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ACT 4 Puck Miata 1.6L Race Clutch Kit 1990-1993

ACT-ZM1-HDR4

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If You Have A 1.6L Miata, We Have The Ultimate 4 puck Race Clutch Kit. ACT 4 Puck Race Clutch Kit has everything included, so no running to the parts store late in the night. This ACT 1.6L Miata Race Clutch Kit includes: 4 Puck Race Disk, HD Pressure Plate, Alignment Tool, Pilot Bearing (not bushing), and a HD Release Bearing. 

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ACT 4 Puck Miata 1.6L Race Clutch Kit 1990-1993

Miata 1.6L Racers Love This ACT Clutch Kit. An unsprung (no springs on the disk to get the power transfered fast) lightweight disk spins up quickly and grabs. Other than a double disk (illegal in SM) this is the best kit you can get. 

ZM2-HDR4 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 rigid race discs are made with high quality, ceramic friction materials. The chrome-moly hub is heat-treated for strength and durability. The lightweight, rigid design allows for quicker shifts and smooth, trouble-free service. With the 4-pad rigid race disc, engagement is harsher, but shifting is faster. The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines.

PRODUCT DETAILS

The ZM2-HDR4 - HD 4-Pad Rigid Race Clutch Kit: Mazda Miata 1990-2005 kit features the Heavy Duty pressure plate and 4-Pad Rigid Race disc manufactured by Advanced Clutch Technology. The specific parts included in this kit are:

  • 4224005 is a quality racing disc that offers aggressive engagement and fast shift action. The lightweight rigid design of this disk produces moderate gear rattle.
  • AT05 is an alignment tool to help the DIY mechanic align the clutch disc with the pilot bearing when installing the pressure plate.
  • MZ012 is a Heavy Duty Pressure Plate utilizing a diaphragm design to achieve a longer clutch life. Most ACT Heavy Duty Pressure Plates meet the SFI Specification 1.1 to ensure safety.
  • PB1005 is a high quality bearing/bushing placed in the center of the flywheel or end of the crankshaft, depending on the vehicle model application.
  • RB813 is a high quality direct-fit release bearing that meets or exceeds OE standards.

The Heavy Duty Pressure Plate and 4 Pad Rigid Race Disc for the Mazda Miata 1990-2005 arerecommended for race use only.

The Heavy Duty Pressure Plate and 4 Pad Rigid Race Disc kit has a stock to moderate pedal engagement feel with a 20-50% gain in clamp load and low to moderate gear rattle.  The 4 Pad rigid race disc has a harser engagement and shifting is faster.  The 4 Pad rigid race disc is perfect for small disc sizes that you find in smaller engines.

FITMENT:

  • 1990 MAZDA MIATA 1.6L/1597cc L4 Natural DOHC
  • 1991 MAZDA MIATA 1.6L/1597cc L4 Natural DOHC
  • 1992 MAZDA MIATA 1.6L/1597cc L4 Natural DOHC
  • 1993 MAZDA MIATA 1.6L/1597cc L4 Natural DOHC
  • 1993 MAZDA MIATA LE 1.6L/1597cc L4 Natural DOHC
  • 1991 MAZDA MIATA SE 1.6L/1597cc L4 Natural DOHC

SPECIFICATIONS:

Part Number:ZM1-HDR4
Description:HD/4 Pad Rigid Race
Torque Capacity (ft/lbs):250
Torque Increase Over O.E.86% (Almost Double)
SFI:N/A
Disc Type:Race Disc
Spline Count:22
Spline Size (in.):15/16"
Disc Diameter (in.):7.9"
Disc Diameter (mm.):200
Pressure Plate Type:Heavy Duty
Product Weight (lbs.):10.3
Kit Contents:

4200005 4 Pad Race Disk, AT05 Alignment Tool

MZ014 Pressure Plate, PB1005 Pilot Bearing,

RB813 Release Bearing

Product Warranty:1 year from retail purchase

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