$ USD
Description
Summit Racing Chevy LS 5.3L 450HP Long Block Crate Engines SUM-150153 For Sale
Summit Racing Chevy Long Block Crate Engines For Sale, Looking for impressive LS engine performance at a budget-friendly price? Summit Racing™ remanufactured 5.3L LS long block crate engines deliver 450+ horsepower and 420+ lbs.-ft. of torque! This engine offers the power and drivability you want at a price that fits your budget. It’s a great performance upgrade for 1999-2007 Chevy trucks or a perfect option for an engine swap into your project vehicle. Skip the hassle of machine work and assembly—just bolt on your accessories and drop it in. These engines are machined and assembled by ATK, and they come with a 2-year unlimited mileage warranty for added peace of mind.
Technical Specifications:
- Horsepower: 450+
- Torque: 420+
- Block: Seasoned OE LM7/5.3L iron
- Bore/Stroke: 3.800-3.820 in. x 3.622 in.
- Year Range: 1999-2007
- Displacement: 323 C.I.D.
- Crankshaft: OEM GM 3.622 in. stroke, internally balanced, 24-tooth reluctor wheel
- Connecting Rods: OE GM forged powder metal 6.093 in.
- Pistons: Hypereutectic flat top
- Piston Rings: Moly
- Compression Ratio: 10:1
- Camshaft: Summit Racing Pro LS Roller
- Camshaft Specifications: Lift- 550/550, Duration @.050- 222/232
- Camshaft Bearings: Installed and clocked to OEM position
- Cylinder Heads: #799 or #243 OE aluminum 64cc, 2.00 in./1.55 in. valves
- Freeze Plugs: Brass installed and sealed
- Rocker Arms: OE powdered metal 1.7 ratio
- Oil Galley Plugs: Installed and sealed
Summit Racing Chevy Long Block Crate Engines For Sale
Brand:
Manufacturer’s Part Number:
SUM-150153
Part Type:
Product Line:
Summit Racing Part Number:
SUM-150153
UPC:
190861239012
Crate Engine Family:
Chevy LS
Actual Engine Displacement:
5.3L/323
Crate Engine Cylinder Head Material:
Aluminum
Engine Block Material:
Cast iron
Advertised Compression Ratio:
10.0:1
Assembled:
Yes
Engine Balance:
Internal
Cam Style:
Hydraulic roller, OE roller
Rear Main Seal Style:
1-piece
Intake Manifold Included:
No
Cylinder Heads Included:
Yes
Carburetor Included:
No
Throttle Body Included:
No
Distributor Included:
No
Oil Pan Included:
No
Valve Covers Included:
No
Timing Cover 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
Supercharger Included:
No
Remanufactured:
Yes
Quantity:
Sold individually.
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