FORD 464648 Right Engine Cylinder Head 8-280 4.6L Gra

( Manufacturer Part Number: 464648 ), ( Color: Blue ), ( Genuine Oem: No ), ( Type: Engine Cylinder Head ), ( Manufacturer Warranty: 90 Day ), ( Compatibility: Cougar 95 8-280, R. ), ( Thunderbird 95 8-280: 4.6l, R. ), ( Interchange Item Code: 306 )

Review FORD Used Right Engine Cylinder Head 4.6l Gra fits THUNDERBIRD 1995

The **Ford 464648 Right Engine Cylinder Head (1995 Thunderbird 4.6L Modular V8, 8-280)** is a precision-engineered component designed specifically for the high-performance and reliability demands of Ford s iconic **Modular V8 4.6L (280 HP) engine**, as found in the 1995 Thunderbird. This cylinder head is a critical part of the combustion system, responsible for housing the valves, spark plugs, and intake/exhaust ports while ensuring optimal airflow, cooling, and combustion efficiency. Crafted from high-grade **cast iron**, it is built to withstand the intense heat and pressure generated during high-performance operation, offering durability and thermal stability under demanding conditions. The head features a **four-valve-per-cylinder design**, allowing for improved airflow and better scavenging of exhaust gases, which contributes to enhanced power delivery and smoother operation. The **intake and exhaust ports** are meticulously machined to maximize efficiency, ensuring that air-fuel mixtures enter the combustion chamber optimally while exhaust gases exit with minimal restriction. The **valve guide and seat surfaces** are precision-ground to maintain proper sealing and prevent premature wear, while the **spark plug boss** is designed to accommodate standard **NGK or Champion** spark plugs, ensuring reliable ignition. This cylinder head also includes **integrated cooling passages** to dissipate heat effectively, reducing the risk of overheating and thermal stress. For the 1995 Thunderbird, this component is part of the **8-280** engine variant, which was engineered to deliver a balanced blend of power and drivability, making it ideal for both daily driving and spirited performance. Whether restoring a classic Thunderbird or upgrading an existing engine, this cylinder head ensures compatibility with the **EFI (Electronic Fuel Injection) system**, **camshaft timing**, and **valvetrain components** specific to this generation, providing a seamless fit with the **4.6L Modular V8 s** internal architecture. Built to meet Ford s stringent quality standards, this part is essential for maintaining peak engine performance, reliability, and longevity in one of America s most legendary muscle cars.

### **Pros and Cons of Buying a Ford 464648 Right Engine Cylinder Head (1995 Thunderbird 4.6L Modular V8)**

1. **Compatibility and Availability** The 4.6L Modular V8 (used in the 1995 Thunderbird) is a well-documented engine, and cylinder heads (part number **464648**) are relatively easy to source, especially from Ford dealers, junkyards, or online marketplaces. The modular design means many parts are interchangeable with other 4.6L engines (e.g., F-150, Crown Victoria, Mustang).

2. **Proven Reliability (When Maintained)** The 4.6L engine is known for durability when properly maintained. With regular valve adjustments, oil changes, and head gasket replacements (if needed), these engines can last well over 200,000 miles. The **right cylinder head** (part of the dual-overhead cam setup) is a critical component for performance and longevity.

3. **Performance Potential** The 4.6L Modular V8 is a strong platform for modifications. Upgrading the cylinder head (e.g., with aftermarket headers, larger valves, or porting) can improve airflow and horsepower. The **right head** (which houses the exhaust valves) plays a key role in exhaust scavenging, making it a valuable part for tuning.

4. **Cost-Effective Replacement** Compared to rebuilding an existing head or buying a complete engine, purchasing a **new or used cylinder head** (especially from a reputable source) can be more affordable. A genuine Ford head (OEM) will ensure proper fitment and compatibility.

5. **Ease of Installation** The modular design simplifies head removal and installation compared to older Ford engines. The **right head** bolts onto the cylinder block with standard tools, and Ford provides clear service manuals for guidance.

6. **Aftermarket Support** There is a strong aftermarket presence for the 4.6L engine, including remanufactured heads, gaskets, and performance upgrades. Companies like **Ford Performance Parts, JE, or Edelbrock** offer compatible upgrades.

7. **Long-Term Investment** If the engine is in good condition, replacing just the **right cylinder head** (rather than the entire engine) can extend the life of the Thunderbird without a full rebuild. This is particularly useful if the original head has issues like warping, cracked valves, or worn valve seats.

---

1. **Potential for Hidden Issues** Used cylinder heads may have **warped decks, cracked valves, or worn valve guides**, which can lead to poor sealing, leaks, or premature failure. Always inspect for:

- **Warping** (check with a straightedge and feeler gauge).

- **Cracks** (especially around the valve springs or rocker cover area).

- **Worn valve seats or guides** (can cause excessive oil consumption or valve float).

- **Leaking valve seals** (common in high-mileage engines).

2. **Head Gasket Failure Risk** The **right cylinder head** works in tandem with the **left head** and block. If the head gasket was previously blown (a common issue in the 4.6L), the block or head may have been damaged. Always check for:

- **Oil or coolant leaks** between the head and block.

- **Compression or leak-down tests** to ensure the head seals properly.

- **Block cracks** (common in high-mileage engines due to thermal stress).

- **Exhaust leaks** (if valve seals fail).

- **Reduced engine performance** (if valves are stuck or leaking).

- **Increased oil consumption** (if valve guides are worn).

A thorough inspection of the **valve springs, retainers, and rocker arms** is essential.

4. **Cost of Rebuilding vs. Replacement** If the head is severely worn, **rebuilding it** (porting, valve job, deck machining) may be more cost-effective than buying a new one. Rebuilding can cost **$500 $1,200**, while a **used OEM head** may run **$300 $800**, depending on condition.

5. **Timing Chain & Water Pump Concerns** The 4.6L uses a **timing chain** (not a belt), which can stretch or break over time. If the head is being replaced, it s wise to also inspect the **timing chain, water pump, and tensioners** for wear. A failed water pump can lead to **head gasket failure** if coolant leaks into the combustion chamber.

- **Deck height** (must align with the block).

- **Valve spring heights** (affects rocker arm clearance).

- **Camshaft lobes** (must match the original or upgraded cam).

Always verify compatibility before installation.

- **Removing the intake manifold, exhaust manifolds, and rocker covers.**

- **Disconnecting fuel lines, electrical connectors, and vacuum hoses.**

- **Careful handling of the head to avoid cracking or warping.**

If not experienced, this job can be time-consuming and frustrating.

8. **Environmental & Safety Risks** Older engines may contain **asbestos in gaskets** (though rare in newer Ford parts) or **lead-based coatings** on threads. Proper disposal of old gaskets and fluids is necessary.

---

### **Conclusion & Recommendation**

- You have **confirmed issues** (e.g., warped head, cracked valves, leaking gasket).

- The **engine is otherwise healthy** (no block cracks, intact timing chain, good compression).

- You **plan to rebuild or upgrade** the engine (e.g., adding headers, porting, or performance cams).

- You **cannot find a matching used head** from a trusted source (e.g., a known good junkyard engine).

- The head is **structurally sound** but has **worn valve seats, guides, or springs**.

- You want to **customize airflow** (porting, polishing, or adding larger valves).

- The **cost of a new head is prohibitive** compared to a rebuild.

- It has **visible cracks, deep warping, or burnt valve seats**.

- The **seller cannot provide maintenance records** (no way to verify valve adjustments or head gasket changes).

- The **block has cracks or coolant leaks** (a head replacement won t fix underlying issues).

- You re **not experienced with engine work** and lack the tools for proper installation.

1. **Source from a Reputable Supplier**

- **Ford Dealership** (OEM part, but expensive).

- **Junkyard with a known-good engine** (inspect before purchase).

- **Remanufacturer** (e.g., **Ford Performance Parts, Summit Racing, or local machine shops**).

- Avoid **eBay or Craigslist without inspection** unless you re certain of the head s condition.

2. **Inspect Thoroughly Before Buying**

- Check for **warping** (place a straightedge across the deck and use a feeler gauge).

- Look for **cracks** (especially around valve springs and rocker cover bolts).

- Test **valve operation** (ensure valves open and close smoothly).

- Verify **deck height matches the block** (measure with a micrometer).

3. **Prepare the Engine Properly**

- **Clean the mating surfaces** of the block and head before installation.

- **Replace the head gasket** (use **Ford s OEM gasket or a high-quality aftermarket one** like **Fel-Pro or Fel-Pro Performance**).

- **Check valve lash** (adjust if necessary for the new camshaft).

- **Inspect the timing chain and water pump** (replace if worn).

4. **Consider Professional Help if Needed**

- If you re **not confident in head removal/installation**, a **mechanic or engine machine shop** can perform the work for **$300 $800** (labor).

- Some shops offer **head porting or valve jobs** as part of the service.

5. **Future Maintenance Plan**

- **Regular valve adjustments** (every 60,000 100,000 miles for modular engines).

- **Oil changes with proper filtration** (prevents sludge buildup in the valvetrain).

- **Monitor for oil consumption** (exhaust valves can wear over time).

- **Consider a performance camshaft** if modifying for better airflow.

---

**If you need a replacement right cylinder head for

Details:

Parts go back into cars rather than landfill. This part fits vehicles made in the following years 1995. Unless specified as Universal this is a direct fit Engine Cylinder Head. Original parts mean a perfect fit.

All parts are covered by warranty. 8-280 4.6L R. Every part is cleaned, tested and inspected by experts.

part #: 464648 prices

• $237.50-$284.99

specifications cylinderheapar:

• for models: Thunderbird
• for makes: Ford
• for years: 1995
• mpn: 464648
• color: Blue
• genuine oem: No
• type: Engine Cylinder Head
• manufacturer warranty: 90 Day
• compatibility: Cougar 95 8-280, R.
• thunderbird 95 8-280: 4.6l, R.
• interchange item code: 306

seller cylinderheapar:

• # reviews: 4045
• rating: 99.4%
• city: Harrison, Michigan

payments cylinderheapar:

• credit card: Discover
• wallet: Google-pay
• other

offer cylinderheapar:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True
• started: June 11, 2026

shipping cylinderheapar:

• transit: 2-6 Days
• cost: $0.00
• carrier: UPS
• service: UPS Ground
• type: Fixed
• class: Standard

returns cylinderheapar:

• policy: Returns Accepted
• time: 60 Days
• paid by: Seller

general cylinderheapar:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads

Ford 464648 Is Similar To:

• 01a 10990 Ford Motor Company Car And Truck Nos Lh Head Mounted (31% similar) This sender is an nos ford assembly line original and has never been installed. This sender or excessive heat indicator bulb was mounted in the LHS cylinder head on all 1942 thru 1948 ford passenger cars and 1947 commercial vehicles trucks. This is an nos temperature sender complete with wire ...(May 7th, 2018)
• 053030-2 Ford Sbf 180cc Windsor Complete Cylinder Head Jr World Intake (39.7% similar) Headquarters. Headquarters. Same day shipping is dependent on the time of day the order is placed...(April 8th, 2015)
• Ford 302 071428 Heads Cylinder 1969 (40% similar) C9TE no visible cracks or warping. Condition unknown ford cylinder heads...(April 4th, 2015)
• 1070.300 Offenhauser Hp Ford Flathead Offy Cylinder Heads (33.6% similar) This is a rare opportunity to get set of unused heads. Iffy Hans't made these in a long time. Iffy new old stock 60 hp heads with water pipes. A little dusty with some minor handling nicks scratches but otherwise cherry. No box, gaskets...(January 12th, 2019)
• 1100-1300-1600 Ford Head For Early Kent (23.5% similar) The head worked very well when removed from my race car in fall of 2015 for 'freshening. The front of head area thermostat housing has only one drilled and tapped hole see images. The valves have just been freshly re-lapped, so head is ready to use. I am not aware of which cars this would ...(February 11th, 2017)
• 1115 Edelbrock Vtg Ford Flathead Hot Rod Kustom Cylinder Heads Scta (36.7% similar) A vintage pair of outbreak ford Flathead fined heads in good used condition. Abrasions, dings, patina, etc...(November 9th, 2018)
• 116e-6050-f English Ford Cortina Gt Cylinder Head (34.1% similar) No visible cracks between water ports. In good condition. Ford Corina '65 complete cylinder head. Needs refurbishment...(July 23rd, 2018)
• 1176bs Victor Nos Nors Ford Edsel Mercury Car Truck Cylinder Head (31.7% similar) If you are out of the country please understand this while buying on item. This can take anywhere from 1 week to months. Please also listings for thousands more nos parts available immediate purchase. When you homepage just enter the year, make and or model of your vehicle in search bar. You are ...(April 7th, 2018)
• Kit 1949-1953 Arp 154-4102 Edelbrock Ford Head Stud Heads Flathead (20.5% similar) New APR head stud kit, ford Flathead w outbreak heads speedway part condition new part brand APR manufacturer part sold as kit item details info these APR head stud kits are designed specially for Flathead ford engines with outbreak aluminum cylinder heads. Same day shipping is dependent on the time...(April 8th, 2015)
• 154-4103 Arp Fasteners Head Stud Kit Ford Flathead For 672036043056 (29.9% similar) None of those studs were straight and the heads could not be installed if screwed into block. For use with offense cylinder heads specs material type steel sold in quantity box notes includes: 48 studs, washers, and acorn nuts. Trust the strength and quality of APR studs for your Flathead engine. ...(May 10th, 2018)
• 170-200-250 Ford 6 Cylinder Ci Factory Nos Steel Shim Head Gasket Code-6051-c (34.4% similar) ...(June 15th, 2016)