Brand:
ATK High Performance Engines
Manufacturer's Part Number:
Part Type:
Crate Engines
Product Line:
ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI
UPC:
00653517731570
Crate Engine Family:
Chevy LS
Actual Engine Displacement:
5.7L/347
Crate Engine Cylinder Head Material:
Aluminum
Engine Block Material:
Cast iron
Advertised Compression Ratio:
10.1:1
Assembled:
Yes
Engine Balance:
Internal
Cam Style:
Hydraulic roller, OE roller
Rear Main Seal Style:
1-piece
Intake Manifold Included:
Yes
Intake Manifold Style:
Fuel Injection
Cylinder Heads Included:
Yes
Carburetor Included:
No
Throttle Body Included:
Yes
Distributor Included:
No
Oil Pan Included:
Yes
Valve Covers Included:
Yes
Timing Cover Included:
Yes
Water Pump Included:
No
Harmonic Balancer Included:
Yes
Flexplate Included:
No
Flywheel Included:
No
Air Cleaner Included:
No
Spark Plugs Included:
Yes
Spark Plug Wires Included:
Yes
Computer Included:
No
Wiring Harness Included:
No
Supercharger Included:
No
Remanufactured:
Yes
Quantity:
Sold individually.
Notes:
24X reluctor wheel.
ATK High Performance GM LM7 5.3L with AFR Heads 500 HP Crate Engines with EFI
ATK specializes in muscle. With the highest quality internal parts and dyno-proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty.
This ATK High Performance GM LM7 5.3L 500 hp long block crate engine is fitted with AFR heads and FiTech EFI.
Engine specifications:
* Horsepower: 500
* Torque: 440
* Block: OE LM7/5.3L iron
* Bore/stroke: up to 3.903 in. x 3.622 in.
* Displacement (cu.in): up to 347c.i.d.
* Crankshaft: OE GM 24 tooth reluctor wheel
* Rods: OE powder metal
* Pistons: Hypereutectic 10.1 compression
* Rings: Moly
* Camshaft: Hydraulic roller
* Cam specs: Custom performance grind
* Timing chain: OE single roller
* Cylinder heads:
-- AFR CNC ported aluminum
-- 59cc/200cc
-- 2.000 in. intake/1.570 in. exhaust
* Rocker arms: OE 1.7 ratio
* Oil pump: Melling M295
* EFI System:
-- FiTech Ultra port injection LS1 750 hp with transmission control
-- Wiring harness and ECM/TCM included
* Fuel injectors: FiTech 55 lb.
* Spark plugs: Autolite #104
* Spark plug wires: 8mm
* Balancer: Stock internally balanced
Make:
CHEVROLET
Beginning Year:
1999
Ending Year:
2020
Engine Type:
V8
Engine Size:
5.3L/323
Engine Family:
Chevy small block Gen III/IV (LS-based engines)
Cylinder Head Type:
AFR
Fuel Type:
GAS
Aspiration:
Naturally Aspirated
