Best Crate Engines on X Factor Motor Sport: 7 Picks Ranked for Street Builds, Restorations and Replacements

Best Crate Engines on X Factor Motor Sport: 7 Picks Ranked for Street Builds, Restorations and Replacements

First, Direct answer: The best all-around performance choice listed by X Factor Motor Sport is the Chevrolet Performance LS 376/515 LS3 long block because it combines a published 6.2L LS3 foundation with a carbureted intake, wet-sump oil pan and assembled accessories.

For a more complete classic-car package, choose the LS Classic Series ’57 Fuelie.

Also, For a stock-style repair, the VEGE DCTK GM LS long block is the most practical starting point

provided the supplier confirms the exact VIN and displacement.

How we ranked these engines

For example, This is a catalogue-based buying guide, not a dyno test or an endorsement.

The seven products below were selected from X Factor Motor Sport’s live Crate Engines catalogue and individual product pages.

Therefore, We ranked them using five transparent criteria: the clarity of published specifications, how complete the assembly is

likely installation complexity, suitability for the stated use

First, and the risk of an expensive compatibility mismatch.

Manufacturer information was checked where an authoritative source was available.

Also, X Factor does not state that it tested or endorsed these products, so no such claim is made here.

The catalogue is large and its prices and availability can change.

For example, Where a product page does not publish a price, horsepower figure

warranty term, exact vehicle fitment or included component

Therefore, it is marked not stated rather than inferred.

A “long block” normally means the assembled block, rotating assembly

First, cylinder heads and valvetrain; it is not automatically a complete, ready-to-run engine.

Ranked comparison

| Rank | X Factor product | Best for | Published displacement | Assembly and notable inclusions | Important gap or caution |

Also, | 1 | Chevrolet Performance LS 376/515 LS3 | Carbureted street or muscle-car build | 6.2L / 376 cu.

in.

For example, | Assembled long block, carbureted intake

oil pan, valve covers

Therefore, timing cover, water pump

balancer and spark plugs | No carburetor, ECU

First, flexplate or flywheel; not for marine applications |

| 2 | LS Classic Series ’57 Fuelie GMLS9016 | Complete vintage-style LS installation | LS3-based 6.2L; 495 hp base engine stated on page | Holley Terminator management, harness

Also, vintage-style intake, injectors

throttle body, oil pan

For example, manifolds and flexplate | Option pricing varies; vehicle mounts, exhaust fit and transmission compatibility still require checking |

| 3 | Chevrolet Performance 6.2L/376 remanufactured long block | Builder wanting a substantial LS foundation | 6.2L / 376 cu.

Therefore, in.

| Aluminum block and heads, oil pan

First, valve covers, timing cover

water pump and harmonic balancer | Remanufactured; no intake, fuel system

Also, electronics, flexplate or flywheel |

| 4 | Chevrolet Performance LQ9/LQ9-style 6.0L LS | Early Gen III LS retrofit | 6.0L / 364 cu.

For example, in.

| Cast-iron block, LS3-style heads

Therefore, 24X crank and 1X cam triggers; page lists 10.3:1 compression and 6,800-rpm maximum | Requires a matching rectangular-port intake and correct early LS electronics |

| 5 | VEGE DCTK GM LS remanufactured long block | Budget GM truck, SUV or van replacement | 4.8L

First, 5.3L or 6.0L; exact version not stated | Block and heads assembled; internal components, timing set

oil pump and gasket set described on page | Exact fitment, warranty duration and final configuration must be confirmed with VIN and supplier |

Also, | 6 | VEGE Remanufactured VC12 | Traditional 350 replacement | 5.7L / 350 cu.

in.

For example, | Heads, oil pan

valve covers and timing cover; oil pump and gasket included | No intake, water pump

Therefore, balancer, flexplate

flywheel, ignition or electronics |

First, | 7 | VEGE Remanufactured DCE7 | Small-displacement replacement | 4.3L / 262 cu.

in.

Also, | Assembled remanufactured long block with cylinder heads; oil pump and gasket included | No intake, oil pan

valve covers, timing cover

For example, water pump, balancer or electronics |

Why these products rank where they do

1. Chevrolet Performance LS 376/515 LS3: best performance-oriented starting point

This is the strongest balance of capability and equipment.

Therefore, X Factor lists a 6.2L/376-cubic-inch aluminum LS3 long block with 10.7:1 compression, carbureted intake

wet-sump oil pan, water pump

First, balancer and spark plugs.

The page states 533 horsepower and 477 lb.-ft.

Also, torque.

It is not turnkey: the page excludes the carburetor, computer

For example, harness, flexplate and flywheel

and says it is not intended for marine applications.

Therefore, Confirm that the 515 cam and carbureted induction match the vehicle before ordering [2].

2. LS Classic Series ’57 Fuelie: best complete classic presentation

The ’57 Fuelie package earns second place because it addresses more of the installation than a conventional long block.

First, X Factor lists a new GM 495-hp “Hot Cam” LS3, vintage-inspired intake

Holley Terminator management and harness, injectors

Also, throttle body, oil pan

manifolds and flexplate.

For example, The page also publishes 10.7:1 compression, 58X reluctor, internal balance, 6,600-rpm maximum and a 2,400–2,800-rpm stall recommendation.

Styling does not guarantee chassis fit.

3. Chevrolet Performance 6.2L/376 remanufactured long block: best builder’s foundation

Therefore, This Chevrolet Performance remanufactured assembly suits a builder who wants a large LS platform but will select induction and electronics independently.

X Factor lists aluminum block and heads, internal balance

First, hydraulic OE roller cam style, oil pan

covers, water pump and balancer.

Also, It ranks below the new LS 376/515 because it is remanufactured and omits the intake, fuel system

electronics, flexplate and flywheel.

For example, Confirm warranty, core requirements and emissions status.

4. Chevrolet Performance LQ9: best early-LS retrofit candidate

The LQ9 listing is attractive for an early Gen III LS vehicle.

Therefore, X Factor publishes a 6.0L cast-iron block, LS3 rectangular-port heads

24X crank and 1X cam triggers, 10.3:1 compression and 6,800-rpm maximum.

First, GM confirms the 6.0L/364-cubic-inch, 24X/1X architecture and required rectangular-port intake [1].

That intake requirement is the central caution: this is not a universal plug-and-play replacement.

Also, GM also notes that electronics are not included, the existing Gen III controller requires tuning

and an adapter may be needed for some early throttle bodies [1].

5. VEGE DCTK: best value-oriented replacement route

For example, The DCTK listing is the practical pick for a GM truck, SUV or van owner who wants a remanufactured LS-family long block.

X Factor describes assembled block and heads, pistons, rings, bearings, camshaft, timing set, oil pump and gasket set.

Therefore, It warns that exact fit must be confirmed with the VIN.

The exact displacement, head material

First, horsepower, warranty duration and final included parts are not fixed on the page; transfer parts may be necessary.

6. VEGE VC12: classic 350 replacement

The VC12 is the clearest traditional small-block option.

Also, X Factor identifies a 5.7L/350 remanufactured long block with heads, oil pan, covers, oil pump and gasket.

Chevrolet’s 350 family remains a distinct architecture with its own compatible components [4].

For example, Do not treat “350” as sufficient fitment information.

Confirm seal style, accessory brackets, induction, distributor, cooling parts and transmission interface.

Therefore, The page excludes the intake, water pump, balancer, flexplate, flywheel and electronics.

7. VEGE DCE7: sensible only when 4.3L/262 is the target

The DCE7 is appropriate when a vehicle specifically requires a 4.3L/262 replacement.

First, Its page lists an assembled remanufactured engine with heads, oil pump and gasket, but excludes most external components.

Its narrow displacement makes it less versatile for performance builds.

Buying guidance and compatibility cautions

Also, Start with the vehicle, not horsepower.

Record the VIN, original displacement, engine generation, transmission, crank reluctor pattern, oil-pan clearance, mounts and emissions requirements.

For example, Send those details to X Factor before paying for a replacement long block.

Next, define the assembly level.

Therefore, A dressed engine may include induction, sensors, accessories and controls; a long block usually does not.

Budget separately for induction, ignition, ECU, harness, exhaust, accessory drive, starter, flexplate or flywheel, cooling and tuning.

First, LS engines require particular care.

A 24X/1X Gen III control strategy is not automatically interchangeable with a 58X/4X Gen IV system.

Also, Rectangular-port LS3 heads require a compatible intake, and the throttle-body pattern may require an adapter.

Chevrolet provides installation guides and compatible transmission information for its crate-engine families [3].

For example, Finally, verify use restrictions.

The LS364 documentation says it is not intended for marine applications [1], and the LS 376/515 X Factor page carries the same type of caution.

Therefore, Check emissions legality, competition-only language, warranty conditions, core charges and break-in procedure before installation.

Verdict

For the broadest performance appeal, choose the Chevrolet Performance LS 376/515 LS3 if a carbureted 6.2L build suits the vehicle.

First, Choose the LS Classic ’57 Fuelie when a more complete, vintage-styled electronic package is worth the added complexity and option cost.

For an OEM-style repair, the VEGE DCTK is the shortlist leader only after VIN confirmation.

Also, The VC12 and DCE7 are application-specific replacement engines, not universal upgrades.

Frequently asked questions

What is the best crate engine on X Factor Motor Sport?

The Chevrolet Performance LS 376/515 LS3 ranks first here for its published 6.2L specifications and relatively complete carbureted package.

For example, The best choice for a particular vehicle may instead be a remanufactured replacement after fitment verification.

Are these engines turnkey?

No.

Therefore, The LS Classic package is the closest to a complete installation, but even it does not eliminate vehicle-specific mounts

exhaust, cooling

First, transmission and accessory work.

Most other listings are long blocks and require external parts.

Does the LQ9 fit every LS vehicle?

Also, No.

It uses early 24X crank and 1X cam signals and requires a rectangular-port intake.

For example, Confirm controller compatibility, sensors, throttle-body pattern and tuning requirements before ordering [1].

What does a long block include?

It generally includes the assembled block, crankshaft, pistons, rods, camshaft, valvetrain and cylinder heads.

Therefore, Exact contents vary, so use the individual X Factor component list rather than assuming that intake

electronics or accessories are included.

Do these engines include a computer and wiring harness?

First, Most do not.

The LS Classic page lists Holley management and a harness; the LQ9, Chevrolet 6.2L remanufactured unit and VEGE long blocks list electronics as excluded or not included.

Can any of these engines be used in a boat?

Also, Do not assume so.

The LS 376/515 page says it is not intended for marine applications, and GM’s LS364 documentation carries the same warning [1].

For example, Use a purpose-built marine engine and verify the application with the manufacturer.

References

Also, [1]: https://www.gmperformancemotor.com/parts/19434650.html “GM Performance LS364/450HP – Gen III 6.0L 24x Long Block specifications and installation notes”

[2]: https://www.chevrolet.com/performance-parts/crate-engines/ls-lsx-engines/ls3-engine “Chevrolet Performance LS3 crate engine family specifications”

For example, [3]: https://www.chevrolet.com/performance-parts/owners-support/installation-guides “Chevrolet Performance installation guides”

[4]: https://www.chevrolet.com/performance-parts/crate-engines/small-block-engines/350-engine “Chevrolet Performance 350 crate engine family”

Therefore, *Catalogue information and availability can change.

Confirm current price, stock, warranty, core requirements and exact fitment with X Factor Motor Sport before ordering.*

First, .