Combination of 460 horsepower and 490 torque delivers exceptional power and speed to your automobile. Aluminum cylinder head offers durability and the sealed freeze plugs and oil galley plugs enhance safety and reliability. This assembled long block engine includes intake manifold, carburetor, distributor, oil pan, valve covers, timing cover, water pump, harmonic balancer and spark plugs.
- Horsepower: 460
- Torque: 490
- 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: Forged
- Piston Rings: Moly Rings
- Compression Ratio: 10:1 Compression
- Camshaft: Hydraulic Roller
- Camshaft Specifications: 224/236 @050 .591in/.591ex 108LSA
- Camshaft Bearings: Installed & Clocked to OEM Position
- Cylinder Heads: ATK/Pro-Filer Aluminum 70cc/195cc 2.02/1.60
- Freeze Plugs: Brass Installed & Sealed
- Rocker Arms: Billet Aluminum Roller Rockers 1.6 Ratio
- Oil Galley Plugs: Installed & Sealed
- Oil Pan: OE 5qt.
- Weight: 430
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 Chevy 383 Stroker 460 HP Complete Long Block Crate Engines
• Oil: 10W30
• Oil Filter: Wix or K&N Recommended Per Your Application
• Fuel Delivery: Quick Fuel Carburetor 680cfm #HR-680-VS
• Intake Manifold: Weiand Stealth Dual Plane #8150
• Spark Plugs: Autolite #3923
• 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 3/4 Headers
• Fuel Pump: Holley 110GPH Mechanical #12-327-11
• Fuel: 91+ Octane
• Ignition: MSD HEI #8362
• Automatic Transmission Stall Converter: 2500+
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.
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