Action Clutch ACR-0665-OEHD Stage 1 Clutch Kit OE-HD Flywheel 2012-2015 Civic Si

Vehicle Fitment

• 2012-2015 Honda Civic Si (9th Gen, 2.4L I4 K24Z7, 6-Speed Manual, FWD)

Fitment Notes

• Includes OE-HD (Heavy Duty) flywheel - no separate flywheel purchase required
• Fits 6-speed manual transmission only; not compatible with automatic transmission variants
• Does not fit standard Civic (non-Si) models with 1.8L R18 engine

Features

• Steel-backed Copper Kevlar Organic friction disc for smooth, consistent engagement
• 70% increased holding capacity over OEM - ideal for stock to bolt-on modified builds
• Includes OE-HD flywheel for factory-weight feel, superior heat dissipation, and chatter-free operation
• Single diaphragm heavy-duty pressure plate maintains reliable clamping force and OEM-like pedal weight
• Patented fully enclosed spring retainers prevent spring ejection and protect transmission internals
• Computer spin balanced to within 0.25 oz-in for smooth operation across the full RPM range
• Each kit individually inspected and signed off by Action Clutch engineers before shipment

Specifications

• Stage: 1 (1OS - Organic Sprung)
• Holding Capacity: 70% above OEM
• Friction Material: Steel-Backed Copper Kevlar Organic
• Disc Type: Sprung (dampered hub)
• Pressure Plate: Single Diaphragm Heavy-Duty | Model: HCC539 REGULAR R
• Release Bearing Model: BRG500 (Conventional Release Style)
• Pilot Bearing Model: 22103-PNA-004
• Flywheel Type: OE-HD (Heavy Duty, Factory Weight)
• Transmission: 6-Speed Manual
• Engine: 2.4L I4 K24Z7
• Drivetrain: FWD
• Tuning / Reflash: Not Required

Included Components

• 1x Stage 1 Copper Kevlar Organic Clutch Disc (Sprung)
• 1x Heavy-Duty Single Diaphragm Pressure Plate
• 1x OE-HD (Heavy Duty) Flywheel
• 1x Release/Throw-Out Bearing
• 1x Pilot Bearing

Product Description

The Action Clutch ACR-0665-OEHD is a complete Stage 1 clutch upgrade for the 2012-2015 Honda Civic Si, bundling a high-performance clutch disc and pressure plate with an OE-HD (Heavy Duty) flywheel in a single kit. The OE-HD flywheel retains factory weight for a smooth, familiar pedal feel while providing improved heat dissipation and eliminating the clutch chatter associated with lightweight flywheel swaps - making this an ideal all-in-one solution for drivers who want a performance upgrade without compromising daily drivability.

Built around Action Clutch's reinforced Steel-Backed Copper Kevlar Organic friction material and single diaphragm heavy-duty pressure plate, this kit delivers 70% more holding capacity than stock. The patented fully enclosed spring retainers guard against spring pop-out, and every component is computer spin balanced to within 0.25 oz-in before individual engineer sign-off. No tuning or reflash is required, making installation straightforward for the 9th Gen Civic Si K24Z7 platform.