LPI Racing
LPI Racing Customer Cars
2021 Las Positas Court #145 Livermore, CA 94551
PHONE: (925)292-5522
FAX: (925)292-5524
E-MAIL: Sales@LPIRacing.com

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Ford Mustang > Drivetrain

ACT

Maximum Motorsports

ACT Maximum Motorsports
Clutches Clutch Pedal Adjuster
Flywheels IRS Differential Cooler




ACT

ACT Clutch Kits XTM Carbon on Carbon Clutches
For high powered road race cars, drifting or drag race vehicles that still use the synchromesh transmission, there is nothing equal to a true carbon on carbon clutch. When designed properly and using the right materials, carbon on carbon clutches offer many unique benefits not achievable with conventional materials. Carbon materials have been used for years in F1 and other top forms of racing as a friction material for both clutches and brakes with outstanding results.
ACT Pressure Plates Pressure Plate
When your engine puts out performance, you need a pressure plate that can handle it properly. All ACT pressure plates provide a generous increase in clamp load which directly increases torque capacity. ACT pressure plates are offered in...
ACT Graph
Heavy Duty - HD
20 - 50% clamp load increased
Stock to moderate pedal feel
Best disc to use: Street or Race disc
Most certified to meet SFI Spec 1.1
Xtreme - XT
50 - 120% clamp load increased
Moderate to stiff pedal feel
Best disc to use: Street or Race disc
All certified to meet SFI Spec 1.1

MaXX Xtreme - XX
70 - 150% clamp load increased
Stiff to very stiff pedal feel
Best disc to use: Race disc
All certified to meet SFI Spec 1.1
ACT heat-treats their diaphragms using an exclusive 3-stage process. ACT also hardens the release bearing contact area to reduce wear. Each pressure plate is designed in the optimum working range for maximum clutch life, clamp load, and release travel. Every pressure plate is tested to insure proper clamp load every time. This graph shows the ACT pressure plates will provide a higher clamp load for a longer distance than typical pressure plates. This exclusive ACT design translates into longer clutch life, a more positive feel and better shifting. There will be an increase in pedal effort ranging from slight to heavy depending on application.
ACT Clutch Disk Street Discs - SFI Certified to Insure Safety (most discs)
ACT Performance Street Discs are designed for smooth engagement, quiet operation and improved durability using only the best organic linings and spring center designs. ACT street discs are available in three designs; stock, modified, and performance.
Stock - 00
Quality Replacement Disc
Recommended for Street
Smooth engagement
Very quiet operation
Good burst and hub strength

Modified - MM
Recommended for Street or occasional Race
Quicker Shifting and Engagement
Quiet Operation
Increased Strength and Reliability
Better Friction Material for Heat Tolerance

Performance - SS
Recommended for Street and Race
High Copper Content Friction Lining for Heat Tolerance
Higher Burst Strength Due to Steel Backed Linings
Quicker Shifting and Engagement
Quiet operation
Best organic friction material, improved hub and burst strength
Race Discs - SFI to insure safety
Quicker shifting due to reduced weight
Higher torque and heat capacity than organic discs with fade free characteristics
Longer clutch life through ACT's careful selection of materials and features
Spring Centered - G4 & G6
G4 Four Pad for the Quickest Shifting, Recommend for Road Racing
G6 Six Pad for Better Heat Capacity and Better Engagement, Recommended for Road Racing and high power Street
Reduced driveline Shock and Spline Life Through the use of Torsional Dampeners
Quiet Operation by Reducing Torsional Vibrations
Harsh engagement, chatter

Solid Centered - R4 & R6
R4 & R6 Recommended for Drag and Road racing
Choose Four Pad for the Quickest Shifting
Choose Six Pad for Better Heat Capacity and Better Engagement
Improved Durability Because of Stronger Hub Components
Very harsh engagement, chatter
ACT - Mustang Years Pressure
Plate
Disc Torque
Capacity
f./lbs.
Clamp
Load
increase
SFI P/N (Call for Price)
Mustang
10.5"
86-92 - 5.0L
93-95 - 5.0L GT & Cobra
Heavy Duty
Heavy Duty
Heavy Duty
Xtreme
Xtreme
Xtreme
Performance
Spring Centered 6 Pad
Solid Centered 6 Pad
Performance
Spring Centered 6 Pad
Solid Centered 6 Pad
557
619
713
629
733
805
44%
44%
44%
62%
68%
62%
Yes
Yes
Yes
Yes
Yes
Yes
FM1-HDSS
FM1-HDG6
FM1-HDR6
FM1-XTSS
FM1-XTG6
FM1-XTR6
Mustang
10.5"
Aftermarket 26 spline
86-92 - 5.0L
93-95 - 5.0L GT & Cobra
Heavy Duty
Heavy Duty
Heavy Duty
Xtreme
Xtreme
Xtreme
Performance
Spring Centered 6 Pad
Solid Centered 6 Pad
Performance
Spring Centered 6 Pad
Solid Centered 6 Pad
557
619
713
629
733
805
44%
44%
44%
62%
68%
62%
Yes
Yes
Yes
Yes
Yes
Yes
FM4-HDSS
FM4-HDG6
FM4-HDR6
FM4-XTSS
FM4-XTG6
FM4-XTR6

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ACT

ACT Flywheels Flywheels
ACT XACT flywheels provide significantly improved engine response, acceleration and a higher degree of safety than the heavy stock flywheel. Most are available in two versions, Prolite and Streetlite. Many competitors flywheels are too light, fragile and expensive.

Prolite Flywheel
Lightest XACT Flywheel
Best throttle response, lowest inertia
Super Rigid, Precision Made, and Dynamically Balanced
Recommended for Road and Rally Racing
ACT - Mustang Years # / Bolts Prolite Wt.
Mustang, 5.0L GT & Cobra, 10.5" 86-95 600410 14.3
Mustang, 4.6L GT, T45 Trans & 96-98 4.6L Cobra 32v, 10.5" 96-2/01 6 Bolt
8 Bolt
600420
600430
14.2
14.2
Mustang Cobra, 4.6L, 8 CYL, Supercharged Cobra, 11" 01-04 6 Bolt
8 Bolt
600420
60043
14.2
14.2
Mustang GT, 4.6L, 8 CYL, 11" 05-06 6 Bolt
8 Bolt
600420
60043
14.2
14.2

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Maximum Motorsports

Clutch Accessories
Maximum Motorsports Firewall Adjuster Assembly MMCL-3 Clutch Cable Firewall Adjuster, 1982-2004
This beautiful machined aluminum adjuster, allows the use of our universal clutch cable and aluminum clutch cable quadrant so you can adjust your clutch cable tension easily from under the hood. Aftermarket cables are much lower quality, and require the stock plastic adjustment mechanism or can be adjusted down at the transmission clutch fork. Our adjusters are easily adjusted from where the cable passes through the firewall near the brake master cylinder. Our adjuster has more adjustable length than many other adjusters making it best suited to all the year ranges of Mustangs. We found that 1994-95 Mustang stock cables required more adjustment than earlier or later clutch cables. It works with all stock clutch cables or with most aftermarket cables (although we don't recommend or sell them due to poor quality).
Maximum Motorsports Aluminum Clutch Quadrant MMCL-6 Clutch Quadrant: Maximum Motorsports raises the bar by manufacturing a clutch quadrant to replace the brittle plastic factory quadrant. The strong, yet lightweight (only 4.4 oz.) CNC aluminum quadrant was MM's engineering department's answer to the shortcomings of all other clutch quadrants. It allows the use of a durable stock style cable, not requiring an adjustable cable. A firewall adjuster is required.

It is the details that separates the Maximum Motorsports Clutch Quadrant from all others.

Works with a durable stock cable because MM designed the quadrant and the firewall adjuster around the stock cable. All other quadrants require aftermarket adjustable cables which stretch, break, collapse and melt much easier than the factory cable.
The mounting hole diameters are critical. Too loose and the quadrant will "wobble" side to side adding slop to the pedal feel. Too tight and it wont fit. MM hold a very tight tolerance during manufacture to ensure the proper fit.

The slotted second hole is Maximum Motorsports' solution to Ford's loose tolerance on the distance between the two shafts that hold the quadrant. To deal with this problem, some manufactures make the second hole extra large to fit all cars. Others do not use a hole at all and allow the quadrant to rest on top of the second shaft. Both methods result in a loose, rattling pedal.

A stock quadrant radius is used on the MM Clutch Quadrant. A larger radius is not necessary and will cause three problems. It increases pedal effort, causes the clutch cable to rub on the cable housing at the firewall, prematurely wearing it out, and it overstrokes the pressure plate. A smaller radius won't allow the clutch to fully disengage.

A machined flat to allow the cable end to sit square. Other companies use too large a radius thus bending the end of cable. This unnecessary stress leads to broken clutch cables.

MM's machined the correct side of quadrant to make installation easier. One end of the clutch quadrant is machined thinner than the rest. This is to make installation much easier on pre 1994 cars that have a support bracket which complicates quadrant access. Most manufacturers machine the wrong side of the quadrant, which makes installation difficult and frustrating. This makes it easy to see who copies problems and who solves problems. The MM Clutch Quadrant is machined correctly, thus solving the installation problem.
Maximum Motorsports Universal Ford OEM Clutch Cable MMCL-11 Clutch Cable, Universal Ford OEM, 1982-04
MM's has done a lot of research on clutch cables, buying and testing almost every different cable on the market we could find. MM's has found after all this investigation, that the OEM Ford Clutch Cables are the best quality cables available. They have a multi-material, layered construction that provides better heat, friction and collapsibility protection than all the aftermarket cables we dissected.
MM's has developed a clutch adjustment package that will work with all OEM Ford cables. MM's Quadrant, firewall package will allow the use of all OEM Ford cables (and adjustable cables, too), however the cables all require some minor modifications. We also sell a package with the MM Universal Ford OEM cable, which comes with all the parts you need to install a Ford quality cable with an aluminum quadrant and firewall adjuster, that requires no additional cable modifications. This universal cable will provide more header clearance, and therefore even better heat protection, than any other cable MM's has found, including the 5.0 liter engine OEM Ford cables!! This cable, quadrant and firewall adjuster can be the answer to all your clutch cable problems!
Maximum MotorsportsMM Clutch Cable Insulator MMCL-14 Clutch Cable Insulator: Protect your clutch cable with Maximum Motorsports Clutch Cable Insulator. This high-temperature resistant phenolic material insulates the clutch cable housing from the heat of the bellhousing. While road racing we discovered that the transmission bellhousing would heat soak to such an extent (We measured bellhousing temperatures of over 300 degrees) that the clutch cable outer housing was melting. This can cause intermittently high pedal effort, poor clutch release, and eventually complete failure of the clutch cable. The MM Clutch Cable Insulator greatly reduces heat soak into the clutch cable, prolonging its life. For installation a firewall Adjuster or adjustable clutch cable is required.
MMCL-15 Clutch cable heatshield: Protect your clutch cable with Maximum Motorsports Clutch Cable Heat Shield. This high-temperature resistant material shields the clutch cable housing from radiant heat. The high heat radiating from the headers and exhaust can cook the clutch cable and cause high pedal effort, poor clutch release, and eventually complete failure of the clutch cable. The MM Clutch Cable Heat Shield greatly reduces how much radiant heat reaches the clutch cable, prolonging the life of the cable. Each kit includes 12 inches of heat shield material, and can be installed without any disassembly of the clutch cable.
Clutch Cable Accessories Years P/N (Call for Price)
Clutch Cable Firewall Adjuster 82-04 MMCL-3
Aluminum Clutch Quadrant 82-04 MMCL-6
OEM Clutch Cable, Universal Ford 82-04 MMCL-11
Clutch Cable Insulator 82-04 MMCL-14
Clutch Cable Heat Shield 79-04 MMCL-15

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Maximum Motorsports

Clutch Pedal Height Adjuster

Driving your car will be easier after installation of Maximum Motorsports' Clutch Pedal Adjuster Kit. This kit allows adjustment of the clutch pedal's height to suit your taste. The original placement of the clutch pedal is about two inches above the brake pedal. This makes smooth and fast driving more difficult, as your feet must find pedals that are placed at three different heights. This easy-to-install kit allows you to adjust the clutch pedal to the same height as the brake pedal, or even slightly below or above it.

This kit requires an aftermarket clutch quadrant and either an adjustable clutch cable or a firewall cable adjuster.
Maximum Motorsports Clutch Pedal Height Adjuster MMCL-7
Clutch Pedal Height Adjuster,
1994-04
MMCL-10
Clutch Pedal Height Adjuster,
1982-93
Clutch Pedal Adjuster Years P/N (Call for Price)
Mustang 82-93 MMCL-10
Mustang 94 - 04 MMCL-7

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Maximum Motorsports

Maximum Motorsports IRS Differential Cooler Kit
Maximum Motorsports IRS Differential Cooler Kit OC-10 Differential Oil Cooling System, fits 1999-2004 Cobra with IRS

Keep the differential temperature down and avoid burning-up the stock Ford Traction-Lok differential in your 1999-2004 Cobra with MM's IRS Differential Cooler. The IRS center section is subjected to much more heat than a solid axle differential. The additional heat comes from the exhaust being routed directly underneath the IRS differential, the reduced fluid capacity of the IRS center section, and the absence of large steel axle tubes to act as heat sinks. The Cobra IRS has gained a reputation for burning up the Traction-Lok differential during spirited driving and open-track events. With MM's new Differential Cooler kit, costly limited slip failures caused by excessive heat can be avoided.

Note: Fits aftermarket differential cover braces, with a minor modification to the brace.
Model Year Description P/N (Call for Price)
Mustang Cobra 99-04 IRS Differential Cooler Kit OC-10

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LPI Racing
2021 Las Positas Court #145, Livermore CA 94551
Phone: (925)292-5522
E-mail:
Sales@LPIRacing.com

See our new site at LPIRacing.com