ATK HP89CPOL Chevy 350 Complete Engine 390HP

ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines Awesome performance and awesome looks collide with ATK High Performance GM 350 390 hp Stage 3 long block crate engines. They are topped with trick looking parts and have the power to back them up. Each engine is hand-assembled and balanced to help them put out 390 hp and 420 ft.-lbs. of torque that will tear up the street or strip. Whether you are looking to pack some more power in your street rod, muscle car, or truck, ATK has you covered! Handpicked, remanufactured block ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves Intake manifold Carburetion OE crankshaft and connecting rods Hypereutectic pistons Hydraulic roller camshaft Cam lift- .528 int./.536 exh. Cam duration at 0.50- 220 int./224 exh. 10.0:1 compression Distributor, plug wires, and plugs Valve covers Timing cover and timing set Oil pan, pump, and pickup tube Water pump Front damper and flexplate

Highlights

• 10.0:1 compression
• Cam duration at 0.50- 220 int./224 exh.
• Cam lift- .528 int./.536 exh.
• Hydraulic roller camshaft
• Hypereutectic Pistons

Specifications

• Crate Engine Type: Long Block
• Engine Displacement: 5.7 liters
• Horsepower: 390 horsepower
• Compression Ratio: 10.0:1
• Torque: 417 ft./lbs.
• Camshaft Type: Hydraulic Roller
• Cylinder Head Material: Aluminum
• Piston Material: Hypereutectic Aluminum
• Camshaft Duration (.050 in): 220° intake / 224 ° exhaust
• Camshaft Lift (in): .528 intake / .536 exhaust
• Bore x Stroke (in): 4.040″ x 3.480″
• Carburetor Included: Yes
• Intake Manifold Included: Yes
• Distributor Included: Yes
• Valve Covers Included: Yes
• Engine Balance: Internal/External
• Cylinder Heads Included: Yes
• Rear Main Seal Style: 1-piece
• Throttle Body Included: No
• Oil Pan Included: Yes
• Timing Cover Included: Yes
• Water Pump Included: Yes
• Harmonic Balancer Included: Yes
• Flexplate Included: No
• Flywheel Included: No
• Air Cleaner Included: Yes
• Spark Plugs Included: Yes
• Spark Plug Wires Included: Yes
• Computer Included: No
• Wiring Harness Included: No
• MFG. Part #: HP89CPOL
• GTIN Code: 00653517728778
• Sold in Quantity: Each
• Water Pump Style: Long
• Supercharger Included: No
• Recommended Fuel: 91-93 Octane
• Brand: ATK Engines

Emissions Notice

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine