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ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines with EFI
ATK High Performance GM 350 390 hp Stage 3 long block crate engines with EFI are designed for better drivability and trouble-free cold starts with no tuning required, regardless of elevation, driving habits, or part swap! Based around FiTech Self-Learning EFI systems, these engines come complete from throttle body down to the oil pan. The only thing you will need is to supply is the fuel system--in line, in tank, or the FiTech Fuel Command Center. They are dyno-tested with your EFI system and ready to go! Typically ATK GM 350 390 hp complete long block engines consist of: * Seasoned OE block with 4-bolt mains * OE cast crankshaft * OE powder metal connecting rods * Hypereutectic pistons * Chromoly piston rings * Hydraulic roller camshaft * ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves * Billet roller rocker arms * Timing set * Oil pan, oil pump and pick-up tube * Valve covers * Flexplate * Performance intake manifold * Distributor HEI * Long water pump * Front damper * FiTech Go Street Electronic fuel injection 400hp * Spark plugs and wires * Dyno test/tune
Not Yet Reviewed
$5,398.99
ATK High Performance Ford 347 Stroker 450 HP Stage 3 Long Block Crate Engines
If you don't have the time or means for a build, ATK High Performance Ford 347 Stroker Stage 3 long block crate engines are the answer. They'll help anyone looking for a complete motor with reliable, on-street high performance. These fully-dressed (Stage 3) engines work with power accessories, produce a noticeable idle, and include all the Stage 2 components. They may also add in the following parts (among others): carburetion, filters, and spark system. ATK Ford 347 Stroker 450 hp Stage 3 long block crate engines specs: * 440 lbs.-ft. torque * Seasoned OE roller block * 4.040 x 3.400 bore/stroke * 347 c.i.d. displacement * Nodular iron crankshaft (3.400 in. stroke; one-piece externally balanced; 28 oz.) * 4340 forged I-beam connecting rods (5.400) with ARP bolts * Forged flat-top pistons with four valve reliefs * Moly piston rings with 10.1:1 compression ratio * Hydraulic roller camshaft with 231/235 duration at 0.050, 0.544 in./0.565 ex. Lift, 112LSA * Installed camshaft bearings clocked to OEM position * Dart Pro 1 aluminum cylinder heads with 58cc/195cc port volume and 2.02/1.60 in. valves * Installed and sealed brass freeze plugs (oil galley plugs also installed and sealed) * Billet aluminum 1.6 ratio full roller rocker arms * 5 qt. front sump OE oil pan * 430 lbs.
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$8,099.99
ATK High Performance Chrysler 360 Magnum 320 HP Stage 3 Long Block Crate Engines with EFI
ATK High Performance Chrysler 360 Magnum 320 hp Stage 3 long block crate engines with EFI are perfect for a street cruiser, and offer great street ability, stock idle, and good power. Based around FiTech Self-Learning EFI systems, these engines come complete from throttle body down to the oil pan. The only thing you will need is to supply is the fuel system--in line, in tank, or the FiTech Fuel Command Center. Plus they are dyno-tested with your EFI system and ready to go! These Stage 3 engines with EFI set your vehicle up for better drivability and trouble-free cold starts with no tuning required, regardless of elevation, driving habits, or part swap! Typically ATK Chrysler 360 Magnum 320 hp complete EFI engines consist of: * Seasoned OE Magnum block * OE cast crankshaft * OE steel connecting rods * Hypereutectic pistons * Chromoly piston rings * Hydraulic roller camshaft * Magnum cylinder heads * Steel rocker arms * Timing set * Oil pan, oil pump and pick-up tube * Valve covers * Flexplate * Performance intake manifold * Distributor * Stock water pump * Front damper * FiTech Go Street EFI 400 hp * Spark plugs and wires * Dyno test/tune
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$5,898.99
ATK High Performance Ford 302 375 HP Stage 3 Long Block Crate Engines with EFIes with EFI
ATK High Performance Ford 302 375 hp Stage 3 long block crate engines with EFI are designed to have great street manners and will work with most stock components. Teamed up with FiTech Self-Learning EFI systems, these ATK engines come complete from throttle body down to the oil pan. The only thing you will need is to supply is the fuel system--in line, in tank, or the FiTech Fuel Command Center. Plus, they are dyno-tested with your EFI system and ready to go! Details and specs: * 375 hp/380 lbs.-ft. * Compression Ratio: 9.5:1 * FiTech Go Street EFI (wire harness and handheld unit included) * ATK Aluminum heads * Hydraulic roller cam * Cast steel crankshaft 50oz external balance * Hypereutectic pistons * Seasoned OE roller block 1987-1995 * 4.040 in. bore x 3.000 in. stroke * One-piece rear main seal * Front sump oil pan * Melling high volume oil pump * Double roller timing set * Right Hand inlet standard rotation water pump * 50oz external balancer * TCI 529610 157 tooth flexplate with 50oz balance * Edelbrock Performer RPM dual plane intake 7121 * Pro Billet distributor with melonite gear (MSD ignition box required for tach signal) * Autolite 3923 spark plugs 0.035 gap * 8mm Spark plug wires Cylinder Heads: * ATK aluminum cylinder heads * 58cc chamber * 2.02 in. intake/1.60 in. exhaust valves * 185cc intake runners * 1.6 aluminum roller rockers Roller Cam specs: * .512 intake/.512 exhaust * 220 intake/224 exhaust duration @ .050 - 112-degree lobe separation Recommended: * 2,400-2,800 Stall converter * 34-36 degrees total timing * 13726548 firing order * 91 plus octane fuel
Not Yet Reviewed
$7,284.99
ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI
ATK specializes in muscle. With the highest quality internal parts and dyno-proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty. This ATK High Performance GM LM7 5.3L 500 hp long block crate engine is fitted with AFR heads and FiTech EFI. Engine specifications: * Horsepower: 500 * Torque: 440 * Block: OE LM7/5.3L iron * Bore/stroke: up to 3.903 in. x 3.622 in. * Displacement (cu.in): up to 347c.i.d. * Crankshaft: OE GM 24 tooth reluctor wheel * Rods: OE powder metal * Pistons: Hypereutectic 10.1 compression * Rings: Moly * Camshaft: Hydraulic roller * Cam specs: Custom performance grind * Timing chain: OE single roller * Cylinder heads: -- AFR CNC ported aluminum -- 59cc/200cc -- 2.000 in. intake/1.570 in. exhaust * Rocker arms: OE 1.7 ratio * Oil pump: Melling M295 * EFI System: -- FiTech Ultra port injection LS1 750 hp with transmission control -- Wiring harness and ECM/TCM included * Fuel injectors: FiTech 55 lb. * Spark plugs: Autolite #104 * Spark plug wires: 8mm * Balancer: Stock internally balanced
Not Yet Reviewed
$8,899.99
ATK High Performance Ford 427 Stroker 545 HP Complete Long Block Crate Engines
ATK specializes in muscle. With the highest quality internal parts and dyno-proven combinations, ATK is able to add the most bang for your buck and back it up with an industry leading warranty. Part of their Signature Series, ATK High Performance Ford 427 Stroker 545 hp complete long block crate engines offer these engine specifications: * Torque: 580 lb.-ft. * Block: 351W SBF 4-bolt, one-piece seal, 9.500 in. deck * Bore/Stroke: 4.125 x 4.000 * Displacement: 427 * Crankshaft: 4340 forged internal balance * Rods: 4340 forged H-beam with ARP 8740 bolts * Pistons: Forged 10.4:1 compression * Rings: Moly * Camshaft: Hydraulic roller * Camshaft specs: 235/238 at 50 .573 intake/.582 exhaust, 112LSA * Timing chain: Double roller * Cylinder heads: ATK HP aluminum 58cc/205cc, 2.02/1.60 * Rocker arms: Aluminum 1.6 roller rockers * Oil pan: Front sump 7qt. street/strip pan * Oil pump: High volume * Valve covers: Finned black powdercoat, matching PCV valve, and push-in breather * Air cleaner: 15 in. oval x 3 in. Super Flow air cleaner system, washable filter * Balancer: Internal balance * Flexplate/flywheel: Internal balance, 164-tooth * Intake manifold: Performer RPM air gap dual plane * Distributor: Pro billet (upgraded melonite gear) * Water pump: Early RH inlet standard rotation * Carburetor: 750 cfm mechanical secondary * Fuel pump: Mechanical 110 gph * Fuel line: Dual inlet AN stainless hose from pump to carb * Spark plugs and 8mm wires
Not Yet Reviewed
$15,174.99
ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines
ATK High Performance Chevy LQ4 6.0L 460 hp long block crate engines lay down impressive power that can be run with factory fuel injection or retrofitted with a carburetor. They're hand-built, balanced, and blueprinted using top-quality parts. Don't waste time trying to salvage a high-mileage short block when you can get a fresh mill that's ready for your choice of components to make it your own. ATK Chevy LQ4 6.0L 460 hp long block crate engines include: * Handpicked and seasoned 6-bolt main block * Aligned and honed main bores * OE steel crankshaft * 3.622 in. stroke * OE connecting rods * Hypereutectic dish top pistons * Aluminum cylinder heads * Hydraulic roller camshaft * Timing chain and gear set * 1.7:1 ratio rocker arms * 24-tooth reluctor
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$7,898.99
