Item # 22645 BRAND: ATK Engines

ATK Chevy 350CI 87 Octane Engine 365HP Complete HP91C

HP91C ATK Chevy 350CI 345HP 87 Octane Complete Engine Long Block
HP91C ATK Chevy 350CI 345HP 87 Octane Complete Engine Long Block
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HP91C ATK Chevy 350CI 345HP 87 Octane Complete Engine Long Block

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ATK Chevy 350CI 87 Octane Engine 365HP Complete HP91C

Product Overview:

Description

Turn your old ride into a street monster within your budget by using this ATK HP91C Chevy 350CI 87 Octane Engine 345HP Complete. Using high-quality components, it is assembled and balanced by experts to produce a noticeable idle, huge 365 horsepower and rapid 400 ft.lb torque. This crate engine is a perfect fit for muscle cars, street rods or even pickup trucks.

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: 430

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

In the Box

Guides & Accessories

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ATK Chevy 350CI 87 Octane Engine 365HP Complete HP91C
$4,978.00
In Stock