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ATK Chevy LS2 365CI Short Block -25cc Dished Pistons 58 Tooth SP83 Engine

Item #22733

ATK Chevy LS2 365CI Short Block -25cc Dished Pistons 58 Tooth SP83 Engine
ATK SP83 Chevy LS2 365CI Short Block -25cc Dished Pistons
* * FREE SHIPPING on ATK Engines. This item ships directly from the manufacturer and is not available for store pickup. Some engines are made-to-order or can be backordered. Delivery can be delayed up to 4 to 5 weeks but usually ship within one week
$4,071.29
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Replace the worn-out short block in your muscle car with the ATK SP83 Chevy LS2 365CI Short Block. Made for naturally aspirated engines, this short block boasts larger displacement, forged aluminum pistons, and forged steel connecting rods to efficiently handle huge power.

Engine Specifications:

  • Block: New GM LS2 Aluminum
  • Bore/Stroke: 4.005 x 3.622
  • Displacement: 365 C.I.D.
  • Crankshaft: OE Reground 3.622" Stroke Internally Balanced
  • Connecting Rods: Scat Premium Pro 4340 Forged I Beam 6.125" ARP 8740 Bolts
  • Pistons: Wiseco 2618 Forged -25cc Dished
  • Piston Rings: Wiseco GFX (Alloy Steel Top Ring)
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Freeze Plugs: Brass Installed & Sealed
  • Oil Galley Plugs: Installed & Sealed
  • Weight: 285

Every great build needs a solid foundation! For that reason, we take the hard work out of the picture by selling short blocks that are ready for you to complete yourself. Our GM Short Blocks are most commonly packaged as the engine block assembled with Pistons, Piston Rings and Crankshaft installed.

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

Contents

ATK High Performance Chevy LS2 365 Short Blocks


Specifications

Engine Information:

• Oil: 5W30
• Harmonic Balancer/Damper: Internally Balanced
• Flex Plate / Flywheel: Internally Balanced


Accessories

Recommended Components:

• Balancer: Internal balance
• Flexplate/Flywheel: Internal balance
• Head Gasket: .051" thickness or per application
• Oil: 5W30 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&N per application
• Oil Pump: Melling #689-10295 with high pressure spring

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.


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