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ATK High Performance Engines | Chevrolet BB 489ci Complete Engine
Looking for the ultimate street/strip package? You can't go wrong with this 489 stroker built with the top quality parts you can expect out of ATK HP. This engine produces enough power to throw you back in your seat and the reliability that will last. Usually ships in 2 to 3 weeks.
Note: No mechanical fuel pump provisions, must run electric.
Product Type: Mid-Dress Engine
Application: Chevrolet Big Block V8 489 | 7.4L
Horsepower: 565HP
Torque: 595 ft/lbs.
Bore: 4.310"
Stroke: 4.250"
Block Displacement: Seasoned OE 4-Bolt Main 1-Pc. Seal Gen V 1991-1995
Main Caps: 4-Bolt
Main Cap Bolts: OE
Crankshaft: Scat Nodular Iron 4.250" Stroke Interally Balanced 1-Pc.
Pistons: Forged Small Dome
Compression: 10.0:1
Connecting Rods: Scat 4340 Forged I-Beam 6.385"
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, Edelbrock Aluminum E-Street 110cc/290cc, 2.19/1.88
Camshaft: Yes, Hydraulic Roller
Camshaft Specs: 237/245 @.050, .635in/.640ex, 112LSA
Rocker Arms: Yes, Billet Aluminum 1.7 Full Roller
Intake Manifold: Yes, Edelbrock Performer RPM Dual Plane #7161
Carburetor: Yes, Quick Fuel 780cfm #HR-780-VS
Throttle Body: No
Fuel Pump: No Mechanical Fuel Pump Provisions, Must run electric
Distributor: Yes
Oil Pan Included: Yes, OE 5qt., 10W30
Valve Covers: Yes, Chrome
Timing Set & Cover: Yes, Double Roller
Water Pump: Yes, High Performance Long Style
Air Cleaner: No
Spark Plugs: Yes
Spark Plug Wires: Yes
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"
Engine Block Material: Cast Iron
Manufacturer: ATK High Performance Engines
Manufacturer's Part Number: HP411PC
Warranty: Race Application, No warranty expressed or implied.
Weight: 575 lbs.
Quantity: Sold as Each
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