If you are upgrading a classic 350 small block Chevy or planning a modern rebuild, a 350 crate motor offers proven performance and reliable factory support. This guide highlights five top fits from reputable brands, detailing horsepower, torque, and key components. Whether you seek a high-horsepower street engine or a maintenance-friendly rebuild kit, these selections cover popular use cases for street, strip, and weekend builds.
Overview of featured products:
| Product | Brand | Core Focus |
|---|---|---|
| GM Small Block 400 c.i. Engine – 500 HP Long Block | BluePrint Engines | High performance with forged components |
| Small Block Chevy All Inclusive Serpentine Kit | CVF Racing | Complete installation package |
| All Inclusive Serpentine System for Chevy SBC | CVF Racing | Maintenance-free finish |
| Speedmaster PCE347.1006 Engine Kit | Speedmaster | Gasket set and rebuild essentials |
| Stage 3 HP Master Engine Rebuild Kit | REDLINE ENGINE SUPPLY | Stage-3 performance rebuild |
BluePrint Engines 400 c.i. 500 HP Long Block
The BluePrint Engines 400 c.i. long block delivers a robust 500 HP and 500 ft-lbs of torque with aluminum cylinder heads for efficient thermal management. It uses a forged crankshaft and forged components, including a hydraulic roller cam with a balanced lift profile of .555 intake and .576 exhaust. The compression ratio sits at 10.3:1, offering a strong blend of power and drivability suitable for hot street builds or weekend warriors.
Key features include aluminum cylinder heads for weight savings and improved flow, plus a forged crank with a 3.750″ stroke and 5.700″ rods for longevity under high-load conditions. This engine balances modern performance with classic SBC appeal, making it a strong candidate for users seeking a drop-in ready upgrade with high horsepower potential.
CVF Racing All Inclusive Serpentine Kit for Chevy SBC
This all-inclusive serpentine kit covers essential components for a clean, reliable installation. It includes a belt, pulleys, bracket, tensioner, A/C compressor, alternator, and power steering pump with a remote reservoir. Designed for GM-style Type 2 power steering pumps, it is backed by CVF Racing’s lifetime warranty and premier technical support, making it a popular choice for streamlined assembly and long-term reliability.
Features emphasize a complete, ready-to-install package with OEM-style fitment and simplified maintenance. The kit helps reduce belt slip and optimize accessory drive performance, which is critical for a high-output SBC build where reliability matters as much as peak power.
CVF Racing All Inclusive Serpentine System With Cerakote Finish
This serpentine system features a maintenance-free ceramic Cerakote finish, designed to resist heat-related damage that can affect other finishes. The 8-rib serpentine pulleys provide increased grip and improved accessory drive. The kit includes all necessary components for a quick installation, including belts and accessories, enabling a clean, durable appearance and reliable operation under varying temperature and load conditions.
Speedmaster PCE347.1006 Engine Kit For SBC 350
The Speedmaster PCE347.1006 kit combines a comprehensive gasket set with a gasketed rebuild approach, pairing unique DNA-inspired design with track-proven reliability. The kit emphasizes a balanced blend of modern engineering and proven performance, suitable for enthusiasts seeking a dependable teardown-to-rebuild option that maintains driving practicality and performance across road and race scenarios.
Included components support a full rebuild, including gaskets, pistons, rings, bearings, timing set, oil pump, and a performance-oriented camshaft variant. The kit’s design echoes Speedmaster’s emphasis on durability for track-ready SBC builds, while still remaining compatible with street applications.
REDLINE ENGINE SUPPLY Stage 3 HP Master Kit For 67-85 SBC
This Stage 3 HP Master rebuild kit provides a thorough refresh for 1967–1985 Chevrolet SBC 350 engines. It includes a full gasket set, 10:1 flat-top pistons, piston rings, main/rod/cam bearings, a three-piece timing set, high-volume oil pump, Stage-3 HP camshaft with notable lift and duration, lifters, freeze plugs, valve stem seals, and multiple size options for pistons and bearings. The kit comes from manufacturers with ISO, QS, and TS quality systems, emphasizing reliability and performance in a modern rebuild context.
Part of the kit’s value lies in the emphasis on high-quality components rather than cheap substitutes. This makes it suitable for builders aiming for a robust, performance-oriented SBC rebuild that can be tailored to standard or optimized clearance specifications.
Enginetech MKC350QP Master GM 5.7L 350 Truck With Roller Cam
The Enginetech MKC350QP kit provides a complete rebuild package for GM 5.7L (350) trucks, featuring a roller cam for improved longevity and performance. It includes a full gasket set, pistons, piston rings, main and rod bearings, cam bearings, camshaft (with exceptions for non-domestic vehicles), lifters, timing components, oil pump, and freeze plugs. The kit emphasizes a balanced approach to power and reliability, suited for performance-oriented truck applications where durability is essential.
Buying Guide: Key Considerations For Choosing A 350 Crate Motor
- Horsepower and torque goals: Match the engine’s output to your vehicle weight, gearing, and intended use, whether street cruising or track days.
- Engine architecture and components: Consider aluminum heads, forged internals, cam profile, and compression ratio to achieve the desired power band and reliability.
- Installability: Serpentine kits and accessory drives influence ease of installation; a complete kit can reduce integration time and avoid missing parts.
- Maintenance and finish: A maintenance-free or corrosion-resistant finish can extend life in hot climates or dusty environments.
- Support and warranty: Brands with strong technical support and warranties provide peace of mind for long-term ownership.
- Compatibility: Ensure the crate motor fits your transmission, radiator, and aftermarket parts in your build plan.
- Budget and longevity: Balance initial cost with the long-term durability of forged components and quality gaskets to avoid repeated rebuilds.
In summary, the options presented cover a spectrum from turnkey powerhouses to comprehensive rebuild kits. Each choice emphasizes reliability and performance for Chevy small block builds, with varied emphasis on all-in-one installation packages, Serpentine systems, and high-flow head configurations. When planning your build, align your choice with your driving style, maintenance expectations, and project scope to achieve the best long-term results.