Heavy Duty Street Clutch & Flywheel Kit, Civic Type R / Integra Type S

Fitment

Choose your exact year, make, model, and trim to review this product’s applications.

Description

ACT HC12-HDSS is a Heavy Duty organic street-clutch kit with the required Streetlite flywheel for specified Civic Type R and Integra Type S applications. Its torque rating is 412 lb-ft at the engine/crank.

Technical specifications

Manufacturer part number HC12-HDSS Torque capacity (lb-ft) 412 Torque measurement Engine/crank (not a wheel-torque rating) Capacity over OE 33% Disc Material Organic Disc diameter (mm) 240 Disc diameter (in) 9.4 Input shaft diameter (in) 1.0325 Input spline count 24 Pressure Plate Heavy Duty Product weight (lb) 31.2 UPC 00842385024345 Flywheel Type Streetlite Application and compatibility

2017–2021 and 2023–2026 Honda Civic Type R, 2.0L turbo K20C1, 6-speed; and 2024–2026 Acura Integra Type S, 2.0L turbo K20C8, 6-speed.

Manufacturer documents

Manufacturer product information

ACT vehicle application and component chart

ACT general installation instructions

ACT limited warranty

Product specifications

Flywheel Type: Streetlite

Product Weight (lbs.): 31.2

Key features

• Sprung organic disc with copper-containing friction material and steel-backed lining
• Heavy Duty pressure plate with heat-treated diaphragm
• Light-to-moderate pedal effort with smooth engagement; some gear rattle may occur
• Clamp-load tested and dynamically balanced by ACT

Specifications

General

What's in the box

• H033 Heavy Duty pressure plate
• 3001801 sprung organic street disc
• 601200 Streetlite flywheel
• RB313 release bearing
• PB1010 pilot bearing installed in the flywheel
• AT61 alignment tool
• Flywheel bolts: M12-1.0 × 25 mm
• Pressure-plate bolts: M8-1.25 × 16 mm

The included ACT flywheel is required.

Install & Results

At a glance

• Have an experienced technician follow the vehicle service manual and ACT instructions. For organic street discs, ACT recommends 300–500 miles of mild engagement before spirited use. Avoid overheating or excessive slip. Use the included ACT flywheel. Bolt dimensions identify the parts; they are not tightening-torque specifications. Must use ACT flywheel (included in kit). Flywheel bolts included (M12-1.0 x 25mm). Pressure plate bolts included (M8-1.25 x 16mm).

Warranty

Limited warranty (documented)

ACT's limited warranty covers manufacturing defects under normal use for one year from retail purchase. Eligibility requires an authorized-dealer purchase receipt. Used products, labor, lift and storage costs are excluded. Misuse or improper installation can void coverage. Contact us to confirm eligibility and follow ACT's full claim terms.

Term: 1 year, subject to manufacturer eligibility

Manufacturer warranty policy