Green Monday Sale
  • Home
  • ATK Chevy 350CI Engine 345HP Base HP98

ATK Chevy 350CI Engine 345HP Base HP98

ATK Chevy 350CI Engine 345HP Base HP98

Item #22654

HP98 ATK Chevy 350CI Base Engine 345HP
Quantity:
Quantity: close
Only $2,693.01

• 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

 

 

Free Shipping on this item
< Back

Details

Want to build your own mean street machine? The ATK HP98 Chevy 350CI Engine 345HP Base will be the perfect heart to your muscle car. It generates 345 horsepower and 400 ft.lb torque, while maintaining excellent street manners. Producing enough vacuum, this crate engine supports all power accessories including power brakes.

Engine Specifications:

  • Horsepower: 345
  • Torque: 400 lbs./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: OE Cast Crank 3.480" Stroke Externally Balanced Rear/Internal Front 1pc.
  • Connecting Rods: OE Powder Metal 5.700" Stock Bolts
  • Pistons: Hypereutectic
  • Piston Rings: Moly Rings
  • Compression Ratio: 9.1:1 Compression
  • Camshaft: Hydraulic Roller
  • Camshaft Specifications: 220/224 @050 .495in/.502ex 110LSA
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Cylinder Heads: Dart Cast Iron 75cc/165cc 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...
< Back

Contents

ATK High Performance GM 350 345 HP Stage 1 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: 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: 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: HEI
• Automatic Transmission Stall Converter: 2200-2500


Warranty

Click Here to view ATK Engines Warranty


Accessories

Recommended Components:

• Balancer: Internal balance
• Carburetor: Quick Fuel 680cfm vacuum secondary electric choke #793-HR-680-VS
• Distributor: HEI (iron gear)
• Flexplate/Flywheel: External balance 1987-Up
• 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


Attention California Residents - Proposition 65


Proposition 65 Warning WARNING - Cancer and Reproductive Harm - www.P65Warnings.ca.gov






< Back

Customer Reviews

< Back

Questions & Answers