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This 350 bare block is a cast iron, 4-bolt block. Bored at 4.00, this is a versatile block that can be used in 302, 327, or 350 sized engines. This block is machined for flat tappets only, and is used in GM Goodwrench 350 engines from 1973 to 1985.
If you're looking for big-block power from a small block engine, the Chevy ZZ383 is what you need. The ZZ383 mixes Fast Burn aluminum performance heads with a 383" stroker small-block that can produce up to 425 horsepower and 449 lb.-ft. of torque. With the ZZ383/425, you get the power of a big-block with the size and weight of an aluminum-headed small-block.
The ZZ4 350 comes shipped to you with an aluminum dual-plane intake manifold, HEI distributor, cast iron dampener water pump, and flexplate. Simply bolt on a carburetor, starter, fuel pump, and plug wires and you're ready to go..
For the truck that needs the most low-RPM torque, GM has the HT 383 small-block.
The engineers at GM stuffed this engine with reliable, torque-producing parts that will give you the hill-flattening power you need for years to come.
The HT383 produces 435 lb.-ft. of torque at 4000 rpm, with more than 400 lb.-ft. of torque from 2500 rpm all the way up the 4000 rpm redline. This engine is equipped with heavy-duty rods, a 383 stroker forged steel crankshaft,, and hypereutectic pistons. The block is cast iron with 4-bolt main caps.
Bring your older car up to speed with the new standard in Corvette engines. The 400hp LS2 is a great replacement or upgrade for you late model muscle car. This engine is right at home in Corvettes, SSRs, GTOs, as well as many other custom applications.
The classic crate engine that's ready to run right out of the box. The ZZ4 is rated at 355 hp/405 lb.-ft. and includes everything needed to get it running – from the carburetor and starter to popular accessories.

The Ram Jet 350 crate engine blends the best of old and new. Originally offered in the late-1950s, the Ram Jet 350 has been improved with a styled intake plenum that fuels a state-of-the-art, electronically controlled port fuel injection system. The sophisticated, latest-generation MEFI 4 controller increases reliability and economy for great all-around drivability.
The Chevy 350 High Output Deluxe is the perfect crate engine to power you older muscle car or hot rod-right out of the box. Using the base 350HO, the Deluxe adds a Holley 600 cfm carb, an aluminum, dual plane intake manifold, GM HEI distributor, water pump, torsional damper, and even a flexplate for automatic transmissions, all in one package.
Power, affordability, and reliability are what has made the 350 a classic.This 350 HO Turn-Key crate engine starts with a brand-new engine block with four-bolt mains,adds a set of brand-new Vortec iron heads, and a hydraulic flat-tappet cam. The 350 HO Turn-Key comes complete with the intake manifold and distributor installed, and also includes the carburetor, front-accessory kit, starter, fuel pump and spark plug wires. It’s nearly everything you need to get this engine powering your project car or daily driver.
The 350 HO Base engine includes the same, important, power building elements as the Turn-Key and Deluxe versions above, but it comes without an intake manifold, carburetor or distributor, and has iron Vortec heads.
Power-building ‘Fast Burn’ heads matched with the ZZ4 short-block delivers stunning performance in this small block with the horsepower-building Fast Burn cylinder heads. This engine offers385 horsepower and385 lb.-ft. of torque – with 300 lb.-ft. from 1,500 rpm to 5,700 rpm. The base is a sturdy iron block with four-bolt mains, a forged steel crankshaft, durable high silicon pistons, an aggressive hydraulic roller camshaft.This turn-key engine includes the distributor, carburetor and balancer installed, as well as a starter, fuel pump, air conditioning pump, alternator, front-end accessory drive kit and more-all in one convenient, all-inclusive package.

Behold the most legendary engine in muscle car history - Chevy 454 Big-Block. GM Performance Parts engineers were able to update this classic to the 21st century using the latest technology– and the best part is that it needs no more space under the hood than an original LS engine. It’s ideal for a late-model Camaro drag car or a high-tech '72 Chevelle street machine. The LSX454 come shipped with a completely forged, super-tough rotating assembly and a set of GM's new LSX six-bolt cylinder heads. It also comes dressed with stylish orange powder-coated valve covers with engraved “LSX454” logos. Oil pan not included.
The Economy Performance 350 is GM's most popular crate engine due to it's performance and value. It is the perfect replacement for any GM vehicle that shipped originally with a small block. But don't let the price fool you-this engine produces a solid, reliable 290hp and 326lb-ft of torque. This engine comes equipped with a four-bolt main bearing block, hydraulic camshaft and aluminum pistons . The cast iron cylinder heads are durable and reliable while allowing excellent airflow to the engine. The package contains a base-level long block, and allows you to completely customize your setup by adding an intake manifold, carburetor, ignition system, starter, and water pump.
This monster the ZZ502 Base Engine comes as a convenient partial engine assembly allowing to custom build the engine of your dreams. Included are the big-block V-8, four-bolt main and the fundamental parts you need so you only have to choose the fun parts. "bore and is stroked to 4.00". It comes equipped with aluminum cylinder heads with huge 110 cc combustion chambers. The valve train is just as open to keep the engine breathing easy. The forged steel crankshaft is paired up with a hydraulic roller cam.
This Big Block ZZ454 takes the awesome 454 HO, swaps out the cast iron stock heads for GM's oval-port aluminum castings. These new aluminum cylinder heads flow more air, create 15 more horsepower, as well as shaving off almost 100lbs from the weight of the engine. This Chevrolet Big Block ZZ454 is shipped as a complete assembly including water pump, intake manifold, and 14" automatic transmission flexplate, and balancer.You get to customize by picking out your carburetor, ignition, and starter.
It's a 502" big-inch engine an 11" fuel-injected intake manifold slapped on top. Along with just looking cool, the Ram Jet intake greatly increases the throttle response to the 502. The aluminum head and fuel injection creates 502 horsepower and 565 lb.-ft. of torque. The Ram Jet intake gives you more torque in the upper RPM range.
The 454 HO offers musclecar power at an economy price. This 454 features a brand new-that's right, brand new-Gen VI four-bolt big-block. It is outfitted with a forged piston, a forged steel crank, and forged connecting rods. It features a roller camshaft with .510/.540" lift , while cast iron cylinder heads deliver a fuel-saving 8.75:1 compression ratio. Horsepower comes in at 425 with 500 lb.-ft. of big-block torque. This engine is shipped to you complete with intake manifold, water pump, balancer, and 14" automatic transmission flexplate. And you're free to customize with your own carburetor, ignition, and starter to finish the beast.
The choice Big-Block crate engine for the street and strip, GM Performance Parts' ZZ502/502 is one of hot rodding's classic crate engines. This is a perfect combination of performance and value for street or strip. This engine features and incredible 500 horsepower and 567 lb.-ft. of torque. It ships complete from the oil pan to the carburetor, including an HEI distributor, plug wires, starter, water pump, balancer and an aluminum intake topped with a Holley 870-cfm four barrel.
Get an incredible 350 horsepower from this classic 350. This is the engine for buget-concious racers who demand durability and low maintenance. Based on the popular 350 HO high-performance street crate engine, the 350 Circle Track includes a four-bolt-main block and Vortec-style iron cylinder heads. The Vortec heads and unique dual-pattern camshaft help deliver more than 300 lb.-ft. of torque at 2,000 rpm and hold it above that mark through 5,500 rpm – it peaks at 390 lb.-ft. at 3,800 rpm. The CT350 is equipped with an 8-quart circle track racing oil pan, balancer, HEI distributor and an aluminum high-rise, dual-plane intake manifold. You're left to do the customization with your own carburetor, starter, spark plugs, wires and water pump.