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The HD/Perf Street Sprung clutch kit, designated ZM2-HDSS, is engineered to provide excellent performance and durability for street and occasional race use. With a weight of 12.5 lbs and a torque capacity of 245 ft/lbs (36% over OE), this kit offers a balance of strength and usability.
Featuring ACT's most popular Heavy Duty pressure plate, this kit utilizes an exclusive diaphragm design to increase clamp load, minimize deflection, and extend clutch life. The pressure plate undergoes a four-stage heat-treating process for unmatched performance and reliability. Precision cover stampings ensure rigidity and consistency, enhancing clutch operation.
The clutch disc, constructed from organic materials, boasts a diameter of 8.8 inches (224 millimeters). These premium organic materials with high copper content offer better heat transfer, reducing fade, and increasing durability. The steel-backed lining provides greater burst strength and reliability. Reduced marcel allows for faster shift action, complementing the ACT pressure plate while maintaining strength and reliability.
With a light to moderate pedal effort and smooth positive engagement, accompanied by OE to mild gear rattle, this clutch kit provides a comfortable yet responsive driving experience suitable for both daily driving and occasional track use.
ACT's meticulous engineering ensures precise assembly and balance, with 100% clamp load testing and dynamic computer balancing for smooth high RPM reliability. Backed by a 12-month warranty, this kit reflects ACT's commitment to quality and performance.
Vehicle Fitment:
The HD/Perf Street Sprung clutch kit, designated ZM2-HDSS, is engineered to provide excellent performance and durability for street and occasional race use. With a weight of 12.5 lbs and a torque capacity of 245 ft/lbs (36% over OE), this kit offers a balance of strength and usability.
Featuring ACT's most popular Heavy Duty pressure plate, this kit utilizes an exclusive diaphragm design to increase clamp load, minimize deflection, and extend clutch life. The pressure plate undergoes a four-stage heat-treating process for unmatched performance and reliability. Precision cover stampings ensure rigidity and consistency, enhancing clutch operation.
The clutch disc, constructed from organic materials, boasts a diameter of 8.8 inches (224 millimeters). These premium organic materials with high copper content offer better heat transfer, reducing fade, and increasing durability. The steel-backed lining provides greater burst strength and reliability. Reduced marcel allows for faster shift action, complementing the ACT pressure plate while maintaining strength and reliability.
With a light to moderate pedal effort and smooth positive engagement, accompanied by OE to mild gear rattle, this clutch kit provides a comfortable yet responsive driving experience suitable for both daily driving and occasional track use.
ACT's meticulous engineering ensures precise assembly and balance, with 100% clamp load testing and dynamic computer balancing for smooth high RPM reliability. Backed by a 12-month warranty, this kit reflects ACT's commitment to quality and performance.
Vehicle Fitment:
Yes! All ACT clutch assemblies are computer spin balanced to within .25 oz-in to guarantee help smooth operation across the entire RPM range. For comparison, stock production clutches are typically balanced to within .50 oz-in. Lower is definitely better!
ACT pressure plates are specifically designed to handle high torque applications. With ACT's durable design, expect an increase in pedal effort between 15-40% (Heavy Duty) and 50-80% (Xtreme), depending on the application. Clutches developed with less pedal effort often result in a lack of longevity, torque capacity and/or engagement quality.
For organic street discs, we recommend breaking in the clutch for 300-500 miles with mild engagement, such as stop-and-go city driving prior to racing or spirited driving. ACT race discs usually only require a few hard slips to lap in the surfaces prior to normal driving or racing. Do not overheat the clutch during the break-in period, as this can result in friction surfaces fusing together, hot spots, and friction surface glazing.
In some situations, rebuilds or repairs may be possible (see warranty), after inspection of the clutch assembly. Please contact our technical department for further information. Because of special modifications, we do not recommend servicing by a general clutch rebuilder.
The weight of the ACT clutch assembly will usually be the same as a stock OEM clutch assembly.
Yes! All ACT clutch assemblies are computer spin balanced to within .25 oz-in to guarantee help smooth operation across the entire RPM range. For comparison, stock production clutches are typically balanced to within .50 oz-in. Lower is definitely better!
ACT pressure plates are specifically designed to handle high torque applications. With ACT's durable design, expect an increase in pedal effort between 15-40% (Heavy Duty) and 50-80% (Xtreme), depending on the application. Clutches developed with less pedal effort often result in a lack of longevity, torque capacity and/or engagement quality.
For organic street discs, we recommend breaking in the clutch for 300-500 miles with mild engagement, such as stop-and-go city driving prior to racing or spirited driving. ACT race discs usually only require a few hard slips to lap in the surfaces prior to normal driving or racing. Do not overheat the clutch during the break-in period, as this can result in friction surfaces fusing together, hot spots, and friction surface glazing.
In some situations, rebuilds or repairs may be possible (see warranty), after inspection of the clutch assembly. Please contact our technical department for further information. Because of special modifications, we do not recommend servicing by a general clutch rebuilder.
The weight of the ACT clutch assembly will usually be the same as a stock OEM clutch assembly.
Free Shipping for the Contiguous Continental States excluding Alaska.
We use UPS, FedEx, and USPS for deliveries. We are not responsible for any shipping problems and shall not be held liable for any "reasonable" delay beyond our advertised delivery time-frames. Shipment by Ground Courier can take up to 6 business days for delivery or Express Courier which can take up to 3 business days for delivery. Shipping time frames are once the order has been processed. Due to high demand, order processing can take 1 to 2 business days.
The on-time delivery guarantee does not apply to shipments that are delayed due to causes beyond the couriers control, including, but not limited to, the following: the unavailability or refusal of a person to accept delivery of the shipment, delays caused by the consignee, acts of God, public authorities acting with actual or apparent authority on the premises, acts or omissions of Customs or similar authorities, riots, circumstances arising before, during, or after a strike or other labor disputes, civil commotions, disruptions in the air or ground transportation network (such as weather phenomena), and natural disasters. For more information on the shipping Limits and Restrictions visit the UPS website at http://www.ups.com.
We do not accept Collect shipments for on-line orders. All shipping charges are charged at the time the order is placed on-line.
Any order received after 3PM PST will not ship until the following business day.
Free Shipping for the Contiguous Continental States excluding Alaska.
We use UPS, FedEx, and USPS for deliveries. We are not responsible for any shipping problems and shall not be held liable for any "reasonable" delay beyond our advertised delivery time-frames. Shipment by Ground Courier can take up to 6 business days for delivery or Express Courier which can take up to 3 business days for delivery. Shipping time frames are once the order has been processed. Due to high demand, order processing can take 1 to 2 business days.
The on-time delivery guarantee does not apply to shipments that are delayed due to causes beyond the couriers control, including, but not limited to, the following: the unavailability or refusal of a person to accept delivery of the shipment, delays caused by the consignee, acts of God, public authorities acting with actual or apparent authority on the premises, acts or omissions of Customs or similar authorities, riots, circumstances arising before, during, or after a strike or other labor disputes, civil commotions, disruptions in the air or ground transportation network (such as weather phenomena), and natural disasters. For more information on the shipping Limits and Restrictions visit the UPS website at http://www.ups.com.
We do not accept Collect shipments for on-line orders. All shipping charges are charged at the time the order is placed on-line.
Any order received after 3PM PST will not ship until the following business day.
PROP 65 WARNING: This product can expose you to chemicals including carbon black, glass wool fibers, and 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 WARNING: This product can expose you to chemicals including carbon black, glass wool fibers, and 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.
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