KIA 328251H400 Pedal Pad

( Manufacturer Part Number: 328251H400 ), ( Part Type: Pad Pedal )

Review KIA Oem Pedal Pad

The **Kia 328251H400** is a high-performance, precision-engineered pedal pad designed for automotive enthusiasts, professional mechanics, and performance drivers who demand durability, responsiveness, and ergonomic comfort during extended use. Crafted from a robust, reinforced composite material, this pedal assembly is built to withstand the rigors of daily driving, aggressive acceleration, and repeated high-load applications without warping, cracking, or losing its structural integrity. The pad features a **textured, non-slip surface** with strategically placed grip zones, ensuring consistent traction even under heavy braking or rapid throttle inputs, which is particularly beneficial for drivers who rely on precise pedal control for performance tuning, track days, or high-speed maneuvers. Its **modular design** allows for easy installation and replacement, making it a versatile upgrade for both stock and modified vehicles, including sports cars, muscle cars, and high-performance SUVs. The pedal pad is engineered to accommodate a wide range of brake and accelerator linkages, ensuring compatibility with most aftermarket and OEM setups, while its **adjustable height and angle** enhance driver ergonomics, reducing fatigue during long drives or intense sessions behind the wheel. Additionally, the **low-profile yet sturdy construction** minimizes interference with the firewall and surrounding components, providing a clean, streamlined fit that complements both stock and custom interiors. Whether used in a professional garage, a performance tuning bay, or a high-end vehicle, the **Kia 328251H400 pedal pad** delivers a perfect blend of strength, responsiveness, and adaptability, making it an essential component for those who prioritize performance, reliability, and driver comfort.

### Pros and Cons of Buying a Kia 328251H400 Engine for a Pedal Pad Conversion

The **Kia 328251H400** (also known as the **Hyundai Delta II 2.5L 16V**) is a popular engine choice for pedal pad conversions due to its reliability, availability, and performance characteristics. Below is a detailed breakdown of its advantages and disadvantages.

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### **Pros**

1. **Reliability and Durability**

The 328251H400 is a well-proven engine, originally designed for Kia and Hyundai vehicles (such as the Kia Spectra, Hyundai Elantra, and Kia Sportage). It is known for its robust construction, particularly in the block and crankshaft, which can handle high RPMs and torque when properly modified. Many units have been used in pedal pads for years with minimal failure, especially when sourced from high-mileage but well-maintained vehicles.

2. **Availability and Affordability**

This engine is widely available in the used market, often at reasonable prices compared to other popular pedal pad engines (e.g., GM LS-series or Ford 351W). You can frequently find them in complete vehicles (e.g., Kia Spectras or Hyundai Elantras) or as standalone engines, making sourcing easier. Prices typically range from **$300 to $800**, depending on condition and location.

3. **Modification Potential**

- **Forced induction (turbo/supercharger):** The engine has a strong bottom end and can handle boost when properly supported with a turbo kit (e.g., Garrett GT17/28, BorgWarner EFR) and upgraded internals (forged rods, crank, pistons).

- **Naturally aspirated tuning:** Aftermarket ECUs (e.g., Haltech, Link, or AEM) can significantly increase power (300 400 HP) with minimal risk if the engine is in good shape.

- **Head work:** Porting and polishing the stock heads (or upgrading to aftermarket heads) can improve airflow and power output.

- **Fuel system upgrades:** Larger injectors, high-flow fuel pumps, and upgraded fuel rails are common modifications to support higher power levels.

4. **Lightweight and Compact**

At around **250 270 lbs (113 122 kg)**, this engine is relatively light for its displacement, making it easier to install in a pedal pad build compared to heavier V8s. Its inline-4 layout also allows for a compact drivetrain layout, which can be advantageous in space-constrained builds.

5. **Proven Pedal Pad Use**

Many pedal pad builds (especially in the **pedal pad racing** and **drag racing** communities) have successfully used this engine. Forums like **Pedal Pad Racing** and **Hyundai/Kia forums** have threads documenting builds with this engine running reliably at **10,000 RPM** and producing **500 HP** with proper support.

6. **Ease of Disassembly and Maintenance**

The engine is relatively straightforward to work on, with common tools required for most repairs. Parts like timing belts, water pumps, and alternators are inexpensive and easy to replace. The **DOHC 16-valve design** is also simpler to maintain than some other high-performance engines.

7. **No Major Redesign Needed for Pedal Pad Use**

Unlike some engines (e.g., GM LS-series, which require significant modifications for pedal pad use), the 328251H400 can often be used **as-is** with minimal changes. The stock crankshaft, connecting rods, and block are strong enough for pedal pad applications if sourced from a high-mileage vehicle (indicating durability).

8. **Supporting Community and Aftermarket Parts**

A strong aftermarket exists for this engine, with suppliers like **Hyundai Performance Parts, Kia Performance Parts, and third-party manufacturers** offering upgrades. Custom manifolds, turbo kits, and tuning solutions are widely available.

9. **Good Power-to-Weight Ratio**

While not as powerful as a V8, the 328251H400 offers a **good balance of power and weight**, making it suitable for **quarter-mile drag racing** and **pedal pad racing** where acceleration and top speed are critical.

10. **Fuel Efficiency (Stock)**

Stock engines are relatively fuel-efficient (around **20 25 MPG** in a stock car), which can be an advantage if you plan to run the engine in a pedal pad for occasional use or testing.

---

### **Cons**

1. **Limited Stock Power Output**

The stock 328251H400 produces only **around 140 160 HP and 140 lb-ft of torque**, which is modest for a pedal pad build. To reach **300 HP**, significant modifications (turbocharging, forced induction, or aggressive tuning) are required, which can be costly and complex.

2. **Weak Stock Internals for High Power**

While the block and crank are strong, the **stock rods, pistons, and bearings** are not designed for high-performance use. Running significant power (e.g., **400 HP**) without upgrades can lead to **rod bearing failure, crankshaft damage, or piston failure**. Forced induction requires **forged rods, a billet crank, and reinforced main bearings** to prevent catastrophic failure.

3. **Timing Belt-Driven (No Chain)**

The engine uses a **timing belt**, which must be replaced every **60,000 100,000 miles** (or more frequently if used aggressively). Neglecting this can lead to **valve train damage**, which is expensive to repair. Some builders opt for a **timing chain conversion**, but this adds complexity and cost.

4. **Head Gasket Issues (Stock)**

The stock heads are prone to **head gasket failure**, especially under boost or aggressive tuning. Upgrading to **aftermarket head gaskets (e.g., Fel-Pro or ARP)** or even **custom head studs** is recommended for high-power builds.

5. **Limited Aftermarket Support for High-Power Builds**

While there are aftermarket parts available, some components (e.g., **custom manifolds, high-flow turbo kits, or advanced tuning solutions**) may require custom fabrication or sourcing from specialty suppliers. This can increase costs and complexity.

6. **No Stock Turbo Potential**

The engine is **naturally aspirated stock**, and adding a turbo requires **custom manifolds, intercoolers, and tuning**, which can be expensive. Unlike some engines (e.g., GM LS-series), the 328251H400 does not have a naturally aspirated high-performance variant.

7. **Potential for Weak Crankshaft and Rods in Cheap Units**

Some used engines may have **mild manufacturing defects or wear**, particularly in the crankshaft journals or rod bearings. It is crucial to **inspect the engine thoroughly** (or have it professionally inspected) before purchase to avoid hidden issues.

8. **No Stock Turbocharger Option**

Unlike some engines (e.g., GM LS-series, which can be turbocharged with stock components), the 328251H400 requires **aftermarket turbo kits** for forced induction, adding to the cost and complexity.

9. **Limited Long-Term Data on Aggressive Builds**

While many pedal pad builds use this engine successfully, there is **less long-term data** compared to more popular pedal pad engines (e.g., GM LS1, Ford 351W, or Toyota 2JZ). Some builders report **unexpected failures** in high-RPM or high-boost applications, though these are often avoidable with proper support.

10. **No Stock High-Performance Variant**

Unlike some engines (e.g., GM LS7 or Ford Coyote), the 328251H400 does not have a **high-performance stock variant** (e.g., a "hot cam" or "high-flow" version). Every build starts from a **stock or mildly modified base**, requiring more work to reach competitive power levels.

11. **Potential for Oil Leaks**

Some units may develop **oil leaks** from the **valve cover gasket, oil filter housing, or rear main seal**, especially as they age. These are relatively easy to fix but add to maintenance costs.

12. **No Stock Supercharger Option**

While turbocharging is possible, **supercharging this engine** requires significant modifications (e.g., custom manifolds, fuel system upgrades) and is less common than turbocharging.

---

### **Conclusion and Recommendation**

The **Kia 328251H400 engine** is an **excellent choice for a pedal pad build** if you prioritize **affordability, reliability, and modification potential**. It is well-suited for **budget-conscious builders** who want a **lightweight, durable engine** that can be pushed to **300 500 HP** with proper support. The engine s **strong block, availability, and aftermarket support** make it a favorite in the pedal pad racing community.

Details:

Condition: New Other.

part #: 328251h400 prices

• $16.31-$73.87

specifications pedalspadsaz:

• for makes: Kia
• mpn: 328251h400
• part type: Pad Pedal

payments pedalspadsaz:

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

returns pedalspadsaz:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

general pedalspadsaz:

• condition: New other see details
• Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts

offer pedalspadsaz:

• sold: 0
• options: Ship-to-home
• quantity: 3
• started: February 3, 2026
• availability: In Stock

seller pedalspadsaz:

• # reviews: 1199
• rating: 99.9%
• city: Pulaski, Wisconsin

shipping pedalspadsaz:

• carrier: USPS
• type: Fixed
• service: USPS Ground Advantage
• cost: $0.00
• class: Standard
• transit: 3-8 Days

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