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#35020091
ATK Engines SP76-B Chevy LM7 5.7L/347 Short Block
- Oil: Conventional / Non Synthetic 10W30
- Oil Filter: Wix or K&N
- Timing: 34-36 Degrees
$3,584.00
/each
Factory Shipped
Quantity
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Product Summary
Short Block Crate Engine Type, Internal Engine Balance
- Oil: Conventional / Non Synthetic 10W30
- Oil Filter: Wix or K&N
- Timing: 34-36 Degrees
- Spark Plug Gap: .035”
Key Specs
| Crate Engine Type | Short Block |
| Engine Displacement | 5.7 liters |
| Camshaft Type | Hydraulic Roller |
| Piston Material | Forged Aluminum |
| Crankshaft Material | Cast Iron |
Need To Know
Made to Order
This custom item will ship when completed
Truck Shipment
Truck shipments must be pre-paid with a credit card, certified check or money order
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Return PolicyATK Engines SP76-B Details
ATK Engines SP76-B Details
ATK High Performance Chevy LM7 5.7L/347 Short Blocks
ATK Chevy LM7 5.7L/347 short blocks provide a solid foundation for your build. Produced for the 1999-2007 trucks, LM7 engines are very popular engines to swap into musclecars and other LS swap vehicles. ATK High Performance Chevy LM7 5.7L/347 short blocks are built for naturally aspirated engines up to 700 hp.
Your ATK LM7 engine may include these components for optimal performance:
* Block: GM LM7 5.3L
* Bore/stroke: 3.903 x 3.622
* Displacement: 5.7/347 c.i.d.
* Crankshaft: OE reground 3.622 in., internally balanced 24-tooth
* Connecting rods: Scat Premium Pro 4340 forged I-beam with ARP 8740 bolts
* Pistons: Wiseco 2618 forged aluminum with coated skirts
* Piston rings: Wiseco GFX (alloy steel top ring)
* Camshaft bearings: Installed and clocked to OEM position
* Freeze plugs: Brass installed and sealed
* Oil galley plugs: installed and sealed
* Weight: 285 lbs.
CARB Warning
Follow EPA, CARB, and state regulations for engine changes
CARB Warning
Follow EPA, CARB, and state regulations for engine changes
ATK Engines SP76-B Specifications
ATK Engines SP76-B Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | SP76-B |
| Brand | ATK Engines |
| Crate Engine Type | Short Block |
| Engine Displacement | 5.7 liters |
| Camshaft Type | Hydraulic Roller |
| Piston Material | Forged Aluminum |
| Crankshaft Material | Cast Iron |
| Carburetor Included | No |
| Intake Manifold Included | No |
| Distributor Included | No |
| Connecting Rod Material | Forged 4340 Steel |
| Valve Covers Included | No |
| Engine Balance | Internal |
| Cylinder Heads Included | No |
| Rear Main Seal Style | 1-piece |
| Throttle Body Included | No |
| Timing Cover Included | No |
| Oil Pan Included | No |
| Water Pump Included | No |
| Harmonic Balancer Included | No |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | No |
| Spark Plug Wires Included | No |
| Computer Included | No |
| Wiring Harness Included | No |
| Reluctor Wheel | 24x |
| GENERAL | |
| Camshaft Duration (.050 in) | 220° intake / 224 ° exhaust |
| Camshaft Lift (in) | .528 intake / .536 exhaust |
| Bore x Stroke (in) | 4.040" x 3.480" |
| Assembled | Yes |
| Material Type | Cast Iron |
| GTIN Code | 00653517725210 |
| Notes | Compression options range from 8.9:1-9.5:1 depending on deck height and gasket thickness. |
| Sold in Quantity | Each |
| Connecting Rod Beam Style | I-Beam |
| Deck Height | 9.24" |
| Main Bolt Style | 6-bolt |
| Piston Style | Dish |
| Main Journal Type | Chevy LS |
Ratings & Reviews
Ratings & Reviews
Questions & Answers
Questions & Answers
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Fitment
Fitment
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