ATK SP100 Dart SHP LS Next 441CI Short Block



1 in stock (can be backordered)|Lead Time: Estimated: 4 - 6 weeks



Looking for a large cubic inch short block to make big NA power? This 441CI Dart SHP LS Next short block is the perfect foundation!

Engine Specifications:
• Block: Dart SHP LS Next Cast Iron
• Bore/Stroke: 4.125” x 4.125”
• Displacement ( 441 CID
• Crankshaft: Scat 4340 forged 58 tooth reluctor wheel
• Rods: Scat 4340 forged H beam 6.125” ARP 2000 bolts
• Pistons: 2618 forged +22cc dished moly skirt coated
• Rings: Steel Top Ring with Napier 2nd Ring Set
• Compression Ratios: 66cc = 10.1:1 / 68cc = 9.9:1 / 70cc = 9.8:1 (can vary due to deck height/gasket thickness)
• Camshaft Bearings: Installed & Clocked to OEM Position
• Freeze Plugs: Installed & Sealed
• Oil Galley Plugs: Installed & Sealed

Recommended Components:
• Balancer- Internal balance
• Flex plate/ Flywheel- Internal balance
• Head Gasket: .051” or per application
• Oil Pump: Melling #10296 with high pressure spring

Engine Info:
• Oil: 10W40 Non synthetic for first 3000 miles
• Oil Filter: Wix or K&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.


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