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ATK GM 383 Stroker 415 HP HP94 Stage 1 Aluminum Head
Bolt this aggressive ATK GM 383 415HP stroker between your frame rails. It features high flow aluminum heads and a precise 9.7:1 compression squeeze. Top it with your intake. Go racing.
- Aluminum heads drastically cool engine combustion temperatures
- Nine point seven compression provides crisp throttle
- Hydraulic roller camshaft limits valvetrain wear issues
- Included oil pan protects internal rod bearings
ATK GM 383 Stroker 415 HP HP94C Stage 3 Carbureted
Weekend bracket racers trust this complete ATK GM 383 415HP carbureted package. The 6.3L stroker utilizes aluminum heads and a 9.7:1 compression ratio. Drop the assembled unit in. Turn the key.
- Pre-installed carburetor eliminates frustrating tuning bench time
- Aluminum cylinder heads flow dense intake charges
- Nine point seven compression hits incredibly hard
ATK GM 383 Stroker 415 HP HP94C-EFI Stage 3 EFI Engine
Modernize your vintage chassis using this ATK GM 383 415HP fuel injected stroker. Features a modern throttle body setup and 9.7:1 compression. Wire up the included harness. Enjoy instant starts.
- Complete EFI throttle body cures cold starts
- Included computer harness simplifies custom engine wiring
- Lightweight aluminum heads increase cooling system efficiency
- Nine point seven compression produces massive power
- Long style water pump fits classic belts
ATK GM 383 Stroker 415 HP HP94M Stage 2 Aluminum Head
Drop the mid-dress ATK GM 383 415HP engine onto your mounts. It combines a 6.3L stroked foundation with free flowing aluminum heads. Mount your custom carburetor. Burn up the asphalt.
- Pre-installed intake manifold speeds up weekend swaps
- Nine point seven compression loves street driving
- Aluminum heads shed massive cast iron weight
ATK GM 383 Stroker 435 HP HP36 Stage 1 Aluminum Head
Torque junkies demand this raw ATK GM 383 435HP bare long block. It pairs a tough cast iron block with premium aluminum cylinder heads. Supply your own high flow intake. Launch.
- Stroked 6.3L internals handle brutal track abuse
- Aluminum heads flow extreme air fuel volumes
- Hydraulic roller valvetrain runs incredibly tight tolerances
- One piece seal keeps oil completely contained
ATK GM 383 Stroker 435 HP HP36C Stage 3 Complete Engine
Plumb your fuel lines to this ATK GM 383 435HP fully dressed monster. The 6.3L iron block runs aluminum cylinder heads and comes with the carburetor installed. Hit the starter.
- Included carburetor package saves painful dyno tuning
- Pre-installed distributor locks in accurate ignition curves
- Aluminum heads dissipate heavy combustion thermal loads
- Hydraulic roller lifters maximize precise valve lift
- Internal external balancing smooths out harmonic vibration
ATK GM 383 Stroker 435 HP HP36CEFI Stage 3 EFI Engine
Down the drag strip this fuel injected ATK GM 383 435HP absolute screamer hooks and flies. Multi-port injection eliminates cold start bog. Drop the hammer on the street. Hear the tires bark.
- Complete throttle body injection layout optimizes fuel maps
- Lightweight aluminum heads drop critical front suspension weight
- Modern hydraulic roller lifters eliminate regular lash maintenance
- Assembled bottom end reduces garage installation hours
ATK GM 383 Stroker 435 HP HP36M Stage 2 Mid-Dress Engine
Classic trucks get a serious tire-melting upgrade with this ATK GM 383 435HP mid-dress engine. High velocity aluminum heads complement a stout 6.3L stroker assembly. Drop it in your chassis. Burn rubber.
- Preinstalled intake manifold accepts standard carbureted configurations
- Long style water pump aligns clean belt pulleys
- One piece rear main seal prevents driveway drops
ATK GM 383 Stroker 435HP HP36 Stage 1 Aluminum Head Long Block
Forget junkyard rebuilds and slide this aluminum headed ATK GM 383 435HP bare long block in instead. Features cast iron block strength paired with free flowing aluminum chambers. Install your custom accessories. Go racing.
- Stroked rotating assembly delivers instant throttle response
- OE hydraulic roller camshaft minimizes valvetrain friction
- Fits standard small block Chevy accessory mounts
- Included oil pan protects internal crankshaft bearings
- One year factory warranty secures your investment
ATK GM 383 Stroker 500 HP HP55C Stage 3 Carbureted LB
Muscle car builders need this high horsepower ATK GM 383 500HP fully dressed crate engine. Packaged with a carbureted intake and a clean performance distributor. Connect the starter wires. Listen to it cackle.
- Pre-installed carburetor eliminates fueling setup guesswork
- High flowing aluminum cylinder heads feed big ports
- Fully assembled long block saves weekend swap time
ATK GM 383 Stroker 500 HP HP55M Stage 2 Mid-Dress LB
Plumb your custom lines to this mid-dress ATK GM 383 500HP small block. A cast iron bottom end combines with an OE style hydraulic roller valvetrain. Bolt down your performance headers. Hit the highway.
- Carbureted intake manifold comes bolted in place
- Roller camshaft technology eliminates flat tappet wear
- Aluminum cylinder head castings cool chambers fast
- Pre-installed flexplate matches common torque converters
ATK GM 383 Stroker 500HP HP55 Stage 1 Aluminum Head Engine
At the autocross track you need the ATK GM 383 500HP bare engine to pull out of corners. Features cast iron block rigidity and premium lightweight aluminum cylinder heads. Bolt on your induction. Drop the clutch.
- Bare intake deck allows custom carburetor choices
- Stroked engine displacement builds incredible bottom torque
- One piece main seal prevents oil pan weepage
ATK GM 383 Stroker 500HP HP55C Stage 3 Complete Engine
Restomod builders demand this ready to run ATK GM 383 500HP package for serious street authority. Complete with ignition wires and carburetor from the shop floor. Turn the ignition key. Ignite the tires.
- Complete carburetor assembly speeds up engine installations
- Preinstalled distributor provides clean timing advance curves
- Lightweight aluminum heads increase cooling system efficiency
- Hydraulic roller lifters keep valvetrain maintenance zero
ATK GM 383 Stroker 525 HP HP107 Stage 1 Aluminum Head
Stop chasing vacuum leaks with this aluminum headed ATK GM 383 525HP bare engine. This high squeeze 10.2:1 compression stroker requires premium pump gas. Bolt on your favorite manifold. Launch hard.
- Crisp ten point two compression maximizes burn
- Hydraulic roller camshaft keeps idle properties stable
- Assembled bottom end reduces build bench time
ATK GM 383 Stroker 525 HP HP107C Stage 3 Aluminum Head
Ditch flat tappet worries and buy this complete ATK GM 383 525HP carbureted crate engine. We combine high-performance aluminum heads with a crisp 10.2:1 squeeze ratio. Tune the carburetor throttle. Drag race.
- Pre-installed carburetor handles high performance fueling demands
- Long water pump clears standard engine bay accessories
- Stroked iron block builds massive tire spinning torque
- Includes spark plugs and heavy performance wires
ATK GM 383 Stroker 525 HP HP107M Stage 2 Mid-Dress LB
Cast from high-nickel iron this mid-dress ATK GM 383 525HP handles serious street abuse. Features a 10.2:1 compression ratio and weight-reducing aluminum cylinder heads. Bolt down your clutch. Cruise the boulevard.
- Mid dress kit includes water pump and flexplate
- Aluminum heads optimize structural cooling flow rates
- Ten point two compression thrives on premium pump
ATK GM 383 Stroker HP90 Marine Grade Stage 1 Engine
Classic offshore hulls demand the rugged ATK GM 383 HP90 small block for open water runs. Cast iron cylinder heads provide extreme durability under constant load. Drop it in. Throttle up.
- Marine grade components resist salt corrosion
- Included oil pan seals the bottom end
- One year warranty guarantees on-water protection
ATK GM 383 Stroker HP96 Marine Base Aluminum Head Engine
Bolt this aluminum-headed ATK GM 383 HP96 stroker straight into your boat engine bay. It pairs weight-saving aluminum chambers with an OE hydraulic roller valvetrain. Connect your outdrive. Cruise local channels.
- Aluminum cylinder heads drop heavy front weight
- Gentle 9.1:1 compression burns pump fuel
- Roller cam design maintains stable cruise RPM
- Preinstalled flexplate matches common marine couplers
ATK GM 383 TBI Stroker 320 HP HP05 Stage 1 Long Block
Stop chasing vacuum leaks and drop this ATK GM 383 HP05 throttle body setup in instead. Features reliable cast iron head construction paired with modern hydraulic roller lifters. Connect the fuel lines. Start up instantly.
- Stroked displacement delivers instant low end punch
- One piece rear main seal prevents bilge leaks
- Hydraulic roller valvetrain runs quiet and smooth
ATK GM 383 Vortec 390 HP HP33C Stage 3 Long Block
Down the drag strip this Vortec-headed ATK GM 383 HP33C small block commands total respect. Features high velocity iron heads and a stage three carburetor package. Drop the clutch. Melt the slicks.
- Complete carburetor package speeds up bench installation
- Pre-installed distributor sets clean ignition timing curves
- Vortec ports optimize air fuel intake velocity
- Long style water pump aligns factory belts
ATK GM 408 LQ4 Stroker 600 HP LS01 Stage 1 Engine
Swap this brutal ATK GM 408 LQ4-LS01 iron-block stroker in to secure drag strip victory. Features lightweight aluminum heads and a high squeeze 10.3:1 compression ratio. Mount your custom intake. Watch the tree green.
- Iron block construction handles heavy power loads
- Aluminum cylinder heads flow massive CFM numbers
- Modern hydraulic roller valvetrain minimizes friction wear
- Ten point three compression yields extreme efficiency
ATK GM 415 LS3 Stroker 620 HP LS02 Stage 1 Engine
At the autocross track you need the ATK GM 415 LS02 all-aluminum stroker for balanced handling. The lightweight 6.8L design drops massive weight off your front axle. Bolt down your brackets. Carve the corners.
- Aluminum block improves front chassis weight balance
- Large 415 displacement builds massive mid-range grunt
- Premium aluminum heads flow dense intake charges
ATK GM 415 LS3 Stroker 620 HP LS02C Stage 3 Carbureted
Restomod builders demand the ATK GM 415 LS02C carbureted stroker for clean vintage installations. Built on an aluminum block and topped with an intake and a carburetor. Connect the linkage. Ignite the tires.
- Assembled carburetor eliminates complex EFI tuning steps
- Included oil pan protects internal rotating parts
- One piece main seal prevents clutch oiling
- Aluminum heads dissipate chamber heat extremely fast
- Ten point three compression requires premium gas
ATK GM 454 Big Block 525 HP HP451PC Stage 3 Engine
Forget junkyard rebuilds and buy this massive ATK GM 454 HP451PC stage three big block. Heavy cast iron architecture meets high flowing aluminum cylinder heads. Back out of the garage. Command the boulevard.
- Dressed carbureted intake cuts down assembly labor
- Included water pump handles tough summer heat
- Aluminum cylinder heads drastically reduce nose weight
ATK GM 489 Stroker 565 HP HP411PC Stage 3 Complete LB
Muscle car fanatics trust this tire-shredding ATK GM 489 HP411PC big block stroker for raw power. We pack this 8.0L powerhouse with aluminum cylinder heads and a carburetor. Set your timing curve. Burn down the track.
- Fully dressed with carburetor and performance distributor
- Internal engine balance ensures smooth RPM sweeps
- Aggressive roller camshaft boosts street throttle response
- Aluminum heads optimize structural cooling flow rates
ATK GM 489 Stroker 565 HP HP411PM Stage 2 Performance
Plumb your custom fuel lines to this ATK GM 489 HP411PM mid-dress big block engine. Features high-velocity aluminum heads, a carbureted intake, and a distributor. Bolt down your manual transmission. Drive it home.
- Eight liter displacement produces extreme torque bands
- Pre-installed intake manifold saves valuable garage hours
- Ten to one squeeze ratio runs pump gas
- Water pump aligns classic belt accessory brackets
- One piece main seal stops oil pans weeping
ATK GM 496 Stroker 600 HP HP631P Stage 1 Big Block
Drag strip racers turn to this ATK GM 496 600HP big block for sheer displacement dominance. This massive 8.1L stroker combines a cast iron block with high-flow aluminum heads. Bolt on your custom intake manifold. Go racing.
- Ten point one compression ratio squeezes pump gas hard
- Internal rotating balance handles aggressive shifts
- Aluminum cylinder head castings drop front weight
- Hydraulic roller valvetrain runs maintenance free
- One piece main seal prevents oil pan puddles
ATK GM 496 Stroker 600 HP HP631PC Stage 3 Complete LB
Stop wasting time on small blocks and buy this complete ATK GM 496 600HP crate setup. It arrives fully dressed with a carbureted manifold, heavy-duty water pump, and tuned carburetor. Lock down the distributor. Burn rubber.
- Carburetor comes jetted and pre-assembled
- High output ignition wires deliver hot spark
- Included water pump handles street cooling chores
