The ATK Chevy 350CI engine is a perfect choice for anyone, who wants more power and performance. Featuring a mountain of 408 horsepower and 414 lb/ft torque, this assembled engine is ideal for street rods and muscle car applications. This long block engine includes cylinder heads, oil pan, valve covers and timing cover.
- 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
- Oil Pan: OE 5qt.
ATK High Performance GM 350 408 HP Stage 1 Long Block Crate Engines
•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
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.
Balancer: Internal balance Carburetor: Quick Fuel 680cfm vacuum secondary electric choke #793-HR-680-VS Distributor: HEI (iron gear) Intake Manifold: Weiand Stealth dual plane #925-8150 Fuel Pump: Holley Mechanical 110gph #510-12-327-11 Spark Plugs: Autotile #417-3923 Spark Plug Wires: 8mm Water Pump: OE long pump
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