Trying to build a naturally aspirated engine for your muscle car? The ATK SP81 Chevy LS2 365CI Short Block -3.2cc can be the right choice. Built over New GM LS2 aluminum block, this engine includes forged connecting rods and forged pistons for exceptional strength to deal with serious power.
- 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 -3.2cc Flat Top
- 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.
ATK High Performance Chevy LS2 365 Short Blocks
• Oil: 5W30
• Harmonic Balancer/Damper: Internally Balanced
• Flex Plate / Flywheel: Internally Balanced
• 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.
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