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Click HereShowing 57–84 of 1273 results
BY BRAND
- AMS Performance (18)
- ATK High Performance (106)
- ATK Marine Engine (24)
- BluePrint Engines (142)
- Chevrolet Performance (84)
- Edelbrock (18)
- Ford Performance Parts (22)
- Roush Industries Inc (91)
- VEGE Remanufactured (755)
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ATK Ford 408 Stroker 480 HP HP81M Stage 2 Mid-Dress Engine
Wire up the ATK Ford 408 480HP and melt some rear tires. This complete 6.7L package features strict internal balancing. High flow aluminum heads feed heavy fuel. Hit the ignition.
- Fully dressed with carburetor and ignition
- Internal engine balance protects main bearings
- Aluminum heads shed excess block temperatures
ATK Ford 408 Stroker 480HP HP81C Stage 3 Complete Long Block
Ditch vacuum leaks with the ATK Ford 460 525HP big block. This massive 8.2L iron block utilizes aggressive hydraulic flat tappets. Throw on a large intake manifold. Go ridiculously fast.
- Massive 502 cubic inches crush dynos
- Flat tappet cam builds vintage torque
- Two piece seal fits classic pans
- Aluminum heads drastically cut nose weight
ATK Ford 502 Big Block 515 HP HP102 Stage 1 Long Block
Cast from rigid iron the ATK Ford 502 515HP handles serious track abuse. It features 9.5:1 compression and hydraulic flat tappets. Add an intake. Roast the heavy duty clutch.
- Nine point five compression loves street fuel
- Internal balancing allows higher safe rpm
- Hydraulic flat tappets deliver classic idle
- Aluminum heads flow massive exhaust volume
- Bare top end welcomes custom intakes
ATK Ford 502 Big Block 515 HP HP102M Stage 2 Mid-Dress LB
Muscle car fanatics need the ATK Ford 502 515HP to command true respect. You get heavy cast iron construction and 9.5:1 compression. An intake comes pre-installed. Just add race fuel.
- Preinstalled intake manifold speeds up assembly
- Included distributor sets accurate timing curves
- Internal balance smooths big block vibrations
ATK Ford 502 Big Block 525 HP HP19C Stage 3 Complete Engine
Classic trucks demand massive torque, making this ATK Ford 502 525HP the absolute choice. We assemble the cast iron block with premium aluminum cylinder heads. Drop it in. Turn the key.
- Carburetor and ignition included for plug-and-play setup
- Flat tappet camshaft delivers hard-hitting vintage engine notes
- Heavy duty water pump keeps engine temperatures stable
- Internal engine balancing cuts structural crankshaft harmonics
ATK Ford 502 Big Block 525 HP HP19C Stage 3 Complete LB
Stop chasing vacuum leaks and buy this ATK Ford 502 525HP complete crate setup. Cast iron big block architecture meets lightweight aluminum flow. Bolt down your transmission torque converter. Go fast.
- One year parts warranty guarantees peace of mind
- Hydraulic flat tappet cam keeps maintenance very low
- Included intake manifold handles serious carbureted fuel CFM
ATK Ford 502 Big Block 545 HP HP19M Stage 2 Engine
Restomod projects run cooler when you slide the ATK Ford 502 545HP under the hood. A cast iron bottom end combines with 9.5:1 compression aluminum heads. Grab your own high-cfm carburetor. Fire it up.
- Tight 9.5:1 compression runs perfectly on pump gas
- Two piece rear main seal accommodates classic pans
- Pre-installed distributor ensures clean timing advance curves
- Cast iron big block provides unmatched structural cylinder strength
- Mid-dress kit includes oil pan and valve covers
ATK GM 350 330 HP HP291P Stage 1 Performance Long Block
Forget junkyard rebuilds since this budget-friendly ATK GM 350 330HP provides ready-to-run reliability. Built on iron heads and a sturdy iron block. Bolt on your intake setup. Hit the road.
- Hydraulic flat tappets keep valvetrain maintenance very simple
- Clean one piece rear main seal stops garage drips
- Moderate 9.1:1 compression ratio thrives on cheap fuel
ATK GM 350 330 HP HP291PC Stage 3 Performance Engine
Muscle car builders trust the legendary ATK GM 350 330HP for painless weekend cruise-ins. It arrives fully dressed with a carbureted intake and water pump. Connect the starter wires. Hear it rumble.
- Carburetor and distributor pre-set from the shop floor
- Long style water pump aligns pulleys with ease
- Iron block layout ensures bulletproof long term durability
- Includes spark plugs and wires for fast ignition
ATK GM 350 345 HP HP98 Stage 1 Cast Iron Long Block
At the autocross track you need the ATK GM 350 345HP to plant power out of corners. Iron cylinder heads complement a modern hydraulic roller valvetrain. Drop it onto the engine mounts. Launch hard.
- Hydraulic roller lifters support aggressive ramp rates
- Iron construction handles extreme hot lap thermal heat
- Fits standard small block Chevy headers with ease
- Included oil pan protects critical rod bearings
ATK GM 350 345 HP HP98C Stage 3 Complete Carbureted
Down the drag strip this complete ATK GM 350 345HP provides consistent dial-in times. Features high-quality iron heads and a 9.1:1 compression squeeze. Tune the pre-installed carburetor. Drop the clutch.
- Ready to run carbureted intake saves wrenching hours
- Roller cam technology eliminates flat tappet wear issues
- One piece rear seal prevents clutch slippage from leaks
- Assembled with starter-friendly 9.1:1 compression ratio
ATK GM 350 345 HP HP98M Stage 2 Mid-Dress Engine
Classic Chevy cruisers love the mid-dress ATK GM 350 345HP small block under the bonnet. Features a hydraulic roller valvetrain and high-nickel iron block. Drop on your carburetor. Get back to driving.
- Long-style water pump clears factory alternator brackets
- Fully assembled bottom end reduces engine build time
- Cast iron heads match vintage small block styling
ATK GM 350 365 HP HP91M Stage 2 Aluminum Head LB
Plumb your cooling lines directly to this ATK GM 350 365HP stage two crate engine. Aluminum cylinder heads drop front-end chassis weight. Distributor is fully installed. Start cruising local car shows.
- Lightweight aluminum heads increase combustion chamber cooling
- Pre-installed intake manifold accepts carbureted performance setups
- Included flexplate simplifies automatic transmission hookups
- Hydraulic valvetrain runs quiet on long interstate hauls
ATK GM 350 390 HP HP89 Stage 1 Aluminum Head Engine
Bolt this aluminum-headed ATK GM 350 390HP engine in and wake up your street machine. Features a strong cast iron block and 10.0:1 compression. Add your custom carbureted intake. Melt the street tires.
- Squeeze ratio of 10.0:1 yields maximum thermal efficiency
- Hydraulic roller valvetrain keeps valve adjustment duties zero
- One piece main seal maintains clean oil pan mating
ATK GM 350 390 HP HP89C Stage 3 Aluminum Head Complete
Classic trucks run harder when the ATK GM 350 390HP provides the muscle. This lightweight aluminum-head package uses a robust 10.0:1 compression ratio. Twist the key. Melt tires.
- Carburetor comes tuned from the shop
- Long style water pump aligns pulleys
- Ten to one squeeze demands premium
ATK GM 350 390 HP HP89C-EFI Stage 3 Multi-Port EFI Engine
Down the drag strip this fuel-injected ATK GM 350 390HP punches way above its class. Multi-port fuel injection eliminates cold start bog. Drop the throttle. Watch the tree green.
- Complete ECU harness simplifies custom wiring
- Modern throttle body delivers instant throttle response
- Aluminum heads dissipate combustion heat fast
- Long water pump fits classic accessory brackets
ATK GM 350 390 HP HP89M Stage 2 Mid-Dress Performance
Restomod projects get a massive upgrade with this ATK GM 350 390HP mid-dress small block. It arrives balanced with a carbureted intake manifold and distributor. Install your transmission. Go cruising.
- Ten to one compression runs on pump gas
- Included harmonic balancer prevents crankshaft harmonics
- Pre-installed distributor ensures accurate ignition timing
ATK GM 350 408 HP HP34 Stage 1 Aluminum Head Long Block
Forget junkyard rebuilds and bolt this fresh ATK GM 350 408HP crate engine in instead. Cast iron engine block rigidity meets free-flowing aluminum heads. Choose your intake manifold. Go racing.
- One piece rear main seal prevents driveway puddles
- Hydraulic roller camshaft keeps valvetrain quiet
- Assembled bottom end saves garage build time
- Aluminum head castings shed massive front weight
ATK GM 350 408 HP HP34C Stage 3 Aluminum Head Complete
Muscle car builders need this fully dressed ATK GM 350 408HP small block for serious stoplight authority. It features hydraulic roller lifters and a heavy duty water pump. Turn the key. Hear it roar.
- Pre-installed carburetor eliminates fueling guesswork
- Flexplate included for painless automatic transmission link
- Cylinder heads utilize weight-saving performance aluminum
- Fully assembled with distributor and spark plugs
ATK GM 350 408 HP HP34M Stage 2 Aluminum Head Mid-Dress
Plumb your custom fuel lines to this ATK GM 350 408HP mid-dress performance engine. Lightweight aluminum cylinder heads complement an aggressive hydraulic roller valvetrain. Bolt down your headers. Drive it hard.
- Assembled long block saves precious engine swap hours
- Hydraulic roller lifters maximize valve lift velocity
- Included water pump handles tough summer cruising
- Internal external balance options suit standard flywheels
ATK GM 350 TBI 290 HP HP31 Stage 1 Long Block Engine
Classic Chevy cruisers love the budget-friendly ATK GM 350 290HP small block for smooth cruising. Built with a tough cast iron block and modern OE roller camshaft. Drop it in. Enjoy the ride.
- TBI-ready design replaces tired factory iron
- One piece rear seal prevents annoying blowby
- OE roller cam design ensures modern efficiency
- Cast iron heads match stock exhaust ports
ATK GM 350 Vortec 290HP HP99C Stage 3 Long Block Engine
At the autocross track you need the ATK GM 350 290HP Vortec engine to pull hard. Features high-velocity iron heads and a street-friendly 9.4:1 compression ratio. Nail the throttle. Power out of corners.
- 9.4:1 compression ratio runs on standard pump fuel
- Vortec cylinder heads improve low end intake swirl
- Complete stage three carb setup ensures quick starting
- Long water pump aligns factory belt setups
ATK GM 350 Vortec 350 HP HP32C Stage 3 Complete LB
Drop this heavy duty Vortec-headed ATK GM 350 350HP crate engine straight into your custom engine bay. Tough cast iron construction combines with a 9.5:1 compression squeeze. Plug in the distributor. Burn rubber.
- Complete carburetor package speeds up installation
- 9.5:1 compression delivers reliable torque
- Vortec cylinder heads provide unmatched street throttle response
- One piece rear seal keeps garage floors clean
ATK GM 350 Vortec 350 HP HP32C-EFI Stage 3 EFI Engine
Wire up this vintage-style ATK Chrysler 360 320HP Magnum block for ultimate Mopar muscle. Tough 5.9L cast iron architecture meets an OE hydraulic roller valvetrain. Bolt on your intake manifold. Launch hard.
- Magnum cylinder heads flow massive street torque
- Strict external engine balance protects rotating assemblies
- Gentle 9.0:1 compression ratio loves regular pump gas
- One piece main seal prevents clutch oil contamination
ATK GM 350 Vortec 350 HP HP32M Stage 2 Long Block
Classic pickup restorations need this ATK GM 350 350HP mid-dress small block. It combines a cast iron bottom end with 9.5:1 compression. Add your custom carburetor. Hit the highway.
- Included carbureted intake speeds up wrenching
- Nine point five compression burns cheap gas
- Hydraulic roller lifters improve valvetrain stability
- Long water pump clears vintage accessory brackets
ATK GM 365 LQ4 550 HP LQ4-LB-1 Stage 1 Long Block
Swap this raw ATK GM LQ4 550HP into your track chassis for serious modern power. The 6.0L iron block runs tight 10.3:1 compression and premium aluminum cylinder heads. Bolt it down.
- Ten point three compression maximizes chamber squeeze
- Aluminum head castings flow massive air volume
- Hydraulic roller camshaft handles aggressive rpm shifts
ATK GM 365 LQ9 550HP LQ9-LB-1 Stage 1 Long Block Engine
Ditch tired factory hardware for the ATK GM LQ9 550HP bare long block. This 6.0L iron foundation utilizes lightweight aluminum heads and a 10.3:1 compression ratio. Supply your custom intake.
- Six liter displacement builds heavy bottom torque
- Aluminum cylinder heads drop heavy front weight
- Internally balanced crank survives high track revs
- Hydraulic roller lifters keep clearance maintenance zero
- Ten point three compression loves premium fuel
ATK GM 383 Stroker 375 HP HP33 Stage 1 Long Block
Heavy street machines rely on the ATK GM 383 375HP for massive low end grunt. Built on a cast iron block with 9.5:1 compression. Source your own induction setup. Drive hard.
- Stroked 6.3L rotating assembly generates raw torque
- Nine point five compression burns pump gas
- One piece seal prevents annoying garage drips
BY BRAND
- AMS Performance (18)
- ATK High Performance (106)
- ATK Marine Engine (24)
- BluePrint Engines (142)
- Chevrolet Performance (84)
- Edelbrock (18)
- Ford Performance Parts (22)
- Roush Industries Inc (91)
- VEGE Remanufactured (755)





























