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ATK New Chevy 350CI Engine 315HP Base HP92

ATK New Chevy 350CI Engine 315HP Base HP92

Item #22647

HP92 ATK New Chevy 350CI Base Engine 315HP
Quantity: close
Only $3,049.00

• This item ships directly from the manufacturer

• Expected delivery time is 1 – 2 weeks

• Not available in Eastwood Retail Stores

• Order may not be changed or canceled


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The ATK HP92 New Chevy 350CI Engine 315HP Base is designed with absolute performance in mind. It provides 315 horsepower and 360 torque to meet the needs of heavyweight autos. Impressively, it delivers such power on the regular 87 octane fuel, saving you some money. The GM 4-bolt main block is hand assembled and balanced with high-quality components.

Engine Specifications:

  • Horsepower: 315
  • Torque: 360 lbs./ft.
  • Block: 100% New GM 4 Bolt Main 2pc Seal P/S Dipstick
  • Bore/Stroke: 4.000 x 3.480
  • Displacement: 350 C.I.D.
  • Crankshaft: OE Cast Crank 3.480" Stroke Internally Balanced 2pc.
  • Connecting Rods: OE Powder Metal 5.700" Stock Bolts
  • Pistons: OE Cast Aluminum
  • Piston Rings: Moly Rings
  • Compression Ratio: 8.0:1 Compression
  • Camshaft: Hydraulic Flat Tappet
  • Camshaft Specifications: 224/234 @050 .465in/.488ex 112LSA
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Cylinder Heads: OE Cast Iron 75cc 1.94/1.50
  • Freeze Plugs: Brass Installed & Sealed
  • Rocker Arms: Stamped Steel 1.5 Ratio
  • Oil Galley Plugs: Installed & Sealed
  • Oil Pan: OE 5qt.
  • Weight: 410

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.

Don't forget the engine paint!
Engine Paint

More info...
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ATK High Performance GM 350 315 HP Stage 1 Long Block Crate Engines


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: Weiand Stealth Dual Plane #8150
• Spark Plugs: Champion RV12C
• Spark Plug Gap: .035"
• Harmonic Balancer/Damper: POWERBOND Internally Balanced 8" #PB1046-N
• 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: 1 5/8 Headers
• Fuel Pump: Holley 110GPH Mechanical #12-327-11
• Fuel: 87 Octane
• Ignition: MSD HEI #8362
• Automatic Transmission Stall Converter: 2000-2500


Click Here to view ATK Engines Warranty


Recommended Components:

• Balancer: 8" internal balance
• Carburetor: Quick Fuel 680cfm vacuum secondary electric choke #793-HR-680-VS
• Distributor: HEI (iron gear)
• Flexplate/Flywheel: Internal balance 168 tooth
• Intake Manifold: Weiand Stealth dual plane #925-8150
• Fuel Pump: Holley Mechanical 110gph #510-12-327-11
• Spark Plugs: Champion #RV12C or NGK #739-YR5
• Spark Plug Wires: 8mm
• Water Pump: OE long 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.

Shipping Instructions

Shipping is free and lift gate will be provided.

Eastwood Offers Free Lifetime Technical Support

Click here for product SDS information

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