Highly powerful and reliable, this ATK HP33 Chevy 383 Vortec Stroker Engine is ideal for daily drivers or hot rods. Hand-built using finest components, this engine has 380 horsepower and 460 lb/ft torque to offer great speeding and accelerating capability. This long block crate engine includes cast iron cylinder heads, oil pan, valve covers and timing cover.
- Horsepower: 380
- Torque: 460 lb/ft
- Block: Seasoned OE 4 Bolt Main 1pc Seal Roller Block P/S Dipstick
- Bore/Stroke: 4.040 x 3.750
- Displacement: 383 C.I.D.
- Crankshaft: Scat Nodular Iron 3.750" Stroke Externally Balanced Rear/Internal Front 1pc.
- Connecting Rods: Scat 4340 Forged I Beam 5.700" ARP 8740 Bolts
- Pistons: Hypereutectic Dished
- Piston Rings: Moly Rings
- Compression Ratio: 9.5:1 Compression
- Camshaft: Hydraulic Roller
- Camshaft Specifications: 220/224 @050 .495in/.502ex 112LSA
- Camshaft Bearings: Installed & Clocked to OEM Position
- Cylinder Heads: Dart Cast Iron 67cc/165cc 2.02/1.60
- Freeze Plugs: Brass Installed & Sealed
- Rocker Arms: Stamped Steel 1.5 Ratio
- Oil Galley Plugs: Installed & Sealed
- Oil Pan: OE 5qt.
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.
ATK High Performance GM 383 Vortec 380 HP Stage 1 Long Block Crate Engines
•Oil Filte: Wix or K&N Recommended Per Your Application
•Fuel Delivery: Quick Fuel Carburetor 680cfm #HR-680-VS
•Intake Manifold: Edelbrock Performer RPM Vortec Dual Plane #7116
•Spark Plugs: Autolite #605
•Spark Plug Gap: .035"
•Harmonic Balancer/Damper: POWERBOND Internally Balanced 8" #PB1046-N
•Flex Plate / Flywheel: Externally Balanced 168 Tooth
•Timing: 34-36 Degrees Total
•Water Pump: Long Water Pump
•Firing Order: 1 8 4 3 6 5 7 2
•Exhuast: 1 5/8 Headers
•Fuel Pump: Holley 110GPH Mechanical #12-327-11
•Fuel: 91+ Octane
•Ignition: MSD HEI #8362
•Automatic Transmission Stall Converter: 2200-2800
Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work for their application. Some modifications to the vehicle may be required using these and or other aftermarket parts.
Balancer: Internal balance Carburetor: Quick Fuel 680cfm vacuum secondary electric choke #793-HR-680-VS Distributor: HEI (iron gear) Intake Manifold: Edelbrock Performer RPM dual plane #350-7116 Fuel Pump: Holley Mechanical 110gph #510-12-327-11 Spark Plugs: Autotile #417-605 Spark Plug Wires: 8mm Water Pump: OE long pump
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