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Wossner | Forged Pistons and PEC Rod Set | Focus RS MK2 and ST225

SKU: WOSSNERRPCOMBOST225

Product Description: Ford Focus ST 2.5 20v Turbo 5cyl Forged Piston Kit & H-Beam Connecting Rods

 

Overview


Elevate the performance and durability of your Ford Focus ST 2.5L 20v Turbo 5-cylinder engine with this precision-engineered Forged Piston Kit (Part #K9276) and complementary H-Beam Connecting Rods (Part #G0048). Designed for the 2005–2012 Focus ST models (engine codes HYDA/HUWA), this high-performance kit is ideal for enthusiasts seeking reliability under high boost, engine rebuilds, or competitive tuning applications.

 

Forged Piston Kit Highlights

  • Engineered for Strength: Forged aluminum pistons withstand extreme temperatures and pressures, offering superior durability over cast pistons.

 

Bore Size Options:

  • K9276D050: 83.5mm

  • K9276D100: 84mm

  • K9276DA: 83mm (82.93mm precision sizing)

  • OEM+ Specifications: Maintains OEM compression ratio (9.0:1), stroke (93.2mm), and rod length (145mm) for seamless integration.

  • Premium Components: Includes 3-ring sets (Part #830XTY), 21mm wrist pins (Part #WP092), and clips (Part #CW21) for optimal sealing and longevity.

  • Displacement: Matches factory 2522cc capacity, ensuring compliance with racing regulations or street use.

 

H-Beam Connecting Rod Features

 

  • Wossner Performance Design: Robust H-beam construction (Part #G0048) enhances rigidity and reduces flex under high RPM loads.

 

Precision Dimensions:

  • Big End: 53mm diameter, 25.65mm width

  • Small End: 21mm diameter, 22mm width

  • ARP Hardware: Includes 3/8" ARP 2000 Series bolts (Part #4AJ1.500-2SU) and assembly lubricant (Part #100-9908) for secure, friction-free installation.

  • Direct Fitment: Compatible with OEM crank and piston configurations (145mm center-to-center length).

 

Technical Benefits

 

  • Boost-Ready: Forged pistons and H-beam rods handle aggressive tuning, turbocharging, and high-output builds.

  • Zero-Compromise Engineering: Flat dome design (0cc volume) preserves combustion dynamics, while precision machining ensures balanced performance.

  • Durability: Ideal for track use, rallying, or daily drivers requiring upgraded internals.

 

Application

 

  • Vehicles: 2005–2012 Ford Focus ST 2.5L Turbo I5 (engine codes HYDA/HUWA).

  • Use Case: Engine rebuilds, forced induction upgrades, or motorsport preparation.

 

Included Components

  • Forged Pistons (5) with rings, pins, and clips

  • H-Beam Connecting Rods (5) with ARP bolts

  • ARP assembly lubricant

 

Why Choose This Kit?


Combining OEM reliability with race-proven components, this kit delivers unmatched resilience for your Focus ST’s 2.5L Turbo engine. Whether chasing horsepower gains or rebuilding a worn block, these forged pistons and rods ensure your build thrives under pressure.

 

83mm 9.0:1 Compresion 21mm Pin

 

Note: Professional installation and engine balancing recommended for optimal performance.

    £1,393.48Price
    Excluding VAT
    Quantity

    Returns Information: Thank you for choosing our products. We strive to provide excellent customer service, and we want to ensure your satisfaction with your purchase. Please review our return policy below: Timeframe: Our return policy lasts for 14 days from the date of delivery. If 14 days have passed since your purchase, we regret to inform you that we cannot offer a refund or exchange. Eligibility: To be eligible for a return, your item must meet the following criteria: It must be unused and in the same condition as when you received it. It should be in its original packaging, suitable for resale. The buyer is responsible for the return postage costs, and we recommend using a tracked and insured service. Restocking Fee and Outbound Postage: Please note that all returns are subject to a 10% restocking fee. Additionally, outbound postage fees will be deducted from the refunded amount. The handling fee covers the costs incurred in processing credit card payments, as well as postage and packaging costs. Exemptions: Certain types of goods are exempt from being returned. These items cannot be refunded once a special, non-stock item has been processed. Return Process: To initiate a return, please contact us as soon as possible. We will provide you with the necessary instructions to complete the return. Condition of Returned Items: Please ensure that any items being returned are not damaged and are in "as new" condition. Damaged or incomplete items may be subject to a partial refund. Refunds: Once we receive your returned item and complete the inspection, we will send you an email to notify you of its receipt. We will also inform you of the approval or rejection of your refund. If your refund is approved, we will process it, and the credit will be automatically applied to your credit card or original method of payment within a specific number of days. Sale and Group Buy Items: Please note that only regular-priced items are eligible for refunds. Unfortunately, sale and group buy items cannot be refunded. Damaged or Defective Goods: In the event that your goods arrive damaged or incomplete, please notify OC Motorsport within 24 hours of delivery. If we have mistakenly supplied incorrect parts, we will first attempt to provide you with the correct parts. If the correct products are unavailable, we will reimburse you the full purchase price within 14 days. However, please note that OC Motorsport is not responsible for any labour charges incurred during the fitment or removal of suspected incorrectly ordered or supplied parts. Warranties: Generally, warranties are provided by the product manufacturer and not by OC Motorsport. Therefore, we recommend reaching out to the product manufacturer as the primary point of contact. If you encounter any difficulties in contacting the manufacturer, please feel free to reach out to us, and we will do our best to assist you. Thank you for taking the time to familiarize yourself with our return policy. If you have any further questions or require assistance, please don't hesitate to contact us.

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