What Is an LS Engine Crate Motor?
An LS engine crate motor is a brand-new or re-manufactured engine based on the popular LS-series platform, shipped fully assembled and ready for installation. These engines are known for their lightweight design, compact size, and impressive power output.
Originally developed for performance vehicles, LS engines are now widely used in swaps across muscle cars, trucks, and even custom builds.
ATK High Performance Chevy LS 454 Short Blocks SP93-G4
Short Block, Chevrolet LS Gen IV 454, Internally Balanced, 24 Tooth Reluctor, +3.2cc Flat Top Pistons
ATK High Performance Chevy LS 364 short blocks are 100 percent GM Gen IV blocks. They are built for all motor builds with higher compression, but with the option of running pump gas they will hold up to 700 hp. ATK takes the hard work out of your project by selling blocks that are ready to complete yourself. Every great build needs a solid foundation. Start yours with one of ATK’s Chevy LS 364 short blocks.
Technical specifications:
* For naturally aspirated engines
* Block: GM 6.0L iron Gen IV
* Bore/stroke: 4.000 x 3.622
* Displacement: 364 c.i.d.
* Crankshaft: OE reground 3.622 in. internally balanced 24 tooth
* Connecting rods: Scat 4340 forged I-beam with ARP 8740 bolts
* Pistons: Wiseco 2618 forged (dished or flat top)
* Piston rings: Wiseco GFX with steel top ring
* Compression ratio: 64cc = 9.7:1, 68cc = 9.3:1, 72cc = 8.9:1 (can vary due to deck height/gasket thickness)
* Camshaft bearings: Installed and clocked to OEM position
* Freeze plugs: Brass installed and sealed
* Oil galley plugs: Installed and sealed
* Weight: 285 lbs.
Applications
Popular LS Engine Crate Motor Options
When shopping for an LS engine crate motor, you’ll find several popular choices:
- LS1 – A great entry-level option with solid performance
- LS3 – One of the most popular crate motors, offering excellent horsepower
- LS7 – High-performance engine with serious power output
- LSX – Built for extreme performance and racing applications
Each option caters to different budgets and performance goals.
When looking for performance upgrades, many enthusiasts turn to an LS crate engine as a reliable and powerful solution. Whether you call it an LS motor crate or a GM LS crate engine, this platform has become the go-to choice for builders who want a ready-to-install LS motor without the hassle of a full rebuild. With options like the LS3 crate engine and LS7 performance engine, drivers can easily match their horsepower goals while staying within budget.
For those planning a project, an LS swap engine offers incredible flexibility. From classic muscle cars to modern builds, the popularity of the LS engine swap continues to grow thanks to its affordability and aftermarket support. Many buyers search for an LS crate engine for sale or compare the LS crate engine price before committing, making it important to understand the value of a turnkey LS engine that’s already assembled and tested.
Performance seekers often explore upgrades like a turbo LS crate motor or a supercharged LS engine to push their builds even further. At the same time, beginners might look for the best LS engine for swap projects or research the cheapest way to LS swap a car. No matter the goal, choosing the right LS V8 crate engine ensures a balance of power, reliability, and long-term performance.
