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Vehicle Info NeededCYLINDER HEAD X2 STREET
Ships on 10/19/2026
Lowest Price Guarantee- Street Cruiser Cylinder Head
- 302/351 X2 Head
- For Use w/289/302/351 Windsor-Style Engines
- 64cc Volume
- 188cc Intake/63cc Exhaust Port Volume
- Feature 10-Deg. Locks/Steel V. Spring Retainers/Stock Valve Seals
- High Temperature Exhaust Valve Seats
- Bronze Guides
- Made in the USA
NEW AND IMPROVED "X2" CYLINDER HEAD IS MANUFACTURED FROM ALL-NEW TOOLING, MACHINED, AND ASSEMBLED WITH PREMIUM HARDWARE. THIS PROVIDES A FAST, EASY WAY TO BOLT ON SIGNIFICANT HORSEPOWER TO YOUR STREET CRUISER PACKAGE! High quality original equipment style 356-T6 aluminum castings, precision machined, and assembled with premium components. Includes Ford Performance M-6507-J302 intake valves, M-6505-G302 exhaust valves, and PAC(R) 1219X Ovate Beehive valve springs. Features wider valve cover gasket sealing rail to prevent leaks. Machined for gasket seat spark plug. Compatible with all Ford Performance roller camshafts and aftermarket hydraulic roller camshafts up to .600" lift. Work with many aftermarket intake manifolds, headers, and valve train components. Compatible with bolt down rockers 1.6-1.7 ratio, always check rocker arm clearance to valve springs with production rocker arms. Depending on lifter preload, Ford Performance Rocker Shim Kits M-6529-A302 or M-6529-B302 may be required. Each aluminum head weighs approximately 25 lbs. lighter than each production cast iron head. Each head is leak tested prior to assembly .
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Ford Racing Cylinder Heads
Upgrade airflow and unlock real horsepower with Ford Performance 289/302/351W Aluminum Cylinder Heads, available at JEGS. Designed for enthusiasts building or upgrading small block Ford engines, these high-performance cylinder heads deliver improved combustion efficiency, increased power, and modern reliability. Engineered by Ford Performance, the Ford Performance 289/302/351W Aluminum Cylinder Heads are built to meet the demands of street and strip applications while maintaining OEM-level quality and fitment. Whether you’re restoring a classic Mustang or building a high-output Windsor-based engine, these heads provide a proven performance upgrade.
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Performance Benefits & Key Features
Ford Performance aluminum cylinder heads are designed to significantly improve airflow, which directly impacts horsepower and torque output. Featuring optimized intake and exhaust port designs, these heads enhance air/fuel mixture delivery and exhaust scavenging for more efficient combustion. The result is stronger acceleration, improved throttle response, and increased overall engine efficiency.
Constructed from lightweight aluminum, these cylinder heads offer superior heat dissipation compared to traditional iron heads, helping reduce engine temperatures and improve durability under load. Key specifications often include larger valve sizes, precision-machined combustion chambers, and upgraded valve springs designed to support performance camshafts and higher RPM operation. These heads are capable of supporting builds in the 350–500+ horsepower range depending on configuration.
For performance enthusiasts, these upgrades translate into a noticeable improvement in engine responsiveness and power delivery. Whether naturally aspirated or paired with mild forced induction, these cylinder heads provide the airflow and strength needed for consistent, reliable performance.
Fitment, Compatibility & Applications
The Ford Performance 289/302/351W Aluminum Cylinder Heads are designed for compatibility with small block Ford Windsor engines, including 289, 302, and 351W platforms. This makes them an ideal choice for a wide range of Ford vehicles, from classic muscle cars to modern performance builds.
Perfect for street performance, drag racing, and restoration projects, these cylinder heads are commonly used in Mustangs, Falcons, Broncos, and classic Ford trucks. Their OEM-based design ensures proper fitment with factory-style components, while also allowing seamless integration with aftermarket intake manifolds, camshafts, and valvetrain upgrades.
These heads are especially popular among enthusiasts performing engine rebuilds or upgrades, as they offer improved performance without requiring extensive modifications. Whether you're building a daily driver with added power or a weekend street/strip machine, they provide the flexibility and compatibility needed to meet your goals.
Backed by Ford Performance’s reputation for engineering excellence and durability, these aluminum cylinder heads deliver reliable, high-performance results. Explore the available options at JEGS to find the right setup and take your small block Ford engine to the next level.
