ATK High Performance Chevy LM7 5.3L

Ordinarie pris 53 950 kr

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Crate Engine, GM 5.3L, LM7, 385 HP, Long Block, Internal Engine Balance, Aluminum Heads, Each

Actual Engine Displacement: 5.3L/325

Engine Assembly Style: Long block

Crate Engine Cylinder Head Material: Aluminum

Engine Block Material: Cast iron

Advertised Compression Ratio: 9.5:1

Assembled: Yes

Engine Balance: Internal

Cam Style: Hydraulic roller tappet

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

Quantity: Sold individually.

Notes: 24 tooth reluctor wheel.

ATK High Performance Chevy LM7 5.3L 385 HP Long BLock Crate Engines

With ATK High Performance Chevy LM7 5.3L 385 hp long block crate engines expect big mid to upper end power and a noticeable idle. They were designed to be performance upgrades for a 1999-2007 Chevy truck LM7 or an LS swap in a hot rod.

Technical specifications include:

* Horsepower: 385+

* Torque: 390+
* Block: GM 5.3L iron LM7
* Bore/stroke: Up to 3.809 x 3.622
* Year range: 1999-2007
* Displacement: 323 c.i.d.
* Crankshaft: OEM GM 3.622 in. stroke internally balanced 24 tooth reluctor wheel .857 in. flange
* Connecting rods: OE GM forged powder metal 6.093 in. stock bolts
* Pistons: Hypereutectic dish
* Piston rings: Moly rings
* Compression ratio: 9.5:1 compression
* Camshaft: Hydraulic roller
* Camshaft specifications: Custom grind
* Camshaft bearings: Installed and clocked to OEM position
* Cylinder heads: OE aluminum 61.15cc 1.89/1.55
* Freeze plugs: Brass installed and sealed
* Rocker arms: OE powdered metal 1.7 ratio
* Oil Galley plugs: Installed and sealed
* Weight: 385