Need a reliable small engine cylinder head to restore performance or replace a worn part? This guide highlights five compatible options across popular 4-stroke engines, from automotive SBC applications to lawn-and-garden GX engines. Each pick is best for specific projects and skill levels. Read on to compare compatibility, features, and practical buying tips that help you choose the right cylinder head for your engine repair or rebuild.
Summary of featured products
| Product | Engine / Fitment | Best For | Notes |
|---|---|---|---|
| DNA Motoring Aluminum Bare Cylinder Head | Chevy SBC 302/327/350/383/400 | Chevy small-block builds; performance-oriented repairs | Aluminum bare head suitable for custom setups |
| 1.4L Engine Cylinder Head With Camshaft Assembly | Chevy Buick 1.4L turbo 2011-2019 | OEM-level replacement with camshaft included | Multiple part numbers covered; turbo applications |
| Cylinder Head Assy Replacement 1.4L | Chevy Cruze Sonic Trax Buick Encore 1.4L 2011-2019 | OEM-style fix for common 1.4L models | Has multiple replacement numbers; broad compatibility |
| HZ Fully Assembled GX390 Head Kit | Honda GX340/GX390/GX420 engines | Most complete GX390/GX340 head assembly | Includes complete head assembly; Honda clone compatibility |
| Cylinder Head Kit for GX160/GX200 Predator | GX160/GX200 Predator 212cc non-Hemi | DIY rebuilds with included components | Assembled with valves, rockers, gaskets, spark plug |
DNA Motoring Aluminum Bare Cylinder Head for Chevy SBC
Features: Aluminum bare cylinder head designed for Chevy small-block engines such as the 302, 327, 350, 383, and 400. This option is best for users pursuing a custom build or performance upgrade where an aftermarket head is required.
Who it’s best for: Enthusiasts pursuing a custom engine build or a high-performance repair where an aluminum head can reduce weight and improve heat dissipation. It’s a better pick for dedicated builders rather than a simple factory replacement.
Why chosen: It broadens options for engine swaps or upgrades within classic Chevy small-block platforms, offering a lightweight alternative to cast-iron heads. Caution: Compatibility with valve train components and kit fittings must be confirmed for your specific build.
1.4 Engine Cylinder Head With Camshaft Assembly (1.4L Turbo)
Features: Includes a 1.4L cylinder head with camshaft; replaces part numbers 12703173, 55573669, 55565291, 55573010, 55573011, 55587168, 55597234. Fitment covers Buick Encore 1.4 Turbo models from 2013-2019.
Who it’s best for: Owners of 1.4L turbo Buick Encore, Buick Encore, Chevrolet Cruze, or Sonic seeking a ready-to-install head assembly with camshaft included.
Why chosen: Consolidates head and camshaft into one assembly for simplification of installation on compatible 1.4L engines. Caution: Verify exact part numbers against your vehicle’s VIN to ensure full compatibility.
Cylinder Head Assy Replacement for Chevy Cruze/Sonic Trax Buick Encore (1.4L)
Features: OE part numbers 55573669, 55565291, 55573010, 55573011, 25193622; intended as replacement for Buick Encore 4 Cyl 1.4L (2013-2019) and Cruze 4 Cyl 1.4L (2011-2016).
Who it’s best for: Owners needing a straightforward OEM-style cylinder head replacement for common 1.4L GM engines.
Why chosen: It aligns with popular factory configurations, making it a familiar and straightforward swap for compatible models. Caution: This head is designed for specific model years; confirm fitment with your VIN and engine code.
HZ Fully Assembled GX390 Cylinder Head Kit
Features: Fully assembled head kit compatible with Honda GX340, GX390, GX420 engines; aims to be the most complete GX390/GX340 head assembly for 11HP-13HP 389cc-420cc engines.
Who it’s best for: DIYers and small-service shops working on Honda and Honda-clone engines requiring a ready-to-install, complete head assembly.
Why chosen: The kit’s comprehensive approach reduces the number of separate parts needed, enabling quicker rebuilds. Caution: Verify the exact engine model and displacement to ensure full compatibility.
Cylinder Head Kit for GX160/GX200 Predator (Non-Hemi)
Features: Assembled cylinder head kit for GX160 and GX200 Predator engines; includes necessary components like valves, rockers, head gaskets, and spark plug hardware; designed for 5.5–6.5HP configurations.
Who it’s best for: Individuals performing a full head rebuild on small Predator or clone engines requiring a complete kit with all essential parts included.
Why chosen: The kit provides a practical, all-in-one solution for a common Honda/clone engine family. Caution: This is for non-Hemi variants; confirm engine family before purchase.
Buying Guide: Key Purchase Considerations
- Engine compatibility: Verify the exact engine model, displacement, and year. A head that fits Chevrolet small-blocks may not suit a Honda GX engine, and vice versa.
- Type of head: Aluminum heads can offer weight savings and heat dissipation, but may require careful valve-train setup; cast-iron heads are typically more durable but heavier.
- Included components: Some listings include camshafts, gaskets, or complete head assemblies. Decide whether you want a bare head or a full kit.
- OEM versus aftermarket: OEM-style cylinder heads align with factory specs, while aftermarket or performance heads allow tuning for higher output or different compression.
- Warranty and return policy: Check the seller’s terms to understand coverage if parts arrive with defects or do not fit your engine.
- Installation considerations: Assess whether you have the necessary tools and expertise to install a head, including timing checks and valve lash adjustments.
- Certification and claims: Avoid vague claims. Look for product compatibility notes and part numbers that match your engine’s VIN or service manual.
Common questions buyers ask
- What is the difference between a bare head and a fully assembled head kit? A bare head requires valve train components to be added, while a complete kit includes valves, gaskets, and other essentials for installation.
- Can I reuse my existing valve train with a new head? It depends on compatibility; inspect valve springs, retainers, and rocker arms for wear and compatibility.
- Is aluminum better than cast iron for a cylinder head? Aluminum is lighter and dissipates heat faster, but may require different head studs and gaskets; cast iron is more durable in some high-heat scenarios.
- How do I verify compatibility with my VIN? Compare the OE part numbers listed by the vendor to those in your vehicle’s service documentation or VIN-specific charts.
- Do I need professional installation? If you are not experienced with engine timing, head resurfacing, or torque specs, professional service is advised.
- What are common limitations to watch for? Some heads are designed for specific markets or model years; mismatched parts can cause fitment and performance issues.