ATK SP103 GEN V LT 376CI Forged Short Block +12cc Dished Pistons

ATK SP103 GEN V LT 376CI Forged Short Block +12cc Dished Pistons

This short block is built for Naturally Aspirated engines, Boost or Nitrous. We start with a new GM LT Block and outfit it with a Manley 4340 Forged Crankshaft, H Beam Rods with ARP2000 bolts, Manley 2618 Forged Pistons and Total Seal CS AP ring package with Steel Top Rings. This short block will have the factory piston squirters installed. ARP Main Stud upgrade included

Engine Specifications:

• Block: New GM LT1/LT4
• Bore/Stroke: 4.065” x 3.622”
• Displacement (cu.in): 376 CID
• Crankshaft: Manley 4340 forged 58 tooth reluctor wheel
• Rods: Manley 4340 forged H beam 6.125” ARP 2000 bolts
• Pistons: 2618 forged +12cc dished
• Rings: Total Seal CS AP Steel Top Ring with Napier 2nd Ring Set
• Camshaft Bearings: Installed and Clocked to OEM Position
• Freeze Plugs: Installed and Sealed
• Oil Galley Plugs: Installed and Sealed
  Recommended Components:
  
• Balancer- Internal balance
• Flex plate/ Flywheel- Internal balance
• Head Gasket: .051” or per application
• Oil Pump: Factory
  Engine Info:
  
• Oil: 5W30 Non synthetic for first 3000 miles
• Oil Filter: Wix or K and N per application
  Disclaimer:
  
  The recommended components listed are ATK’s recommendations of parts to be used, applications vary and your build may need something different. Contact ATK for a recommendation if you’re not certain about a component to use. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.