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ATK High Performance Engines Chevrolet SB 383ci Mid-Dress Engine
When it comes to your high performance project, ATK knows how important it is to use quality parts from reputable suppliers. ATK only uses name brand major manufacturer parts and components in their performance engines. In fact, they pride themselves with using as many parts from USA suppliers as possible! Usually ships 1 to 2 weeks.
• Seasoned 4-Bolt Main 1-Pc. Seal Roller Block
• Scat Nodular Iron Crankshaft
• Scat 4340 5.7" I-Beam Rods w/ ARP fasteners
• Hypereutectic Pistons
• Performance Moly Rings
• Brass Freeze Plugs
• Pro-Filer Aluminum Heads
• Hydraulic Roller Camshaft
• 1.6 Ratio HP Stamped Steel Rocker Arms
• Double Roller Timing Set
• Performance Oil Pump
• MSD HEI Distributor (MSD8362)
• Weiand Stealth Dual Plane Intake Manifold
• Powerbond Harmonic Balancer
• Chrome Valve Covers
• High Performance Long Style Water Pump
Product Type: Mid-Dress Engine
Application: Chevrolet Small Block 383ci
Horsepower: 420HP
Torque: 465 ft/lbs.
Bore: 4.040"
Stroke: 3.750"
Block: Seasoned OE 4-Bolt Main 1-Pc. Seal Roller Block, P/S Dipstick
Main Caps: 4-Bolt
Main Cap Bolts: OE
Crankshaft: Scat Nodular Iron 1-Pc.
Pistons: Hypereutectic
Compression: 9.7:1
Connecting Rods: Scat 4340 Forged I-Beam 5.700"
Connecting Rod Fasteners: ARP 8740 Bolts
Rings: Moly Rings
Rod Bearings: Yes
Main Bearings: Yes
Cam Bearings: Yes (Installed & Clocked to OEM Position)
Cylinder Heads: Yes, Pro-Filer Aluminum 64cc/195cc, 2.02/1.60
Camshaft: Yes, Hydraulic Roller
Camshaft Specs: 220/224 @.050, .528in/.536ex, 112LS
Timing Chain: Double Roller
Rocker Arms: Yes, Stamped Steel 1.6 Ratio
Intake Manifold: Yes, Weiand Stealth Dual Plane
Carburetor: No
Throttle Body: No
Fuel Pump: No
Distributor: Yes, MSD HEI (#MSD8362)
Oil Pan Included: Yes, OE 5qt.
Valve Covers: Yes, Chrome
Timing Cover: Yes, Double Roller
Water Pump: Yes, High Performance Long Style
Air Cleaner: No
Spark Plugs: No
Spark Plug Wires: No
Computer: No
Wiring Harness: No
Freeze Plugs: Brass (Installed & Sealed)
Balanced: Yes, Externally Balanced Rear/Internal Front
Assembled: Yes
Flexplate Included: Yes, Externally Balance, 168-Tooth
Harmonic Balancer Included: Yes, Powerbond Internally Balanced 8"
Manufacturer: ATK High Performance Engines
Manufacturer's Part Number: HP94M
Warranty: Race Application, No warranty expressed or implied.
Weight: 375.0 lbs.
Quantity: Sold as Each
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