ATK HP96 Chevy 383 Stroker Marine Base Engine 380HP



Lead Time: Estimated: 4 - 6 weeks


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  • $510 Core charge - $510.00


Engine Specifications:
• HP: 380
• TQ: 445
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040” x 3.750”
• Displacement: 383CI
• Crankshaft: Scat nodular iron external balance rear of crank/internal balance front of the crank
• Rods: Scat I beam 5.7” rods with ARP 8740 Bolts
• Pistons: Hypereutectic 9.1:1 compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 210/215 @50 .462in/.470ex 114LSA
• Timing Chain: Double roller
• Cylinder Heads: Dart SHP American Made aluminum 72cc/180cc 2.02/1.60
• Rocker Arms: Stamped steel 1.5 ratio
• Oil Pan: Rear sump 5qt
• Oil Pump: Melling STD volume
• Flexplate/Flywheel: Externally balanced (with Scat kit)

Recommended Components:
• Balancer: Internally balanced – PowerBond #PB1046-N
• Intake Manifold: Weiand stealth dual plane #8150
• Carburetor: Marine grade 650-680cfm
• Fuel Pump: Holley mechanical 110GPH #12-327-11
• Distributor: Marine grade with iron gear
• Spark Plugs: Autolite #3923
• Spark Plug Wires: Marine grade 8mm
• Water Pump: Per application

Engine Info:
• Oil: Conventional / Non synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+


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 in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.


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