FORD 1S7G-6090-BJ Transit Connect Cylinder Head 2.0L 1S7G-6090-BV

( Manufacturer Part Number: 1S7G-6090-BJ ), ( Items Included: Camshaft ), ( Material: Aluminum ), ( Vintage Part: No ), ( California Prop 65 Warning: Warning, Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov ), ( Type: Cylinder Head ), ( Ipn: 1s7g-bt ), ( Oe/oem Part Number: 1s7g-6090-bv ), ( Finish: Unfinished ), ( Item Weight: 35 Lbs )

Review FORD Transit Connect 2.0l Cylinder Head fits FOCUS 2005–2013

The **Ford 1S7G-6090-BJ (2005 2013 Focus/Transit Connect 2.0L Cylinder Head)** is a precision-engineered, high-performance component designed to deliver reliable power and durability for Ford s iconic 2.0L Duratec I4 engine family. This cast iron cylinder head, identified by its part number **1S7G-6090-BJ** (with the variant **1S7G-6090-BV** representing a slightly revised or updated version), is meticulously crafted to ensure optimal combustion efficiency, thermal management, and structural integrity. The head features a **four-valve-per-cylinder design**, incorporating **intake and exhaust valves** arranged in a compact, high-flow configuration to maximize airflow and enhance engine performance. The **valve seats, guides, and springs** are engineered to withstand the stresses of high-RPM operation while maintaining precise valve sealing, reducing the risk of carbon buildup or premature wear. The **combustion chambers** are shaped to promote efficient fuel-air mixture distribution, contributing to smoother operation and improved throttle response, whether under light city driving conditions or sustained highway cruising.

This cylinder head is built to interface seamlessly with the **2.0L Duratec engine**, which powers the **Ford Focus (2005 2013)** and **Transit Connect (2005 2013)**, offering a balance of fuel efficiency and torque. The **cast iron construction** provides excellent heat dissipation, preventing overheating and thermal expansion that could compromise valve train alignment or gasket integrity. The head is equipped with **integrated spark plug bosses**, **camshaft lobes**, and **hydraulic lifters** (in the case of the **1S7G-6090-BV**, which may feature slight refinements in valve spring tension or camshaft profiles), all of which work in tandem to ensure smooth valve operation and minimal noise. The **exhaust ports** are designed to optimize exhaust scavenging, reducing backpressure and improving exhaust flow, while the **intake ports** are contoured to direct air efficiently into the combustion chambers for better combustion and reduced emissions.

For maintenance and longevity, this cylinder head is designed to accommodate **Ford s recommended valve adjustment procedures**, though many modern Duratec engines utilize **hydraulic lifters** that eliminate the need for manual valve clearance checks. The **head gasket interface** is precision-machined to ensure a secure seal with the engine block, preventing coolant or oil leaks that could lead to catastrophic engine failure. Whether installed in a **stock or modified application**, this cylinder head is a critical component that contributes to the engine s overall reliability, making it a must-have replacement for those restoring or upgrading their **2005 2013 Focus or Transit Connect**. Its robust construction and Ford s engineering standards ensure it meets or exceeds original equipment specifications, providing peace of mind for both performance enthusiasts and everyday drivers seeking dependable power.

### **Pros and Cons of buying a Ford 1S7G-6090-BJ (2005 2013 Focus Transit Connect 2.0L Cylinder Head)**

1. **Common and Widely Available** This cylinder head is one of the most common in the 2.0L Duratec engine family, meaning parts, labor, and expertise are readily accessible. Dealers, repair shops, and online marketplaces (e.g., eBay, RockAuto) frequently stock replacements or rebuilt units.

2. **Proven Reliability (When Maintained)** The 2.0L Duratec engine is known for durability when properly maintained. Many owners report long-term reliability if regular oil changes, valve adjustments, and cooling system checks are performed. The cylinder head itself is a cast aluminum design that, when intact, can last well beyond 200,000 miles with basic care.

- **Rebuilt heads** (e.g., from companies like **Crane Cams, JE Performance, or local machine shops**) that can restore performance and longevity.

- **Upgraded components** like high-flow intake manifolds, performance camshafts, or stronger valve springs for tuning.

- **DIY-friendly repairs** Many common issues (e.g., valve stem seals, rocker arms) can be replaced without specialized tools.

4. **Cost-Effective Replacement** A **new or rebuilt 1S7G-6090-BJ/BV cylinder head** typically costs between **$300 $600** (depending on condition and source). Labor for installation is usually **$500 $1,000**, but this can vary by shop. Compared to some other Ford engines (e.g., 4.6L Modular), this is relatively affordable.

5. **Compatibility with Modifications** The 2.0L Duratec is a popular platform for **turbocharging, supercharging, and nitrous oxide (N2O) setups**. The cylinder head can be modified to handle higher boost pressures with the right upgrades (e.g., **forged internals, stronger springs, or a custom ported head**).

6. **Ease of Disassembly/Reassembly** The head bolts are standard (though torque specs must be followed carefully to avoid warping). Many mechanics and DIYers are familiar with the process, reducing downtime.

7. **Potential for Long-Term Use** If the head is in good condition, it can last **100,000 miles** with proper maintenance. Some owners keep their original heads for decades with minimal issues.

---

- **Valve Stem Seals** Often leak oil, causing **blue smoke from the exhaust** and oil contamination in the intake. Replacing them is a **common and necessary repair** (typically **$200 $400** for parts and labor).

- **Rocker Arms** Some versions (especially early 2005 2007) have **plastic rocker arms** that wear out, leading to **valve train noise** or **valve float** at high RPM. Metal rocker arms (e.g., **JE or Crane**) are a **recommended upgrade**.

- **Camshaft Wear** The **lifters (hydraulic tappets)** can wear, causing **valve train noise** or **poor valve lash adjustment**. Replacing them is a **moderate-cost repair** ( $300 $600).

- **Head Gasket Failures** While not directly the head itself, **leaking head gaskets** (common in Duratecs) can warp the head if left unchecked. Always check for **coolant in oil** or **oil in coolant** as warning signs.

2. **Warping Risk** If the head is **over-torqued during installation** or **exposed to extreme heat** (e.g., seized pistons, coolant failure), it can warp. This requires **machining** (planing) to restore flatness, adding **$200 $500** to repair costs.

3. **Oil Consumption Issues** Some 2.0L Duratecs (especially with **plastic rocker arms**) burn oil due to **valve stem seal leaks** or **PCV system failures**. This is more of a **maintenance issue** than a head failure but adds to long-term costs.

- **Rebuilt heads** (best option for reliability).

- **Used heads** (risk of hidden damage like cracks or warping).

- **Aftermarket alternatives** (e.g., **Crane Cams rebuilt heads**, which are high-quality but pricier).

5. **Tuning Challenges** While the head can handle modifications, **stock internals (valves, springs, retainers)** are **not built for high-performance use**. Upgrading to **forged internals** or **stiffer springs** is often necessary for **turbo/supercharged builds**, adding to cost.

6. **Coolant Leaks** The **thermostat housing** and **water pump** (integrated in some models) can leak, leading to **overheating**. These are **separate components** but often require **head removal** for access, increasing labor costs.

7. **Resale Value & Parts Scarcity** As the **Focus Transit Connect ages**, parts (including cylinder heads) become **less available** over time. If you plan to sell the vehicle later, **maintaining the head** will be crucial for attracting buyers.

---

The **Ford 1S7G-6090-BJ/BV cylinder head (2005 2013 Focus Transit Connect 2.0L)** is a **solid, reliable component** when properly maintained. Its **widely available parts, aftermarket support, and cost-effectiveness** make it a **good choice for most owners**. However, **common wear items (valve seals, rocker arms, lifters)** require **regular attention**, and **poor maintenance can lead to costly failures**.

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

- **Cracks** (especially around bolt holes or the valve bridge area).

- **Signs of overheating** (discoloration, warped mating surface).

- **Worn internals** (check valve seats, guides, and rocker arms).

If you re **replacing a failed head**, a **rebuilt unit** (from a reputable shop) is the **best balance of cost and reliability**. For **high-performance applications**, consider **upgraded internals** to prevent premature failure.

- **For daily driving & basic reliability:** A **rebuilt 1S7G-6090-BJ/BV head** is the **best value**. Budget **$400 $700** for parts and **$500 $1,000** for labor. **Upgrade rocker arms and valve seals** if the originals are worn.

- **For performance builds (turbo/supercharged):** Invest in a **rebuilt head with forged internals** (e.g., **Crane Cams**) and **stiffer valve springs** to handle higher stress. Expect **$800 $1,500 ** for a full upgrade.

- **For DIYers:** If you re comfortable with **head removal and reassembly**, buying a **used head** (from a trusted source) and **rebuilding it yourself** can save money. **Always torque bolts correctly** to avoid warping.

- **Avoid:** Buying a **warped, cracked, or overheated head** without professional inspection. **Preventative maintenance (oil changes, coolant checks, valve adjustments)** is key to extending its life.

**Bottom Line:** This cylinder head is **one of the most practical choices** for the 2.0L Duratec, but **it demands regular upkeep** to avoid costly failures. If maintained properly, it will **last for decades** making it a **smart long-term investment**.

Details:

Primary Part Number: 1S7G-6090-BV. Used Part Condition This factory-original component is in good functional condition and was pulled from a running donor vehicle. Nominal height : 124.00mm. Casting Variants: 1S7G-6090-BJ, 1S7G-BT, 1S7G-BU.

Engine Codes: CJBA, CJBB. Casting Number: RF1S7G-6090-BV. Material: Cast Aluminum. It has been visually inspected for structural integrity, ensuring the aluminum casting is free of cracks, warping, or damage to combustion chambers.

Brand: Genuine Ford / Motor craft. This part is sold uncleaned and will show normal signs of engine use oil varnish, but it structurally sound ready for installation. Full Compatibility Manufacturer Specifications Part Name: Engine Cylinder Head Assembly. All threaded spark plug and mounting holes are intact.

part #: 1s7g6090 prices

• $83.00-$359.99

specifications cylinderheapar:

• for models: Focus
• for makes: Ford
• for years: 2005-2013
• mpn: 1s7g-6090-bj
• items included: Camshaft
• material: Aluminum
• vintage part: No
• california prop 65 warning: Warning, Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov
• type: Cylinder Head
• ipn: 1s7g-bt
• oe/oem part number: 1s7g-6090-bv
• finish: Unfinished
• item weight: 35 Lbs

offer cylinderheapar:

• best offers: True
• quantity: 1
• sold: 0
• availability: In Stock
• started: April 7, 2026
• options: Ship-to-home

shipping cylinderheapar:

• class: Economy
• transit: 3-9 Days
• carrier: FedEx
• cost: $34.04
• type: Calculated
• service: FedEx Ground Economy

payments cylinderheapar:

• other
• wallet: Apple-pay
• credit card: Visa

general cylinderheapar:

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

returns cylinderheapar:

• paid by: Buyer
• time: 14 Days
• policy: Returns Accepted

seller cylinderheapar:

• # reviews: 341
• city: Palo, Iowa
• rating: 98.5%

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