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2004 GMC Engines & Components

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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

4.93 out of 5 stars ( 15 )

$4,189.99

VEGE Remanufactured Long Block Crate Engines

VEGE remanufactured long block crate engines are an excellent foundation for budget-minded builds. These premium-quality refurbished engines are drop-in replacements for a wide range of stock vehicles—and can be retrofitted into additional applications. Each engine is reverse-engineered to ensure that any original defects are removed. Certified technicians recondition the long blocks to factory specifications, replacing wearable parts or machining them back to OE standards. The engines are thoroughly tested and calibrated to deliver maximum performance and long-term durability. Order the VEGE remanufactured crate engine recommended for your vehicle.

3.76 out of 5 stars ( 74 )

$2,459.99

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$4,440.99

Mahle Cast Aluminum Diesel Piston and Ring Kits

Withstand the pressure, even under extreme loads, with Mahle cast aluminum diesel piston and ring kits. They are delivered with standard features, like ring carriers made from high-strength austenitic cast iron, salt core cooling channels or cooled ring carriers, and a Mahle Grafal coating for optimum skirt performance. The kits include a full set of rings to complete the installation. Diesel engines have high-temperature loads and demand improved materials for fatigue resistance, reinforced critical points for maximum strength, and improved piston cooling. Mahle cast aluminum diesel pistons meet these requirements to keep your diesel engine running in top form, despite today's challenges.

Not Yet Reviewed

$2,001.10

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits

United Engine and Machine Speed of Air Hyperformance piston and ring kits are offered for a wide range of Chevrolet, GMC, and Ford vehicles. Speed of Air's peerless engine technology enables internal combustion engines to operate with better fuel efficiency, better performance, and with substantially decreased emissions output. These kits are available in a variety of bore, stroke, rod, dish options and include dark bronze/gold Cerakote coating. Increase your ride's available power and torque with a set of Hyperformance pistons and rings.

Not Yet Reviewed

$2,422.37

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$4,112.15

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