Honda Civic Type R Integra K20A Forged Piston Kit 86mm 2006-2011

Honda K20A/K20Z Forged Piston Kit — 86.00mm | 12.5:1 High Compression, Naturally Aspirated

More compression. More response. More redline.

Built for the naturally aspirated purist, this forged piston kit is engineered specifically for K20A/K20Z platforms chasing maximum output without forced induction. A 12.5:1 compression ratio unlocks the throttle response and top-end power NA builds are known for, while forged 4032 aluminum construction ensures the strength to handle sustained high-RPM operation reliably.

Whether you're building a track-focused Type R or refreshing a high-mileage K20 with a serious upgrade, this kit is designed to extract everything the engine has to give.

Why Choose This Kit

• 12.5:1 Compression Ratio — Purpose-built for NA performance, maximizing power and throttle response without boost
• Forged 4032 Aluminum — Handles sustained high-RPM stress with greater strength than stock cast pistons
• High-Revving Reliability — Engineered for engines that live near redline, not just pass through it
• Direct Fit — Matched to K20A/K20Z bore and pin specs for a precise, reliable build

Fitment

• Honda Civic Type R (FD2/FN2)
• Honda Integra Type R (DC5)
• Honda Civic Sport

Confirm your engine code (K20A vs. K20Z) and fuel octane requirements before running this compression ratio.

Specifications

Installation Notice

⚠️ This is a performance engine component. Professional installation is strongly recommended. High compression builds require careful attention to tuning, fuel quality, and ignition timing — installation and tuning by an experienced engine builder is essential.