Item # 22644 BRAND: ATK

ATK Chevy 350CI 87 Octane Engine 365HP Base HP91

HP91 ATK Chevy 350CI 87 Octane Base Engine 345HP
HP91 ATK Chevy 350CI 87 Octane Base Engine 345HP
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HP91 ATK Chevy 350CI 87 Octane Base Engine 345HP
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ATK Chevy 350CI 87 Octane Engine 365HP Base HP91

Description

Revamp your old car with this ATK HP91 Chevy 350CI 87 Octane Engine 345HP Base. It is carefully assembled and balanced by experts with top-notch quality components that will deliver consistent performance for years. Thanks to its noticeable idle, streetable 365 horsepower along with 400 ft.lb torque, it is a perfect choice for high-powered muscle cars and street rods.

Engine Specifications:

  • Horsepower: 365
  • 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 Dished
  • Piston Rings: Moly Rings
  • Compression Ratio: 8.9:1 Compression
  • Camshaft: Hydraulic Roller
  • Camshaft Specifications: 220/224 @050 .528in/.536ex 112LSA
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Cylinder Heads: ATK American Made Aluminum 64cc/185cc 2.02/1.60
  • Freeze Plugs: Brass Installed & Sealed
  • Rocker Arms: Stamped Steel 1.6 Ratio
  • Oil Galley Plugs: Installed & Sealed
  • Oil Pan: OE 5qt.
  • Weight: 350

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

Customer Reviews

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Questions & Answers

does this engine accept mechanical fuel for earlier chevy applications (Pre 1987)

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ATK Chevy 350CI 87 Octane Engine 365HP Base HP91
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Reg. $3,450.99
$3,450.99
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