility cannot be determined from vehicle model alone. Confirm the exact year, make, ...

Engine block parts and internals for HEMI, Hellcat, Trackhawk, TRX, LS, LT, Coyote, EcoBoost, K-Series, VR38DETT, and Cummins diesel builds are stocked at Black Ops Auto Works. Shop main and rod bearings, engine gaskets and gasket kits, engine mounts, block off plates, block heaters, PCV valves, sleeves, engine covers, and complete engines. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 2,187 engine block SKUs across rotating assembly, sealing, mounting, and engine bay dress-up categories. What This Category Covers The Engine Block collection groups the internal and structural components that make up the bottom end and block assembly of a performance or OEM-replacement engine. Coverage spans bearings for rotating assembly refreshes, gaskets and gasket kits for sealing rebuilds, engine mounts for swap and performance builds, and engine bay dress-up pieces for HEMI, Hellcat, and ...

Shop Nissan GT-R parts for brake service, chassis development and engine or transmission-cooling projects at Black Ops Auto Works. Compare Alcon rotor-ring references, Brembo service parts, SPL chassis components and HKS DCT cooler applications. Build the order around the GT-R generation, brake package and powertrain you own.Alcon and Brembo Brake ChoicesExplore Alcon R35 rotor-ring references with separately named diameters, sides and axle positions. Choose a replacement ring for the matching existing assembly and confirm the hat and hardware requirements. Brembo rotor and pad references and DFC hardware provide other service options; review the exact installed brake package before selecting components.SPL Chassis Parts and Suspension DetailsSPL rear-knuckle and rear-upper-arm monoball references and the front camber/caster eccentric-lockout kit offer separate choices for a chassis project. Whiteline bushings and SuperPro end links cover additional service positions. Review the cha...

Explore Nissan GTR parts for a coordinated drivetrain, brake or chassis project at Black Ops Auto Works. Review R35 DCT flywheel and HKS transmission-cooling references, compare GSC engine-build components, and browse lighting or carbon-fiber details. Select each item for the actual generation and assembly being serviced.R35 Drivetrain and Cooling ComponentsThe Clutch Masters steel-flywheel title names 2009–2021 R35 DCT applications. Compare the complete clutch and flywheel arrangement and installation requirements before choosing it. HKS DCT cooler references distinguish production ranges, and a separately listed transmission-oil-pan upgrade serves its stated application. Choose individual components as part of the complete transmission-service or cooling plan.Engine-Build and Fuel-System ChoicesGSC VR38DETT references distinguish standard and oversized valve dimensions, valve guides and camshafts. Carrillo rod and King bearing listings provide further build components with separat...