ATK Engines SP19-F High-Performance GM LS 6.0L Short Block with Flat-Top Pistons
Free Shipping$2,011.15
High-Performance Short Block
- GM LS 6.0L
- Cast Iron Block
- 24 Tooth Reluctor
- OE Forged Powder Metal Rods
- OE Hypereutectic Flat Top Pistons
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Confirm your vehicle, VIN and application before ordering. Call (478) 379-2400 or ask about fitment.
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Description
This short block is meant for a mild street build or a replacement for a worn short block.
Engine Information:
- Block: Seasoned 6.0L Cast #364 or 184
- Bore/Stroke: 4.030 in. x 3.622 in.
- Year Range: 2001-2007
- Camshaft Bearings: Installed and clocked to OEM position
- Freeze Plugs: Installed and sealed
- Oil Galley Plugs: Installed and sealed
Rotating Assembly:Â
- Crankshaft: OE 3.622 in. stroke internally balanced 24 tooth reluctor wheel
- Rods: OEÂ Forged Powder Metal 6.093 in. with stock bolts
- Pistons: OE Hypereutectic Flat Top with no valve reliefs
- Piston Rings: Moly rings
- Compression Ratio: 64 cc = 10.7:1 / 68 cc = 10.2:1 / 72 cc = 9.4:1
Recommend Components:Â
- Harmonic Balancer: Stock, Internally balanced
- Flexplate: Stock, Internally balanced
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
| Part Type | Short Block |
|---|---|
| Product Line | ATK Engines Small, Big Block Chevy & LS Short Blocks |
| Actual Engine CID | 370 |
| Bore | 4.03 in (102.362 mm) |
| Connecting Rod Material | Powdered metal |
| Connecting Rods Included | Yes |
| Crankshaft Included | Yes |
| Distributor Included | No |
| Engine Balance | Internal |
| Engine Block Material | Cast iron |
| Engine Stroke | 3.622 in (91.999 mm) |
| Flexplate Included | No |
| Flywheel Included | No |
| Harmonic Balancer Included | No |
| Oil Pan Included | No |
| Package Depth | 25.50 |
| Package Height | 28.55 |
| Package Width | 26.40 |
| Part Category | Performance Parts |
| Part Fitment | Semi Universal |
| Piston Material | Hypereutectic |
| Piston Rings Included | Yes |
| Piston Style | Flat top, with no valve reliefs |
| Shipping Weight | 359.00 |
| Timing Cover Included | No |
| Vendor Part Number | SP19-F |
Short Blocks for Street or Strip
ATK Engines High-Performance Short Blocks provide the foundation for your next engine build for Gen I Small Block Chevys, Big Block Chevys, and Gen III/IV LS. These short blocks support mild to extreme horsepower in naturally aspirated or boosted applications.









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