Clutch Masters Twin Disc 725 Series

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Category: Clutch Kits
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Clutch Masters is proud to introduce the finest and most economical multi-plate clutch systems available for today’s high performance vehicles, the 725 and 850 Series. Clutch Masters Twin Disc systems are pure racing technology that also works well in high performance street applications that will be used on the street on rare occasions. They are designed to hold tremendous horsepower and torque ratings, while being reasonable to operate on the track. By increasing the clamping force of the pressure plate and adding to the square inches of usable disc area, CM Twin Discs significantly increase clamping values with an average of 50% increase in pedal pressure depending on the application. The cover assembly is machined from billet aluminum with 25% more tensile strength than the competition’s cast unit. The flywheel is machined from billet 6061-T6 aluminum to meet SFI spec  1.2 for competition in NHRA, NDRA, IDRC, IHRA, SCCA and NASA. Each aluminum flywheel includes a replaceable heat shield.  Steel flywheels are also available on select applications. **

725 SERIES – (7.25” Twin Disc)

The 725 series is a smaller diameter assembly, which creates less rotating mass and offering quicker, and smoother shifting with much better throttle response, ideal for Drag racing applications.

Available Stages:

“Street and Race” (TD7S)  – 1 ceramic rigid disc, and 1 fiber tuff rigid disc 

“Race” (TD7R) – 2 ceramic rigid discs


Pressure Plate Codes:
SD - Custom Single Disc (725 or 850)
DD - Double diaphragm pressure plate
HD - Heavy duty pressure plate
HR - High rev pressure plate
TD - Twin Disc
Disc Codes:
00 - Sprung steel-backed organic disc 
B4 - 4-puck rigid ceramic disc. 
B5 - 5-puck rigid ceramic disc. 
B6 - 6-puck rigid ceramic disc. 
BL - Rigid full face ceramic disc. 
0C - Sprung Organic/Ceramic disc. 
C4 - 4-puck ceramic sprung disc. 
C6 - 6-puck ceramic sprung disc. 
CL - Sprung full face ceramic disc. 
CF - Sprung ceramic/Fiber Tough disc. 
CK - Sprung full face Kevlar/ceramic disc. 
CT - Sprung segmented Kevlar/ceramic disc. 
0F - Sprung Organic/Fiber Tough disc.

FF - Sprung Fiber Tough disc. 
I4 - 4-puck rigid iron button disc.
I6 - 4-puck rigid iron button disc. 
KV - Sprung full-face Kevlar disc. 
SB - Sprung organic disc. 
TZ - Sprung segmented Kevlar disc. 
7S - 7.25 in. Twin or single disc (Street) 
7R - 7.25 in. Twin or single disc (Race) 
7H - 7.25 in. Twin or single disc (Race/Street) 
8S - 8.50 in. Twin or single disc (Street) 
8R - 8.50 in. Twin or single disc (Race) 
8H - 8.50 in. Twin or single disc (Race/Street)

Foot Notes:
A - Aluminum flywheel included.
S - Steel flywheel included.
T - Fits Tremec transmission only.
H - Hydraulic slave cylinder included.
K - Upgrade kit including flywheel.
R - Rigid disc.
D - Dampened disc.
C - Custom kit.
P - Clutch/flywheel package deal.
M - Modular clutch/flywheel kit.
V - Push type conversion.
W - Pull type conversion.
Y - 6 bolt patern.
Z - 8 bolt patern.
1-7 - Unique flywheel identifier.
AL - Aluminum
SF - Steele
FW - Flywheel


For more information on this product you may visit the Clutch Masters website.

Clutch Masters Twin Disc 725 Series Applications:

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