
Details
Give more muscle to your favourite vehicle with this ATK Chevy 350CI Engine. It delivers 408 horsepower and 414 lb/ft to meet your power and acceleration needs, and also generates enough of vacuum for power brakes. This engine includes harmonic balancer for reduced vibration.
Engine Specifications:
- Horsepower: 408
- Torque: 414 lb/ft
- Block: Seasoned OE 4 Bolt Main 1pc Seal Roller Block P/S Dipstick
- Bore/Stroke: 4.040 x 3.480
- Displacement: 350 C.I.D.
- Crankshaft: Scat Nodular Iron 3.480" Stroke Externally Balanced Rear/Internal Front 1pc.
- Connecting Rods: Scat 4340 Forged I Beam 5.700" ARP 8740 Bolts
- Pistons: Hypereutectic Flat Top
- Piston Rings: Moly Rings
- Compression Ratio: 10.1:1 Compression
- Camshaft: Hydraulic Roller
- Camshaft Specifications: 220/224 @050 .528in/.536ex 112LSA
- Camshaft Bearings: Installed & Clocked to OEM Position
- Cylinder Heads: Pro-Filer Aluminum 64cc/195cc 2.02/1.60
- Freeze Plugs: Brass Installed & Sealed
- Rocker Arms: Billet Aluminum 1.6 Full Roller
- Oil Galley Plugs: Installed & Sealed
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.
Contents
ATK High Performance GM 350 408 HP Stage 2 Long Block Crate Engines
Specifications
Engine Information:
• Oil: 10W30
• Oil Filter: Wix or K&N Recommended Per Your Application
• Fuel Delivery: Quick Fuel Carburetor 680cfm #HR-680-VS
• Intake Manifold: Edelbrock Performer RPM Dual Plane #7101
• Spark Plugs: Autolite #3923
• Spark Plug Gap: .035"
• Harmonic Balancer/Damper: POWERBOND Internally Balanced 8" #PB1046-N
• Flex Plate / Flywheel: Externally Balanced 168 Tooth
• Timing: 34-36 Degrees Total
• Water Pump: Long Water Pump
• Firing Order: 1 8 4 3 6 5 7 2
• Exhuast: 1 5/8 Headers
• Fuel Pump: Holley 110GPH Mechanical #12-327-11
• Fuel: 91+ Octane
• Ignition: MSD HEI #8362
• Automatic Transmission Stall Converter: 2200-2800
Accessories
Recommended Components:
• Carburetor: Quick Fuel 680cfm vacuum secondary electric choke #793-HR-680-VS
• Fuel Pump: Holley Mechanical 110gph #510-12-327-11
• Spark Plugs: Autotile #417-3923
• Spark Plug Wires: 8mm
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.
Shipping Instructions
Shipping is free and lift gate will be provided.
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