ATK High Performance Chevy 383 Stroker 470 HP Mid-Dress Long Block Crate Engines HP101M

Buy ATK High Performance Chevy 383 Stroker 470 HP Online

Wake up your build with the ATK High Performance Chevy 383 Stroker 470 HP, a mid-dress crate engine engineered for serious street and strip performance. Built on a Chevy small-block 383ci foundation, this package is commonly listed at 470 horsepower and 490 lb-ft of torque, giving you the kind of hard-launching response, strong mid-range pull, and top-end excitement 343 hp enthusiasts expect from a proven stroker combination. The engine pairs a vortec 350 motor cast-iron block with aluminum 383 stroker engine cylinder heads and performance internals, including forged pistons, a hydraulic 383 stroker crate engines roller cam, a double-roller timing set, and a 4.040-inch bore with a 3.750-inch stroke.

With its aggressive cam profile, 10:1 compression, and recommended 91+ octane, the ATK High Performance Chevy 383 Stroker 470 HP is built for drivers who want bold acceleration and a serious muscle-car sound. This mid-dress setup is ideal for hot rods, classic Chevy 383 stroker crate engine projects, and performance builds that need a stronger replacement than a stock small-block. It is especially well suited for enthusiasts chasing stronger throttle response without 383 stroker engine for sale starting from scratch. If you want a crate engine that delivers big cubic-inch attitude, reliable hardware, and real-world street and strip capability, the ATK High Performance Chevy 383 Stroker 470 HP is a compelling upgrade.

Product Specifications

ATK High Performance Chevy 383 Stroker 470 HP – HP101M

• Engine type: Mid-dress long block crate engine for Chevy small-block applications.
• Displacement: 383 ci / 6.3L.
• Power output: 470 hp at 5,200 rpm and 490 lb-ft of torque at 4,800 rpm.
• Block: Seasoned GM 4-bolt main block with one-piece rear main seal and passenger-side dipstick.
• Block material: Cast iron.
• Compression ratio: 10.0:1.
• Crankshaft: Scat nodular iron.
• Connecting rods: Scat 4340 forged I-beam rods with ARP 8740 bolts.
• Pistons: Forged pistons with moly rings.
• Camshaft: Hydraulic roller camshaft.
• Cam specs: 224/236 duration at .050, .591/.591 lift, 108 LSA.
• Timing set: Double-roller timing chain.
• Cylinder heads: Dart SHP aluminum heads, 72cc chambers, 2.02/1.60 valves.
• Rocker arms: Billet aluminum roller rockers, 1.6 ratio.
• Included components: Weiand Stealth dual-plane intake manifold, MSD GM HEI distributor, long water pump, harmonic balancer, oil pan, valve covers, timing cover, and cylinder heads.
• Not included: Carburetor, spark plugs, spark plug wires, flexplate, and flywheel.
• Fuel requirement: 91+ octane recommended.
• Converter recommendation: 2,500 rpm+ torque converter for best results.
• Important note: This engine will not produce enough vacuum for power brakes.

Product Benefits

• Big stroker power for serious builds: With 470 hp and 490 lb-ft of torque, this engine is built to deliver strong acceleration, hard mid-range pull, and the aggressive performance expected from a 383 stroker combination.
• Performance-focused component package: Forged pistons, Scat rods, a nodular iron crank, billet roller rockers, and Dart SHP aluminum heads create a stronger foundation for enthusiasts who want more than a stock replacement.
• Street and strip capable setup: The hydraulic roller cam, dual-plane intake, and 10.0:1 compression ratio support a powerful, responsive combination suited for muscle cars, hot rods, and aggressive street builds.
• Helpful mid-dress convenience: Key components such as the intake manifold, distributor, water pump, oil pan, timing cover, and balancer are already included, helping reduce parts sourcing and simplify the build process.
• Proven small-block Chevy foundation: The cast-iron 4-bolt block and one-piece rear main seal design offer a familiar and durable platform for classic Chevy performance projects.
• Optimized for enthusiasts who want a serious sound and feel: The retailer specifically positions this engine as a big-power package that “sounds flat out nasty,” making it a strong fit for buyers chasing a more aggressive street machine personality.

What kind of performance can I expect from the ATK High Performance Chevy 383 Stroker 470 HP?

The ATK High Performance Chevy 383 Stroker 470 HP is commonly listed at 470 horsepower and 490 lb-ft of torque, making it a strong option for street and strip builds that need fast throttle response, hard mid-range pull, and classic stroker V8 power.

Is this engine suitable for power brakes and regular street use?

It is built for real street and strip performance, but ATK notes that this engine will not produce enough vacuum for power brakes because of its aggressive camshaft profile. Buyers should plan the rest of the combo accordingly.