IRP forged pistons, OPEL OPC (2.0L Z20LET)

Italian RP (IRP) Forged Piston Kit

Forged pistons made from the highest quality alloys with extremely precise tolerances.
Designed to withstand heavy loads such as Stage 3 and Stage 4 builds and demanding motorsport use.
Available in multiple bore sizes and compression ratios.
Our selection also includes IRP piston + rod packages or rods separately according to your needs.

We also offer fully custom-dimension IRP pistons and rods – contact us for more details.

What’s included

• Forged piston set including pins, locks, and piston rings
• High-strength piston pins
• Reinforced pin locks
• High-quality piston rings for demanding use
• Piston materials and coatings according to selected package level

Kit levels

Choose the specification that fits your build:

• Silver – Most popular choice, excellent performance for tuned street and track cars
• Gold – Higher-grade materials and tighter tolerances for higher power goals
• Platinum – Top-tier package for extreme power, durability, and full racing use

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Specifications

Compatible models	OPEL OPC (2.0LTR. 16V T)
Engine type	Z20LET/LEH/Y20LET Z20LER 2000cc
Stroke length	86.00 mm
Pin diameter	21.000 mm
Designed for rod length	143.000 mm

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IRP Forged Pistons

• High-strength forged alloy, resistant to detonation and heat
• Optimized crown and skirt geometry for controlled expansion and reduced friction
• Multiple compression ratios and oversizes for different turbo and fuel applications
• High-quality piston rings and heavy-duty pins included

Fitment & ordering

Parts are model- and engine-specific. Select bore size and compression ratio from the product menu.
If you are unsure about fitment, contact us via WhatsApp, email, or the contact form – our experts will be happy to assist you!

Additional information & links

• IRP main catalog (PDF)
• Installation instructions, pistons

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