Expect huge boost in power to your ride by installing this ATK HP631PC Chevy 496 Stroker Engine 600HP Complete. It meets the needs of performance-demanding automobiles like muscle cars, trucks and others. This crate engine offers more the 605 ft.lb torque and 600 horsepower, creating a beast out of your car.
- Horsepower: 600+
- Torque: 605+ lbs./ft.
- Block: Seasoned OE 4 Bolt Main 1pc Seal Gen V 1991-1995
- Bore/Stroke: 4.310 x 4.250
- Displacement: 496 C.I.D.
- Crankshaft: Scat 4340 Forged 4.250" Stroke Internally Balanced 1pc.
- Connecting Rods: Scat 4340 Forged H Beam 6.385" ARP 8740 Bolts
- Pistons: Forged
- Piston Rings: Moly Rings
- Compression Ratio: 10.1:1 Compression
- Camshaft: Hydraulic Roller
- Camshaft Specifications: Custom Grind
- Camshaft Bearings: Installed & Clocked to OEM Position
- Cylinder Heads: Edelbrock Aluminum 118cc/315cc 2.19/1.88
- Freeze Plugs: Brass Installed & Sealed
- Rocker Arms: Howards Billet Aluminum Full Roller 1.7 Ratio
- Oil Galley Plugs: Installed & Sealed
- Oil Pan: Moroso 6qt.
- Weight: 510
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 GM 496 Stroker 600+ HP Stage 3 Long Block Crate Engines
• Oil: 10W30
• Oil Filter: Wix or K&N Recommended Per Your Application
• Fuel Delivery: Quick Fuel Race Carburetor 850cfm #Q-850
• Intake Manifold: Edelbrock Performer RPM Air-Gap Dual Plane #7562
• Spark Plugs: Autolite #3923
• Spark Plug Gap: .035"
• Harmonic Balancer/Damper: POWERBOND SFI Internally Balanced 8" #PB1211-SS
• Flex Plate / Flywheel: Internally Balanced 168 Tooth
• Timing: 34-36 Degrees Total
• Water Pump: Long Water Pump
• Firing Order: 1 8 4 3 6 5 7 2
• Exhuast: 2 1/8 Headers
• Fuel Pump: No Mechanical Fuel Pump Provision, Must Use Electric
• Fuel: 91+ Octane
• Ignition: MSD Pro Billet #85551
• Automatic Transmission Stall Converter: 3500+
• Fuel Pump: No mechanical fuel pump provision, must run an electric pump
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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