We researched and compared the top small block Chevy crate motors available, analyzing manufacturer specifications, published industry standards, and aggregated owner feedback. Our evaluation focuses on power output, reliability, ease of installation, and overall value to help you choose the right engine for your project.
Whether you are building a weekend cruiser, a street performance machine, or a track-focused vehicle, we have identified the best options across different power levels and budgets. Each pick includes honest limitations and who should consider skipping it.
| Photo | Product | Score | Buy |
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Chevrolet Performance 350 HO 290HP Crate Engine Best All-Around 350 cu in, 290 hp, 330 lb-ft torque, cast iron block, 4-bolt main |
9.0 | 🛒 Check Price |
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BluePrint Engines BP3501CT 350 Crate Engine Best Value 350 cu in, 350 hp, 400 lb-ft torque, cast iron block, roller cam |
8.7 | 🛒 Check Price |
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Chevrolet Performance 350 Deluxe 300HP Crate Engine Most Complete Package 350 cu in, 300 hp, 380 lb-ft torque, cast iron block, includes oil pan and flexplate |
8.4 | 🛒 Check Price |
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ATK HP2C 350 Crate Engine Best for Torque 350 cu in, 320 hp, 410 lb-ft torque, cast iron block, hydraulic roller cam |
8.1 | 🛒 Check Price |
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Jegs 350 Crate Engine 290HP Budget Friendly 350 cu in, 290 hp, 330 lb-ft torque, cast iron block, flat tappet cam |
7.8 | 🛒 Check Price |
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Chevrolet Performance Fast Burn 385 350 Crate Engine Best Performance 350 cu in, 385 hp, 400 lb-ft torque, aluminum heads, hydraulic roller cam |
9.2 | 🛒 Check Price |
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Summit Racing SUM-350CR 350 Crate Engine Good for Beginners 350 cu in, 290 hp, 330 lb-ft torque, cast iron block, flat tappet cam |
7.3 | 🛒 Check Price |
1. Chevrolet Performance 350 HO 290HP Crate Engine: Best All-Around
The Chevrolet Performance 350 HO 290HP crate engine is our top pick for a balanced, reliable small block Chevy. It comes fully assembled with a cast iron 4-bolt main block, offering a solid foundation for street-driven cars. Owner feedback highlights its smooth idle and consistent power delivery, making it a favorite for first-time builders and restorations. In our evaluation, it meets published specifications and provides a great value for those seeking a turnkey solution.
However, this engine is not designed for high-RPM racing or forced induction. If you plan to exceed 400 hp or track the car regularly, you will need to upgrade the rotating assembly and camshaft. Skip this pick if you want a high-horsepower drag motor or plan to boost it heavily.
- Factory-assembled with quality control and warranty support
- 4-bolt main block provides excellent durability for street use
- Includes intake manifold, distributor, and harmonic balancer
Pros: Reliable and well-documented build; Good torque curve for daily driving
Cons: Not ideal for high-performance racing without upgrades
2. BluePrint Engines BP3501CT 350 Crate Engine: Best Value
BluePrint Engines BP3501CT offers a compelling package for budget-conscious builders. It produces 350 hp and 400 lb-ft of torque from a roller cam setup, providing a strong mid-range punch. Owner feedback often praises the included dyno sheet and responsive customer service. In our comparison, it delivers the best value per horsepower among crate motors in this range.
That said, the cast iron block adds weight, and the engine is tuned for pump gas. If you need a lightweight engine for a road race car or plan to run E85, consider other options. This motor is best for street rods, trucks, and mild performance builds.
- Roller camshaft for improved performance and reliability
- Includes dyno sheet verified power figures
- 30-month unlimited mileage warranty
Pros: Excellent warranty and customer support; Strong torque for street driving
Cons: Heavier than some aluminum block options
3. Chevrolet Performance 350 Deluxe 300HP Crate Engine: Most Complete Package
The Chevrolet Performance 350 Deluxe is a great choice for those who want a nearly complete engine out of the box. It includes an oil pan, timing cover, and flexplate, reducing the parts list for your swap. In owner reviews, it is often chosen for classic car restorations where originality and ease of installation matter. Our research shows it meets factory specs and runs reliably on regular fuel.
However, its 300 hp rating is modest, and the cast iron heads limit airflow. If you are chasing higher power numbers, you will be better served by a BluePrint or GM Performance Fast Burn. Skip this if you want a high-performance street machine or plan to add forced induction.
- Comes with oil pan, timing cover, and flexplate for easy installation
- Factory balanced rotating assembly for smooth operation
- Good for beginners and restoration projects
Pros: Includes many components others leave out; Reliable and emissions-legal in many areas
Cons: Lower power output compared to aftermarket builds
4. ATK HP2C 350 Crate Engine: Best for Torque
The ATK HP2C is designed for those who prioritize torque over peak horsepower. With 410 lb-ft available at lower RPMs, it is a strong performer in trucks, SUVs, and heavy street machines. Owner feedback indicates good throttle response and durability under load. In our evaluation, its torque curve stands out among similarly priced crate motors.
However, some owners have reported oil leaks from the rear main seal, and the included carburetor may need tuning. The power output is moderate for the price. Skip this engine if you need a high-revving performance motor or want a plug-and-play experience without potential leaks.
- High torque output ideal for trucks and heavy vehicles
- Hydraulic roller cam reduces maintenance
- Includes dyno sheet and warranty
Pros: Excellent low-end torque for towing and off-idle response; Roller cam improves valve train longevity
Cons: Some owners report oil leaks at the rear main seal
5. Jegs 350 Crate Engine 290HP: Budget Friendly
Jegs 350 Crate Engine is a no-frills option for budget-restricted builders. It delivers 290 hp and includes essential components like an oil pan and valve covers. Owner feedback often notes it as a reliable replacement for tired engines in daily drivers. In our comparison, it offers the lowest cost per horsepower, but the flat tappet cam demands careful break-in and high-zinc oil.
This engine is not recommended for high-performance builds or extended high-RPM use. The cast iron heads and flat tappet cam limit its potential. Skip this if you want a modern roller cam or plan to race your vehicle.
- Affordable entry-level crate engine
- Includes timing cover, oil pan, and valve covers
- Good for budget builds and daily drivers
Pros: Lowest price among major crate engines; Simple design easy to work on
Cons: Flat tappet cam requires proper break-in and zinc oil
6. Chevrolet Performance Fast Burn 385 350 Crate Engine: Best Performance
The Chevrolet Performance Fast Burn 385 is the top performer in our lineup, delivering 385 hp with aluminum heads and a hydraulic roller cam. It is a favorite among enthusiasts who want substantial power without building from scratch. Owner feedback praises its strong top-end pull and compatibility with aftermarket EFI systems. In our evaluation, it offers the best power-to-weight ratio among crate motors.
However, the premium price may be prohibitive for some, and the aluminum heads are more sensitive to detonation than iron. If you are on a strict budget or need a torque monster for towing, this engine may not be the best fit. It shines in street performance cars and weekend track toys.
- Aluminum cylinder heads reduce weight and improve airflow
- Hydraulic roller cam for durability and performance
- Factory balanced and dyno tested
Pros: Excellent power out of the box; Lightweight design improves handling
Cons: Higher price point
7. Summit Racing SUM-350CR 350 Crate Engine: Good for Beginners
The Summit Racing SUM-350CR is an entry-level crate engine that gets the job done for basic builds. It produces 290 hp and comes with necessary components to start your swap. Owner feedback indicates it is a straightforward replacement for stock engines, but some note inconsistent quality control. In our evaluation, it is a functional budget option but lacks the refinement of higher-priced motors.
This engine is not suited for performance applications. The flat tappet cam requires careful break-in, and the cast iron heads restrict airflow. Skip this if you want more than 300 hp or plan to use the engine for racing. It is best for a low-budget daily driver or a first project car.
- Affordable and simple design
- Includes oil pan, timing cover, and valve covers
- Good for first-time builders on a budget
Pros: Low cost of entry; Easy to install with basic tools
Cons: Limited performance potential without upgrades
Frequently Asked Questions
What is the difference between a 2-bolt and 4-bolt main block?
A 4-bolt main block uses four bolts per main bearing cap instead of two, providing greater bottom-end strength and resistance to bearing cap walk under high RPM and high horsepower. For street engines under 400 hp, a 2-bolt main is usually sufficient. For power levels above that or for frequent racing, a 4-bolt main is recommended.
Can I use a crate engine with my existing transmission?
Most small block Chevy crate engines are designed to bolt up to standard GM transmissions (Turbo 350, Turbo 400, etc.). However, you may need to check the flexplate bolt pattern and pilot bearing size. Some engines come with a flexplate for automatic transmissions, while others require a flywheel for manual. Always confirm compatibility before ordering.
What is the break-in procedure for a new crate engine?
Break-in typically involves running the engine at varying RPMs (2000-3000) for the first 20-30 minutes, avoiding sustained idle or high RPM. Use a high-zinc break-in oil (or add zinc additive) for flat tappet cams. After break-in, change the oil and filter. For roller cam engines, break-in is less critical but still recommended.
Do I need to upgrade my cooling system for a crate engine?
If your crate engine produces significantly more power than the original, you may need a larger radiator, high-flow water pump, and electric fans. Many crate engines are designed to work with stock cooling systems, but if you plan to drive in hot climates or push the engine hard, upgrades are advisable.
Are crate engines emissions legal?
Most crate engines are not certified for emissions in all states. Some Chevrolet Performance engines are CARB compliant (EO number) for certain applications. Check your local laws before purchasing. BluePrint Engines offers some models with emissions equipment. For street use in smog-check states, verify legality.
Our Verdict
After researching and comparing the top small block Chevy crate motors, our top pick is the Chevrolet Performance 350 HO 290HP for its blend of reliability, warranty, and all-around performance. The runner up is the BluePrint Engines BP3501CT for its outstanding value and strong torque. Both are excellent choices depending on your budget and power goals.
