SPEC Custom Performance and Race Clutches and Flywheels

SPEC Clutch Kits are the leader in aftermarket performance clutch with 8 stages (Spec Stage1, Spec Stage2, Spec Stage2+, Spec Stage3, Spec Stage3+, Spec Stage4, Spec Stage5, Spec Stage5+). Spec Clutch has a stock pedal feel with clamping power that is suitable for every application. Spec Stage5 performance clutches have been tested behind manual transmission vehicles with more than 1000hp and for less modified daily driven clutches, check out the Spec stage 1-3. The clutch kits include a high clamp load, quick release pressure plate, corresponding stage disc, bearings and alignment tool.

Made from high carbon steel or specially treated aircraft aluminum for superior rotational integrity and warp resistance, the SPEC billet flywheels feature a hardened replaceable ring gear, high strength racing bolt kit and SFI certification. SPEC flywheels are manufactured to an industry leading .001 inch. The billet steel units provide desired momentum for street, drag and large turbo applications, but weigh less than stock for greater reliability and noticeable horsepower gains. The aluminum flywheels are lighter for better performance at road race/Time Attack and autocross events.

Exedy Clutch WRX / STi

ACT Subaru STI 04-05 Heavy Duty Clutch Kit

This kit utilizes a Heavy Duty Pressure Plate, which is superior to the stock pressure plate with greatly increased clamping force. It also comes with a stock disk to ensure a smooth stock like engagement, but with greatly increased holding power due to the increased pressure exerted by the pressure plate. All clutch kits include throw out bearing and alignment tool (if applicable). This clutch handles 475LBS of Torque.

$769.99

ACT Streetlite Flywheel

01-05 Subaru WRX/STi
XACT StreetLite 13.9 lbs
This product is certified by ACT to meet SFI Spec 1.1

$474.99

STi Lightweight Flywheel

Lightweight (15.8 pounds versus 18.9 for the stock) flywheel is machined from high strength Chromium/Molybdenum. The reduced rotating mass will allow the engine to rev up faster.

$699.99

Exedy -

Turbo Subarus - Impreza, Legacy, Liberty . Light-weight flywheel. Produces quicker revving and increases effective power. Faster throttle response and quicker acceleration. Improved braking, includes fully integrated machined ring gear. Flame hardened friction surface.

Torque Converters for Automatic WRXs

Performance Valve Body for 4EAT and 5EAT Automatic Transmissions

Performance Transmission Systems for

WRX and Legacy Automatic Transmissions

Performance Transmission Systems include: high performance Clutches, Reaction Plates, and Bands; complete sets of Bushings, Washers, and Bearings; high performance Filters; as well as complete sets of seals and gaskets. Also included is a 2800rpm hi-speed stall converter, which does not require a core charge or exchange. Performance Transmission Systems are only available as completed upgrades on your tranny.

Parts are not available for customer install.

All Performance Transmission Systems require your transmission to be worked on. All shipping costs are extra, with delivery of approximately 2-3 weeks.

$6499.99

SUBARU 4-SPEED (4EAT) PERFORMANCE AUTOMATICS
Forester, Impreza, WRX, Legacy, Outback and Baja

Hi-PERFORMANCE AUTOMATIC TRANSMISSION WITH OPTIONAL SHIFTTRONIC MANUAL-AUTOMATIC

for upgrading your Automatic Transmissions to race quality or converting your manual transmissions to a Shifttronic Racing Manual-Automatic Transmission.

-Valve bodies are calibrated to provide firm, positive shifts
-Extra forward, reverse and high clutches are installed
-Modified OEM solenoid assembly is installed
-Lube system is redesigned to prevent gear train failure and to increase lube flow
-Large apply area factory servo is installed to provide maximum band holding capacity (where applicable)
-New one-way clutches/sprags are installed
-High volume pump slide spring is installed (where applicable)
-Planetary splines are heat treated to prevent stripping
-Planetary pinion pins are welded to eliminate pin "walk-out"

The SHIFTTRONIC Shifter is a plug-and-play module that mounts in the cockpit and links directly to the manual-automatic transmission computer harness to provide manual control of up and downshifts, shift pressure and converter lockup on the Performance Manual-Automatic transmission.

The Shifttronic Manual-Automatic Performance Transmission is great for drag racers, rally drivers and anyone who wants positive transmission control using big power. The Shifttronic feature also offers you the option of changing how hard the trans shifts, and allows the driver to lock the torque converter on deceleration for real engine braking-like a manual shift transmission.

This is the system to make your track days

and keep your power to the road!!

All Hi Performance Automatic Transmissions are 'New' Built transmissions. There are no core charges. All shipping costs are extra, with delivery of approximately 3-4 weeks.

manual shiftronic $8999.99 plus shipping

Switch operated automatic to manual mode shiftronic

$9499.99 plus shipping

Note: You will need to change several parts to adapt the manual to the manual-automatic transmission. Some of these parts are the cross member, flex plate, tranny mounts, brake pedals and more, but it could be worth it for those low ETs.

Switch Operated

Manual-Automatic Shiftronic Shifter Kit

Do you want to shift your automatic like a manual? Need to control torque converter lockup and shift firmness? The device that makes it happen is the Shiftronic Shifter. It's a plug-and-play module that mounts in the cockpit and links directly with your transmission computer harness to provide manual control of up and downshifts.

Once plugged in, you have the option to go to any gear you please, up-shifting and down-shifting when you want. The Shifttronic feature is great for drag racers, rally drivers and anyone who wants positive trans control.

Shiftronic also has the ability to switch from automatic to manual mode without unplugging the harness, switch operated.

$1499.99

Sequential Shifting System [SSS]

for STi 6 speed

Sequential Shifting System [SSS]

for STi 6 speed

The SSS is revolutionary patented design that converts the standard H pattern shifting, to a fully sequential shifting mechanism. It is an external attachment for your gearbox, which means there is no gearbox intervention.

Installing the SSS will enable you to:
-change gears without lateral movement
-change gears fast, smooth and accurately
-view selected gear on the Digital Indicator

Benefits and features the SSS has to offer:

-Quicker and accurate gear shifts aiding to reduce lap times and avoid mis-shifts.
-Easy view of selected gear on Digital gear indicator.
-Reverse and neutral safety lock to avoid shifting into the neutral or reverse gears during shifting into low gears. Option to maintain just reverse blocking only.
-Manufactured from a combination of nitrocarburised steel and AICu4Ti alloy for strength.
-Unique shifting solenoid (booster magnet) that allows significant time saving advantages when shifting and prolongs the life of the gear box under extreme usage.
-Will not impact the interior look of the car for a clean and professional finish.
-NO gear box intervention which reduces installation time
-Easy adjustment for fine tuning.

Basic Info

-The body of the Subaru SSS is placed in the tunnel next to the gearbox.
-The conversion is provided by a series of rods running to the body. One of the rods determines the gear lever position with the other one securing the change of gear.
-The whole mechanism (body, rods etc.) is protected from underneath by the skid plate.
-The SSS consists of a safety lock to avoid shifting into the neutral or reverse gears during shifting into low gears. The neutral and reverse can be only engaged if the safety lock is released.
-The SSS is also equipped with a shifting booster (magnet) which assists in selecting gears faster and easier
A Digital Indicator is supplied to view the selected gear.

Specifications

Weight & Dimensions
24kg - 80cm x 45cm x 20cm
(packed in box)
Material
Cover (Skid plate) - dural
Body - AlCu4Ti alloy
Interior components - premium steel, nitro-carburised
Components
Body, Long Connecting Rod, Short Connecting Rod, Shifting Booster (magnet), Skid plate, Digital gear indicator

$6499.99 plus shipping

AP Subaru STI 6 Speed Short Shifter

AP's Subaru STI 6 Speed Short Shifter for the 2004 and up models. This short shifter is a direct replacement for the factory shifter. The shifter is all Stainless Steel and powder coated in AP Gold. The shifter retains all the factory parts for easy install and functionality. The height is about 2 inches shorter then stock and the throw is about 30% less then stock.

Short Shifters are designed to reduce the throw between gears, which enables you to have smoother and faster shifts. With the solid steel weight, the shifts slam into gear quick and responsively to help reduce shift delay. The lower height gives the shifter a better feel as well. Works with the stock shift knob, shift boot, and reverse lock out mechanism.

$124.99

AP Short Shifter 5spd Subaru WRX

Short Shifters are designed to reduce the throw between gears, which enables you to have smoother and faster shifts. With the solid steel weight, the shifts slam into gear quick and responsively to help reduce shift delay. The lower height gives the shifter a better feel as well. Works with the stock shift knob, and shift boot.

$124.99

6MT STi Short Throw Shifter

Significantly reduces shift throw lengths for crisper shifts and sportier driving.

$349.99

'Heavy Duty' Transmission Cooler

These 'Heavy Duty' kits feature a heavy duty oil cooler (5/8'' tubes) for high demand transmission oil cooling applications, like performance cars, bracket racing, drag racing, etc. Features 3/8'' barbed fittings. Includes all hardware, hose and fittings.

Features:
-Complete with all hardware, hose and fittings
-BILLET FITTINGS – Billet barbed fittings offer more secure hose connections
-Supplied standard with 1/2'' barb fittings

$149.99

Quaife ATB Differential for WRX

The Quaife is great for street driving or racing. Racers don't have to put up with locking mechanisms or spools that tear the steering wheel out of their hands when cornering. Because it behaves like an open differential during ordinary driving, street drivers will have trouble telling it's there until pushing the car's limits. The Quaife has been proven in everything from SCCA Rally to Formula 1. It provides autocrossers with such an advantage, it has become "required" equipment for a winning effort.

In cornering, while accelerating out of a turn, the Quaife biases power to the outside wheel, reducing inside-wheel spin. This allows the driver to begin accelerating earlier, exiting the corner at a higher speed.

The Quaife also controls loss of traction when the front wheels are on slippery surfaces such as ice and snow or mud, providing the appropriate biased traction needed to overcome these adverse conditions. The Quaife Differential provides constant and infinitely variable drive. Power is transferred automatically without the use of normal friction pads or plates seen in other limited-slip designs.

The Quaife's unique design offers maximum traction, improves handling and steering, and puts the power where it is needed most. A definite advantage whether on the track or on the street.

The Quaife is extremely strong and durable and since the Quaife is gear operated, it has no plates or clutches that can wear out and need costly replacement.

Front Diff

$1,699

Rear Diff

$1,699
Please be patient, parts delivery is averaging 4-6wks. All parts will be immediately shipped as they become available.

Cusco LSD Type RS 1.5, Rear for WRX

Featuring high tension chrome molybdenum steel housing and gears the Cusco LSD is up for the task of serious competition. With large oil windows for increased flow and Cusco's original groove cut technology for improved efficiency on the clutch plates, stability and longevity is promoted. ----- The 1.5-way Type RS utilizes coil springs located between the pressure rings to develop initial torque and features full engagement during acceleration and partially under deceleration. The use of coil springs rather than cone plates help promote faster, smoother engagement, along with higher durability. Will work on the WRX ONLY, will NOT work on the STi.

Explanation: 2 way (locks front wheels during acceleration and deceleration), 1.5 way (locks front wheels during acceleration and partially on deceleration), or 1 way (only locks during acceleration)

$1,699 Rear Diff WRX Only

Please be patient, parts delivery is averaging 4-6wks. All parts will be immediately shipped as they become available.

Cusco LSD Type RS1, Rear for WRX

Featuring high tension chrome molybdenum steel housing and gears the Cusco LSD is up for the task of serious competition. With large oil windows for increased flow and Cusco's original groove cut technology for improved efficiency on the clutch plates, stability and longevity is promoted. ----- The 1-way Type RS utilizes coil springs located between the pressure rings to develop initial torque and features full engagement only during acceleration. The use of coil springs rather than cone plates help promote faster, smoother engagement, along with higher durability. Will work on the WRX ONLY, Will NOT work on the STi.

Explanation: 2 way (locks front wheels during acceleration and deceleration), 1.5 way (locks front wheels during acceleration and partially on deceleration), or 1 way (only locks during acceleration)

$1,699 Rear Diff WRX Only

Please be patient, parts delivery is averaging 4-6wks. All parts will be immediately shipped as they become available.

Subaru-WRX axle package

Take a look at what's between you and the ET you know the car will do. Fresh from the cnc department we bring you the all new level 5 system.

Rear axles
1. 2002-2004 WRX (R160 Diff)
2. billet inner c.v. with oversized tripod.
3. 30% larger 300M center bar
4. Carbo Ausse tempered chrome outer c.v.
5. synthetic grease
6. higher durometer boots.
7. suitable for Street, Drag and Rally

Front axles
1. 30% larger 300m center bar
2. carefully selected factory housings from
larger car, re-tempered and stress relieved
3. Higher durometer boots
4. Synthetic grease

This extreme system is designed for all forms of racing. Able to with stand 900HP or the punishment of Rally this direct bolt in system is it. Both set of axles are a direct fit and are completely assembled and ready to install.

Front axles 899.99 (set)
Rear axles 1399.99 (set)

Front & Rear axles $2299.99

Please be patient, parts are made per order and require time to manufacturer (2-4wks.). All parts will be immediately shipped as they become available.

Subaru -

STI 04-07 & 2008

Front and rear axle upgrades

for about 600 to 650hp

After extensive testing by our drive shaft partner on the inner and outer c.v. housings, they have found they are made from a material very close to 4130 Chrome moly (very good), so the weak links are the boots.

The STi axle upgrade kit includes both axle bars, boots grease and clamps. All you have to do is put your C.v.'s on these shafts and you will be able to handle somewhere in the 600 to 650HP range.

These have been made in limited quantities so if you are in need of an upgrade for your R180, this is the one!

04-07 STI Front and rear axle bar upgrade kit. $1599.99
includes: Front axle bars/boots and Rear axle bars/boots

2008 STI Front and rear axle bar upgrade kit. $2299.99
includes: Front axle bars and Rear axle bars, inner CV, Outer Race

plus shipping

Please be patient, parts are made per order and require time to manufacturer (2-4wks.). All parts will be immediately shipped as they become available.

Subaru 04-07 STI

Axle/Hub system for about 1000hp

The rear axle/hub system from our drive shaft partner; this new system is meant for serious HP and will get the job done. The set has been designed for 1000WHP.

The system comes with both axles and hubs. Starting with the inner C.V. it has our billet housings that have a new special material that is actually stronger than 300M for the spline plugs into the diff; the center bar is larger and also made from the same material. The outer C.V. is the same as we use in the Pro FWD cars so you know the set will make sure you're the one to be beat. The new outer hubs with this system have 2 wheel bolt patterns for both 04 and 06/06 applications and we even added the ABS mount for you sick ones that are in need of this system for the street.

The STi front axle system includes both axle bars, boots grease and clamps. All you have to do is put your C.v.'s on these shafts.

$2499.99 plus shipping

Please be patient, parts are made per order and require time to manufacturer (2-4wks.). All parts will be immediately shipped as they become available.

Performance Aluminum Single Drive Shafts for

02+ WRX, STi, Forester XT.

Performance Aluminum Drive Shaft to replace the weak dual shafts from the manufacturer. This Aluminum Drive Shaft is made from 6061T6 aluminum as a single shaft to insure accepting more torque than the split shafts. These shafts are able to handle over 600hp.

You've done the rest of the drive train, now finish it!

$799.99 plus shipping

04-07 Carbon Fiber Drive shaft Subaru STI

Carbon Fiber Drive shaft Subaru STI

This carbon fiber drive shaft allows a 1000 RPM increase in the engine speed and gives the engine a chance to work at its? power peak. Its track tested at well over 800 horsepower. Its a stronger, lighter, direct replacement for your stock aluminum drive shaft. Which are known to twist.

You can achieve rear wheel horsepower gains of more than 5% with the simple switch to this carbon fiber drive shaft. Carbon fiber offers you more strength to resist extreme torque than steel with about half the weight. Just like the common use of the lightweight clutch and flywheel units, a lightweight drive shaft allows more of your engine's power to be applied to the ground during acceleration.

In addition to minimizing rotational power losses, carbon fiber's unique vibration dampening characteristics also help improve power output (acpt).

$1,499.99 plus shipping

New Subaru STI

6 Speed Transmissions with

LSD & Adjustable DCCD

Please be patient, each transmission is Special Order and takes about 6-8 weeks.

Subaru STI 6-Speed w/ LSD & Adjustable DCCD- 02+ WRX : $8,499.99 plus shipping
The STI 6-Speed transmission was designed to handle the additional torque of a the 280HP STI, as well as the potential race modifications that the car may be subjected too.  Conservative at 280HP, many have subjected this transmission to 500 ft/lbs of torque abuse without suffering failures compared to high failure rate of the WRX 5-speed.  Designed  to address the weaknesses of the standard 5-speed, the 6-speed transmission is split transversely, instead of the longitudinal design of the 5spd. This design greatly strengthens the torsional rigidity of the case itself as well as the shafts and gears.   An added oil pump allows for better lubrication of the gears as compared to the "splash" lubrication system of the 5-speed.


Subaru STI 6-Speed w/o LSD - 02+ WRX : $7,499.99 plus shipping
The STI 6-Speed transmission was designed to handle the additional torque of a the 280HP STI, as well as the potential race modifications that the car may be subjected too.  Conservative at 280HP, many have subjected this transmission to 500 ft/lbs of torque abuse without suffering failures compared to high failure rate of the WRX 5-speed.  Designed  to address the weaknesses of the standard 5-speed, the 6-speed transmission is split transversely, instead of the longitudinal design of the 5spd. This design greatly strengthens the torsional rigidity of the case itself as well as the shafts and gears.   An added oil pump allows for better lubrication of the gears as compared to the "splash" lubrication system of the 5-speed.

Strong Synchro & Dog Gear Sets and Transmission Upgrades