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TC3-HDG4 - ACT Heavy Duty Race Sprung 4 Pad Clutch Kit

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was $548.96 Special Price $466.62
SKU
TC3-HDG4

Specifications

Specifications
Item Description ACT Heavy Duty Race Sprung 4 Pad Clutch Kit
Product Weight (lbs.) 14.3
Torque Capacity (ft/lbs.) 355
Torque Capacity Over OE 89%
Disc Material Ceramic
Clutch Disc Diameter (Inches) 8.8
Clutch Disc Diameter (Millimeters) 224
Input Shaft Diameter (inches) 1.125
Pressure Plate Type Heavy Duty
Warranty 12 Months (view details)

Description

TC3-HDG4 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 4-pad spring-centered race disc features a spring-center to properly damp torsional vibrations for quieter operation and resist failure even 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 4-pad spring-centered race disc, engagement is harsher, but shifting is faster. ACT's 4-pad spring-centered race disc is well-suited for smaller disc sizes in smaller engines.

Description
Feel Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle
Life Moderate friction life, extended by ACT's exclusive diaphragm design
Quality Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance
Recommended Use Recommended for high horsepower street or race use
ACT Difference 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability

Vehicle Fitment

Fitment Info
Application Engine
1970 Toyota Crown Base 2.3 L6 GAS FI 2253cc
1971 Toyota Corona Base 1.9 L4 GAS FI 1858cc | SOHC
1971 Toyota Corona Mark II 1.9 L4 GAS FI 1858cc | SOHC
1971 Toyota Crown Base 2.3 L6 GAS FI 2253cc
1971 Toyota Crown Base 2.6 L6 GAS FI 2563cc
1972 Toyota Celica Base 2.0 L4 GAS FI 1968cc | SOHC
1972 Toyota Corona Base 2.0 L4 GAS FI 1968cc | SOHC
1972 Toyota Crown Base 2.6 L6 GAS FI 2563cc
1972 Toyota Hi-Lux Base 2.0 L4 GAS FI 1968cc | SOHC
1972 Toyota Mark II Base 2.3 L6 GAS FI 2253cc | SOHC | Naturally Aspirated
1972 Toyota Mark II Base 2.0 L4 GAS FI 1968cc | SOHC | Naturally Aspirated
1973 Toyota Celica Base 2.0 L4 GAS FI 1968cc | SOHC
1973 Toyota Corona Base 2.0 L4 GAS FI 1968cc | SOHC
1973 Toyota Hi-Lux Base 2.0 L4 GAS FI 1968cc | SOHC
1973 Toyota Mark II Base 2.6 L6 GAS FI 2563cc | SOHC | Naturally Aspirated
1974 Toyota Celica Base 2.0 L4 GAS FI 1968cc | SOHC
1974 Toyota Corona Base 2.0 L4 GAS FI 1968cc | SOHC
1974 Toyota Hi-Lux Base 2.0 L4 GAS FI 1968cc | SOHC
1974 Toyota Mark II Base 2.6 L6 GAS FI 2563cc | SOHC | Naturally Aspirated
1975 Toyota Corona Base 2.2 L4 GAS FI 2189cc | SOHC
1975 Toyota Corona DLX 2.2 L4 GAS FI 2189cc | SOHC
1975 Toyota Corona SR5 2.2 L4 GAS FI 2189cc | SOHC
1975 Toyota Pickup Base 2.2 L4 GAS FI 2189cc | SOHC
1976 Toyota Corona Base 2.2 L4 GAS FI 2189cc | SOHC
1976 Toyota Corona DLX 2.2 L4 GAS FI 2189cc | SOHC
1976 Toyota Corona SR5 2.2 L4 GAS FI 2189cc | SOHC
1976 Toyota Pickup Base 2.2 L4 GAS FI 2189cc | SOHC
1977 Toyota Corona Custom 2.2 L4 GAS FI 2189cc | SOHC
1977 Toyota Corona DLX 2.2 L4 GAS FI 2189cc | SOHC
1977 Toyota Corona SR5 2.2 L4 GAS FI 2189cc | SOHC
1977 Toyota Pickup Base 2.2 L4 GAS FI 2189cc | SOHC
1977 Toyota Pickup SR5 2.2 L4 GAS FI 2189cc | SOHC

Frequently Asked Questions

Are ACT clutches balanced?
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!
Will an ACT clutch increase pedal effort?
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.
Do ACT clutches require a break in period?
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.
Are ACT clutches repairable or rebuildable?
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.
How much does an ACT clutch weigh?
The weight of the ACT clutch assembly will usually be the same as a stock OEM clutch assembly.

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