TRNi is a distributor of Superior Transmission Products
Fix those miserable soft shifts for good,
with a performance shift correction kit.
GM Shift Correction Kits
Click image to view contents
125/125C Shift Correction Kit
Part# 51C01
$41.00
This valve body kit fixes these problems:
Late shifts
Weak shifts
Band failure
Harsh downshifts
Converter shudder
Front seal problems 1. A "Ben Law" accumulator check valve is supplied in the kit to give a much quicker release of the band when shifting into 3rd. This valve, combined with the servo return spring supplied in the kit, saves the band from premature failure.
2. A specially designed drain back valve installs into the cooler line to stop converter drainage. This is a "must" for older units.
3. The kit modifies early auxiliary valve bodies to eliminate lockup problems which are very common to these units.
Click image to view contents
200 Shift Correction Kit
Part# 32C01
$25.00
This valve body kit fixes these problems:
2nd gear starts
Harsh reverse engagement
Down shift bump
Weak 2-3 shifts
Slow reverse engagements
No passing gear above 45-mph This Shift Correction Kit does regular, heavy duty and towing applications. One kit does lock-up and non lock-up. Supplied in this valve body kit is an anti-stick lock-up spring to prevent lock-up staying on while coasting to a stop. This kit offers passing gear over 45-mph. This has always been a problem with this transmission since it was produced. The 200 kit helps to eliminate this condition.
Click image to view contents
350 Shift Correction Kit
Part# 35C01
$25.00
This valve body kit fixes these problems:
Erratic passing gear
Premature clutch failure
Premature band failure
Erratic shift points
Weak shifts
Will convert a 350C to a 350 if desired This Shift Correction Kit offers regular, heavy duty and towing applications all in one package. This valve body kit services 350 and 250 lock-up and non-lockup units. It contains parts to convert a 350 lock-up back to a 350 non-lockup. Lube modification for heavy duty units is shown in the kit to prevent loss of converter lube under heavy throttle.
Click image to view contents
350 High Performance Shift Correction Kit
Part# 35C-HP
$40.00
This valve body kit fixes these problems:
Erratic passing gear
Premature clutch failure
Premature band failure
Erratic shift points
Weak shifts
Will convert a 350C to a 350 if desired This Shift Correction Kit offers regular, heavy duty and towing applications all in one package. This valve body kit services 350 and 250 lock-up and non-lockup units. It contains parts to convert a 350 lock-up back to a 350 non-lockup. Lube modification for heavy duty units is shown in the kit to prevent loss of converter lube under heavy throttle. This kit is for street rods and racing only. The high performance valve body kit allows manual low up shifting at any speed, as well as automatic, plus giving super positive performance.
Click image to view contents
400 Shift Correction Kit
Part# 34C01
$45.00
This valve body kit fixes these problems:
Soft late shifts
Soft 2-3 shifts
Harsh reverse engagement
Clutch chatter
Bind up in manual low when hot
Heavy duty snap ring for intermediate clutch The Superior 400 valve body kit offers the option of regular and heavy duty applications all in the same kit. The kit supplies metal rings for the 2nd accumulator. This one is for the model years that used teflon rings. Teflon rings in this application did not perform well. The Shift Correction Kit comes supplied with a thicker heavy duty snap ring for the intermediate clutch. The stock ring blows past the lugs in the case which in turn leaves the case with broken lugs. With the specially engineered Superior snap ring, cases with 2 to 3 broken lugs can be used with no fear of failure.
Click image to view contents
2004R Shift Correction Kit
Part# 32C04
$44.00
This valve body kit fixes these problems:
Sloppy 1-2 shifts
Erratic 4-3 shifts
Throttle valve sticking
Inadequate line pressure rise
Extends band life Throttle valve sticking is a very common problem in the 200-4R. This Shift Correction Kit deals with the problem by changing 2 springs in the valve train. Many shops may have valve bodies sitting unused due to this problem. Superior can fix it! Pressure rise problems can cause premature failure. The replacement of the pressure regulator and line bias springs, contained in this valve body kit, will give full positive response of pressure in the 200-4R unit.
Click image to view contents
2004R High Performance Shift Correction Kit
Part# 32C-HP
$75.00
This valve body kit fixes these problems:
Sloppy 1-2 shifts
Erratic 4-3 shifts
Throttle valve sticking
Inadequate line pressure rise
Extends band life Throttle valve sticking is a very common problem in the 200-4R. This Shift Correction Kit deals with the problem by changing 2 springs in the valve train. Many shops may have valve bodies sitting unused due to this problem. Superior can fix it! Pressure rise problems can cause premature failure. The replacement of the pressure regulator and line bias springs, contained in this valve body kit, will give full positive response of pressure in the 200-4R unit. This kit is offered for street rods, racing and extreme heavy duty use. This kit supplies a big TV boost valve as well as valve body modifications. This keeps the apply pressures up to needed capacity and delivers it to the band and clutches quickly.
Click image to view contents
440T4 Shift Correction Kit
Part# 66C01
$41.00
This valve body kit fixes these problems:
Converter clutch shudder
Burned 3rd clutch
Soft 1-2 shifts
Burned 2nd clutch
Inadequate line pressure rise
Modulator valve buzz This Superior kit was designed to increase torque capacity of the unit. Increased capacity is the key to preventing 2nd and 3rd clutch failure. The 440-T4 3-2 line control valve retainer clip is often times found broken, causing down shift problems. The retainer clip is supplied in this kit. This valve body kit also deals with 2nd gear start problems.
Click image to view contents
700R4 Shift Correction Kit
Part# 61C01
$45.00
This valve body kit fixes these problems:
Inadequate pressure rise
Burned clutches and bands
Erratic shift points
Soft or bump up shifts
Bump on coast down shifts
Raises lock up speed
2nd and 3rd flare up
Part throttle searching between 4th and 3rd The Superior 700-R4 kit contains an anti-stick throttle valve spring. This package deals with the weak 3-4 clutch problems in a very effective manner. The feed to the clutch is made more direct. Throttle valve travel is changed to stop slipping on very light acceleration. Timing is corrected on the 3-2 downshift. Overall apply pressure and oil flow is increased.
Click image to view contents
700R4 Heavy Duty Shift Correction Kit
Part# 61C-HP
$154.00
This valve body kit fixes these problems:
Inadequate pressure rise
Burned clutches and bands
Erratic shift points
Soft or bump up shifts
Bump on coast down shifts
Raises lock up speed
2nd and 3rd flare up
Part throttle searching between 4th and 3rd The Superior 700-R4 kit contains an anti-stick throttle valve spring. This package deals with the weak 3-4 clutch problems in a very effective manner. The feed to the clutch is made more direct. Throttle valve travel is changed to stop slipping on very light acceleration. Timing is corrected on the 3-2 downshift. Overall apply pressure and oil flow is increased. This kit is offered for street rods, racing and extreme heavy duty. This valve body kit comes supplied with the Corvette servo, the big .471 TV boost valve and throttle valve sleeve for full throttle 3-4 upshifts plus valve body modifications that keep apply pressures up to needed capacity.
Click image to view contents
4L60E Early (93-97) Shift Correction Kit
Part# 61C02
$74.00
This valve body kit fixes these problems:
Bind up in reverse
Low and reverse clutch burn up
Delayed engagement in forward and reverse
Slide in 2nd
3-4 clutch burn up
More lube oil
Clutch and band failure
Code 1870/converter burn-up This Shift Correction Kit offers regular and heavy duty applications in one package. The Superior 4L60-E kit helps prevent premature wear of the forward sprag. Improves overall performance and shift quality. Converts lock-up to an on/off system to help stop the TCC slippage code.
Click image to view contents
4L60E Late (98up) Shift Correction Kit
Part# 61C03
$41.00
This valve body kit fixes these problems:
Code 1870
Delayed engagements
Slide bump 2nd & 3rd
3-4 clutch burn-up
Help for worn plates
Provides more lube oil
Regular and Heavy duty applications
Improves overall transmission performance Includes PWM Powervalve to correct code 1870 problems and still maintain normal computer strategy of the converter. Includes oversized checkballs to give new life to the original worn separator plate.
Click image to view contents
4L80E Shift Correction Kit
Part# 34C03
$111.00
This valve body kit fixes these problems:
Runaway high pressure
Erratic pressure rise
Converter lock-up shudder
Inconsistent shift feel
Shift solenoid filter blow-out
Premature unit failure The Superior 4L80-E valve body kit offers the option of regular and heavy duty applications in the same package. A complete pressure regulator valve train is supplied in the 4L80-E kit. Failsafe, runaway high pressure will crack the case. The PR valve train supplied in this Shift Correction Kit will stop runaway high pressure before it happens.
Ford Transmission Kits
Click image to view contents
C6 Shift Correction Kit
Part# 36C01
$22.00
This valve body kit fixes these problems:
Premature clutch and band failure
Increases line and lube pressure
Passing gear spin up
Soft 1-2 shifts
Soft 2-3 shifts
Clutch chatter One Superior C6 kit valve body kit does regular, heavy duty and diesel applications. This kit offers options for shift firmness.
Click image to view contents
A4LD Shift Correction Kit
Part# 27C01
$64.00
This valve body kit fixes these problems:
Late shifts
Weak shifts
Delayed reverse
3rd clutch failure
2-3 flair
4-3 flair
Increase lube This Superior kit includes 20 return springs for the reverse high clutch drum, which are many times found flattened due to heat. These springs, as are all Superior springs, are "Stress Relieved." This kit supplies a governor anti-stick spring. The KA4LD kit changes out the stock aluminum modulator valve with a special Superior design steel valve. It features an added cleaning groove to deal with the very common sticking problems. This kit also offers shift feel options.
Click image to view contents
AOD Shift Correction Kit
Part# 53C01
$43.00
This valve body kit fixes these problems:
Weak 1-2 shifts
Erratic 1-2 shifts
Erratic 3-4 shifts
Down shift shudder
Premature clutch failure This Superior package supplies 3 Sherlock clips to replace the stock retaining clips that are prone to break. Teflon seals are supplied for the 3rd clutch to replace the stock metal rings, which many times leak. Timing is the key to an extended life of the AOD. This kit delivers that timing. The KAOD kit offers regular and heavy-duty applications.
Click image to view contents
AOD Heavy Duty Shift Correction Kit
Part# 53C-HP
$60.00
This valve body kit fixes these problems:
Weak 1-2 shifts
Erratic 1-2 shifts
Erratic 3-4 shifts
Down shift shudder
Premature clutch failure This Superior package supplies 3 Sherlock clips to replace the stock retaining clips that are prone to break. Teflon seals are supplied for the 3rd clutch to replace the stock metal rings, which many times leak. Timing is the key to an extended life of the AOD. This kit delivers that timing. The KAOD kit offers regular and heavy-duty applications. This package is designed for street rods and racing applications. The HP kit produces super positive performance.
Click image to view contents
AODE Shift Correction Kit
Part# 53C02
$55.00
This valve body kit fixes these problems:
Soft sloppy 1-2 shifts
Inadequate lube
Overdrive band failure
3rd clutch failure
2nd roller clutch failure
Soft sloppy 3-4 shifts
Converter shudder Just one Superior kit does both the AOD-E and the 4R70W Transmissions. The AOD-E kit offers regular and heavy-duty applications. Use of this transmission in police cars many times means come backs due to unit failure. This package was largely designed and developed through field testing on police vehicles. Included in this kit is a special design Spiral "Plus" ring set. The "New Millenium" two piece design in the AOD-E Shift Correction Kit features the Spiral Ring and the G-lock ring, teamed up to withstand testing at over 16,000 RPM on a dynamometer. Even at that high speed the new design did not fail. The New Spiral "Plus" ring set replaces the stock snap ring that often times slings off.
Click image to view contents
ATX Shift Correction Kit
Part# 57C01
$24.00
This valve body kit fixes these problems:
Sliding 3-2 kickdown
2nd gear starts
No upshift when cold
Inadequate line pressure
Improves shift quality
Improves overall performance
This valve body kit will service all years ATX. The package supplies an oversized direct drum bushing which allows the use of metal or Teflon rings. Most overhaul kits come with metal rings. When used with the oversized bushing, it gives the best seal possible. New governor pins are supplied to replace worn pins.
Click image to view contents
AXOD Shift Correction Kit
Part# 67C01
$59.00
This valve body kit fixes these problems:
Late shifts
2-3 flair
Soft sloppy 1-2 shifts
Downshift bump
Inadequate lube oil
Converter chatter
2nd gear starts
Spin up on 3-2 kick down Shims are supplied to better fine tune end clearance. This is an important step in maintaining proper lube and reduce wear in the AXOD unit. This Superior kit replaces problem converter relief valves in the valve body with a more efficient ball and spring setup. The kit includes a throttle valve anti-stick spring. The KAXOD kit also replaces all accumulator springs which are often times found broken in stock units due to high pressure.
Click image to view contents
AXODE Shift Correction Kit
Part# 67C02
$79.00
This valve body kit fixes these problems:
Delayed shifts
Flare on the 3-2 down shifts
Inadequate lube oil
Converter chatter
Soft or sloppy upshifts
Down shift bump
Pressure rise problems Shims are supplied in this kit to better fine tune end clearance. This is an important step in maintaining proper lube and reducing wear. This Superior kit replaces problem converter relief valves in the valve body with a more efficient ball and spring setup. New viton check balls are also supplied in the KAXOD-E kit for the pump body. These balls take the harshest abuse. A new CASE HARDENED STEEL *** Boost Valve and Sleeve with a Sure Seal O-ring replaces the O.E. valve and sleeve which is very prone to wear, causing loss of boost pressure. Value supplied in this package.
Click image to view contents
E4OD Shift Correction Kit
Part# 73C01
$49.00
This valve body kit fixes these problems:
Converter shudder
Converter burn up
Reverse problems
Weak shifts
Stack shifts
Lube problems
Front seal blow out One KE40D kit does regular, heavy duty and diesel applications. The Superior kit makes extensive pump modifications needed to avoid pump failure. Shift slippage is a real concern in this transmission. The Superior kit cleans up this problem very effectively. The KE4OD Shift Correction Kit includes a metal replacement drain back valve to replace the O.E. plastic valve. The O.E. valve can melt, cutting off lube to the overdrive planets causing failure.
Click image to view contents
4R44E/5R55E Shift Correction Kit
Part# 27C03
$27.00
This valve body kit fixes these problems:
Delay reverse
Soft sliding shifts
Overlap shift timing
3rd gear slips
Slips or loss of forward
Low pressure dips
Regular & heavy duty options Modifications made in this Correction Kit will allow the use of the less expensive EPC. Solenoid if replacing. Pressure loss while at cruising highway speeds is common. The pressure riser supplied with this Correction Kit keeps line pressure at a consistent level during operation.
Chrysler Transmission Kits
Click image to view contents
518/618 (88-98) Shift Correction Kit
Part# 22C03
$79.00
This valve body kit fixes these problems:
Premature band failure
Inadequate line rise
Slow engagements
Premature clutch failure
Lower 2-3 shift MPH
Full time lube
Rapid fill manual valve
Services regular, heavy duty, gas, and diesel
Improves overall performance The K500-618 Shift Correction Kit will service all A500 thru A618 hydraulic and electronic units thru 1998. Regular duty, heavy duty, gas, and diesel applications. This package includes a rapid fill manual valve. This valve allows normal converter drainage with motor off but instant fill in park when motor is started. Special lip seal supplied for 518-618 direct drum. This seal delivers better durability and sealing ability.
Click image to view contents
518/618Late (99up) Shift Correction Kit
Part# 22C04
$88.00
This valve body kit fixes these problems:
Premature band failure
Inadequate line rise
Slow engagements
Premature clutch failure
Lower 2-3 shift MPH
Full time lube
Rapid fill manual valve
Services regular, heavy duty, gas, and diesel Improves overall performance The K500-618-L Shift Correction Kit will service all 99 and up 42/44/46/47-RE units. This package includes a new governor pressure control valve. This valve allows operating pressure to be raised for heavy-duty use without fear of setting code 1763.
Click image to view contents
404-670 Shift Correction Kit
Part# 48C01
$54.00
This valve body kit fixes these problems:
Premature band failure
Sticking governor
Overlap 2-3 shift
Premature clutch failure
Improves overall performance
3 level options: regular, heavy duty, plus full manual Superior's versatile 404- thru 670 kit is easy to install and is designed for use on regular, heavy duty and full manual Dodge applications. From minivans to street racers, this one kit truly fits all. Like all Superior products the 404 thru 670 kit is made from top-quality, precision-crafted parts, offers consistent performance and comes with easy-to-use instructions.
Click image to view contents
727-904 Shift Correction Kit
Part# 22C01
$39.00
This valve body kit fixes these problems:
Lockup shudder
Premature clutch failure
Premature band failure
Inadequate lube oil
Inadequate line pressure
Converter burn up
Weak 2nd and 3rd shifts 1.One kit does all 727, 904 through 999's, 1962 to 1995.
2.The Superior KTF-TC kit gives the option of choosing lock-up speed.
3.Delivers full time lube.
4.One kit will do regular, heavy duty and extreme heavy duty applications.
5.It addresses converter problems on all years.
6.An easy to use adjustment tool is supplied with each kit.
7.Case saving information is provided in this package.