Description
ATK SP67 LS3 415CI Stroker Short Block 10cc Dish Pistons 24 Tooth
Engine Specifications:
- Block: New GM L92/LS3 Aluminum
- Year Range: 2007-2013
- Bore/Stroke: 4.065” x 4.000”
- Displacement (cu.in): 415
- Crankshaft: Manley 4340 forged 24 tooth reluctor wheel
- Rods: Manley 4340 forged H beam 6.125” ARP 8740 bolts
- Pistons: Manley 2618 forged -10cc dished moly skirt coated
- Rings: Plasmamoly
- Compression Ratios: 64cc = 11:1 / 68cc = 10.6:1 / 72cc = 10.2:1 (can vary due to deck height/gasket thickness)
- 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: Melling #10296 with high pressure spring
Engine Info:
- Oil: 10W40 Non synthetic for first 3000 miles
- Oil Filter: Wix or K and N per application
Notes:
- DOD holes are NOT plugged. If your application does not require DOD/AFM you must plug the oil fill holes. Failure to do so will cause an internal oil leak causing low oil pressure problems.
| KEY SPECS | |
|---|---|
| MFG. Part # | SP67 |
| Brand | ATK Engines |
| Crate Engine Type | Short Block |
| Engine Displacement | 6.8 liters |
| Piston Material | Forged Aluminum |
| Crankshaft Material | Forged 4340 Steel |
| Connecting Rod Material | Forged 4340 Steel |
| Engine Balance | Internal |
| Rear Main Seal Style | 1-piece |
| Oil Pan Included | No |
| Timing Cover Included | No |
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