ACT HD/Race Sprung 6 Pad Kit: ZM4-HDG6. Excellence in Performance, backed by the best one-year warranty in the industry!
ZM4-HDG6 kit features ACT's most popular Heavy Duty pressure plate. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's 6-pad, spring-centered race disc features a spring-center to properly damp torsional vibrations and resist failure under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce stress concentrations, and increase strength and reliability. With the 6-pad, spring-centered race disc, engagement is harsher, but shifting is faster. The 6-pad, spring-centered disc is recommended for larger clutch sizes to absorb more heat.
- Clutch Master Cylinder Included:No
- Grease Included:Yes
- Grade Type:Performance
- Pilot Bushing Included:No
- Pressure Plate Type:Heavy Duty
- Release Bearing Included:Yes
- Clutch Disc Diameter:8.8 IN
- Disc Material:Ceramic
- Input Spline Quantity:23
- Input Shaft Diameter:1 IN
- Alignment Tool Included:Yes
- Disc Type Sprung Solid:Sprung
- New Or Remanufactured Clutch:New
- Clutch Slave Cylinder Included:No
- Pilot Bearing Included:Yes
- Part Fitment Requirement:6 speed applications only. Pressure plate bolts included (M8-1.25 x 20mm).
- Product Weight (lbs.):13.9
- Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Prop 65 Long Label:Warning: This product can expose you to chemicals including carbon black, glass wool fibers, or silica (in clutch discs), chromium and nickel, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov
- Prop 65 Yes/No:Yes
- Title:ACT HD/Race Sprung 6 Pad Kit
- Torque Capacity (ft/lbs.):359
- Torque Capacity Over OE:71%
- Clutch Disc Diameter:224 mm
ACT
ACT (Advanced Clutch Technology) is a trusted leader in high-performance clutch and drivetrain solutions, engineered for enthusiasts, racers, and high-torque performance builds. At Black Ops Auto Works, our ACT collection features a wide range of ACT performance clutch kits, pressure plates, clutch discs, flywheels, pilot bearings, and alignment tools designed to handle aggressive driving, increased horsepower, and track-level abuse. Manufactured in the USA and proven in motorsports worldwide, ACT products deliver consistent clutch engagement, superior heat resistance, and long-term reliability. Whether you’re upgrading a street-driven vehicle or building a race-ready setup, ACT clutches provide the strength and precision needed to put power to the ground. Our ACT lineup supports many popular import and domestic platforms, including Subaru, Mitsubishi, Scion FR-S / Subaru BRZ, BMW, Ford, Audi, Volkswagen, Jeep, and Hyundai. From HD Performance Street clutches to XT and race-sprung c...
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Drivetrain
Shop drivetrain parts and accessories at Black Ops Auto Works for premium differentials, axles, driveshafts, clutch kits, flywheels, transmission components, shifters, ring and pinion gears, and supporting drivetrain hardware for street, track, towing, diesel, and off-road builds. Whether you are upgrading a daily driver, reinforcing a high-horsepower setup, or building a more capable truck or 4x4, this collection is built for strength, reliability, and performance. Shop Drivetrain Parts by Category Browse drivetrain upgrades across major product categories, including: Differentials and differential components Ring and pinion gears Differential covers, braces, bushings, mounts, seals, yokes, and rebuild kits Axles, axle seals, axle disconnect kits, wheel hubs, and wheel bearings Driveshafts, driveshaft loops, U-joints, pinion flanges, and center support bearings Clutch kits, clutch discs, clutch covers, flywheels, flexplates, pressure plates, and release bearings Clutch hydraulics ...
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