#1X. 700R4 / 4L60E high performance intermediate billet servo. This Sonnax servo has 18% more holding power (fluid apply area) than the Corvette servo and 6 O-rings for a positive seal, plus it comes complete with an apply pin with 3 sealing rings. Yes that's a total of 9, no leaks here. Eighteen percent would be half way between a Corvette intermediate servo and the Superior servo. It'll give a firmer 1-2 and 2-3 shift. Can be installed without removing the transmission or valve body. Cost $118.00

#2  700R4 Corvette intermediate servo. This is the servo that comes from the factory in Corvettes and high performance Camaros. This is the best one GM makes. Not as firm as the above servo. Cost $19.00

#K12SS. Seal kit for OEM and Superior 700R4 / 4L60E intermediate servos. Cost $14.00

#K34SS. Seal kit for Superior 700R4 / 4L60E overdrive servos. Cost $12.00

#1P. Longest intermediate servo pin for 700R4 / 4L60E transmissions. The tip of this pin can be ground shorter to get the correct band adjustment. Cost $19.00

√ #4X. 700R4 Elevated Pressure Regulator Spring. This replacement spring is stronger than many alternatives, and allows increased pressures throughout the stroking action of the pressure regulator valve. Low spring rates, incorrect spring heights and inappropriate replacements from previous rebuilds can lead to low base line pressure. Cost $6.00

#4XX. 700R4 throttle valve elevated pressure spring. The original TV valve spring is a bit weak resulting in low line pressures and insufficient throttle pressure. If left uncorrected this can result in premature 3-4 clutch failure. Cost $5.00

#12LU. 700-R4 Hydraulic Lock-up Package, works on 1982 to 1989 valve bodies only. The Fairbanks hydraulic lock-up package allows you to engage lock-up automatically without the computer. Non-toggle switch activated, it comes with 5 custom calibrated springs so you can vary the point at which your torque converter actually locks-up. Cost $69.00

#18A. For light vehicles under 3200 pounds with 3.73 and lower gear ratios.

#18B. For medium weight vehicles such as Camaro with 3.42 to 3.73 ratios.

#18C. For heavy vehicles with 3.08 to 3.42 ratios. Use this one with taller than stock tires, and lower than stock gear ratios.

Vehicles with a 200-4R, 700-R4 or 4L60E transmission can experience 1-2 light throttle abrupt or "bang" shifts, especially when using the Corvette or larger 2nd apply servo pistons. The current industry solution is to make the servo piston apply diameter smaller. This, however, limits the 2-4 band life. This shift problem commonly occurs when the accumulator valve is too large for the application, resulting in too much pressure on the 2-4 band. This valve train has 7 different OEM size variations: B, A, N, M, L, K, and F. They range from the largest valve diameter giving the firmest shift (B) to the smallest valve diameter giving the softest shift (F), respectively. The size variations are clearly stamped with the letter on the aluminum sleeve. Most vehicles, depending upon the transmission / engine combination, can use either the M, L, or K version. However, these are not available unless scavenged from other valve bodies. Each kit contains three springs of varying spring rates. Cost $42.00

Accumulator Valve Train Assembly

#20. 700R4 full throttle 3-4 up-shift sleeve. Now you can have a full throttle 3-4 shift. At 80 MPH it takes 90% throttle to make a 4-3 downshift. Can be installed without removing the valve body. The Up-shift Sleeve also eliminates part throttle 4-3 downshift for less gear searching. This is an extra option on the 700 Raptor. Not recommended for motors over 250 horse power. Cost $49.00

#20S. This is the replacement for a worn throttle valve. This is the larger one, code 94. Poor line rise or no detent downshifts can be common complaints in vehicles with a 700-R4 transmission. The steel throttle valve plunger continuously reciprocates within the aluminum throttle valve plunger sleeve, thus wearing the sleeve. This wear allows throttle valve feed oil to leak past the plunger and exhaust, resulting in poor line rise and problematic downshifts. In addition, the OEM spring is weak and can result in low line rise, insufficient throttle pressure and, ultimately, 3-4 clutch failure. Cost $38.00

#20T (700R4 & non-PWM 4L60E) #20E (4L60E PWM units). These hardened steel converter clutch apply valves will eliminate bore cross leakage with a Teflon seal. Vehicles with a 700-R4 or 4L60-E transmission have numerous converter overheat and lock-up complaints related to valve bore wear. These include no lock-up or lock-up immediately after 2nd gear when fluid warms up. Frequently the solenoid will have no control over the valves position. These complaints are usually created by excessive pump bore to valve clearance. Often converter feed oil will leak past the OEM spool, which added together with orificed signal oil, will be more than the solenoid can exhaust. This may completely stroke the valve into the lock-up position and create a no power or no brake cancel condition. Oil cross leaks may float the valve into a midway position and restrict cooler flow, which burns up the converter. Cost $17.00

√ #28. 700R4 low / reverse boost valve. This valve will help keep the transmission in manual low to a higher speed. It raises the pressure in manual low and manual second. This valve is .061 of an inch larger than the largest stock valve. Can be installed without removing the transmission or valve body. Cost $25.00

√ #41. 700R4 intermediate servo release check valve. This valve meters servo release oil for a shorter 2-3 shift while providing proper exhaust for a smooth 3-2 down shift. Cost $16.00.

A worn 3-4 relay / 4-3 sequence valve body bore can cause a no 4th gear situation in a 700R4 or 4L60E. Due to the constant valve oscillation, wear occurs at the 4th accumulator circuit. This can lower 4th gear pressure by as much as 20-25 psi, resulting in lower servo apply pressure or no 4th gear. Leakage also occurs at the end plug, due to valve hammering. This allows 4th signal oil loss which can result in a no 4th gear situation. Sonnax now offers two oversized 3-4 relay and 4-3 sequence valve kits for the 700R4 and 4L60E. Reamer required for these two valves.

• Critical valve spools have been made larger to restore hydraulic integrity to the valve bore.
• The last spool diameter on the 4-3 sequence valves has been extended to increase spring force against the oversized valves.
• Each kit includes an o-ringed end plug to prevent 4th gear oil loss.
• Valves for the 4L60 are made from hardened steel to duplicate the OEM material for use in the cast-iron valve body.
• Valves for the 4L60-E are made from anodized aluminum to provide longer life, resist wear and maintain critical clearances in the aluminum valve body.
• Sonnax reamers for the 700R4 and 4L60E allows you to re-establish the bore size for the oversized valve kits.

#57. 700R4 Hardened stator shaft. Cost $45.00.

√ #5-10V. 700R4 / 4L60E 10 vane pump kit. Transmission must be removed to install this kit. Cost $36.00

#5X. Superior Super Pump plus .500" Mega Valve and a 13 vane rotor. Fits 700R4 AVB 1987 to 1993 transmissions. This is the worlds best 700R4 pump. Cost $160.00 plus a $35.00 core charge.

#6S. Like new 700R4 Remanufactured Input Sprag Assemblies (Late). Cost $60.00

#6SR. 700R4 / 4L60E, low / reverse spring and roller. Fits 1987 up transmissions. Cost $28.00

√ #7. 700R4 dip stick and tube with locking top. This late model dip-stick has a locking top to prevent blow-out and make a positive seal. Cost $27.00

√ #8. 700R4 universal-fit throttle valve cable. This cable fits 99% of all 700R4 transmissions. It's longer than the stock cable. Cost $22.00

#8XX. Throttle valve cable stud. The throttle valve cable hooks to this on the carburetor. Cost $5.00

#8XXX. 700R4 top throttle valve cable repair end. Cost $2.00

#8H. Universal Throttle Valve Cable Bracket for Edelbrock and Quadrajet. This bracket was designed to be used only on Holley model 4150 and 4160 carburetors, but will fit others. Cost $24.00

#8H2. This bracket was designed to be used only on Holley model 4011 carburetors. Cost $25.00

#8L. 700R4 teflon lined throttle valve cable is made with an extruded liner for extended life. This transmission kickdown kit has aluminum fittings with ferrule to eliminate frayed ends. This kit is adaptable to many different manifolds and includes complete instructions. Cost $75.00

√ #9. Hayden transmission coolers. 12 X 7 1/2 X 3/4. Cost $45.00 - - - 15 1/2 X 10 X 3/4. Cost $55.00  - - - Needed for any type high performance / heavy duty use. Recommended for stall speeds of 2,000 RPM or higher and towing.

Transmission Life Expectancy Chart

#55X. Automatic transmission cooler with integral fan. Ideal for racers that require cooling of transmission fluid when the vehicle is not in motion. AN fittings are compatible with existing rules and build practices. 10 3/4" x 15 5/8" x  4". Cost $175.00

#55T. Thermostat for the above cooler. Automatic Controller for Remote Cooler, 6AN Ports, Can Attach Directly to Cooler Core or Place Inline, Activates Fan at 180 Degrees. Cost $32.00

Extreme Duty Metal Impregnated Carbon Fiber Flex Band

√ #11CF. Alto Carbon Fiber 700R4 / 4L60E band made exclusively for PATC to our specifications. No one else has or sells this band. This band is an Alto Carbonite PowerBand but in the standard width. It has the heavy duty thick anchors on both ends. Alto is pleased to announce a new Carbon lined 2-4 band for the GM 700R4 family of transmissions. This new band will retro back to the 1982 700R4 and will also fit the 2005 4L65E and all the transmissions in between. Both of the band anchors have been hardened to ensure durability. The Carbon lining is up to the task of any application that these transmissions are used for. This is a direct replacement band, for best performance and to prevent a "Comeback" from 2-4 band failure. (We recommend this band over the above #11 band because the wide band must be used with a new reverse input drum otherwise the band will burn on the two outer edges.) Cost $23.00, 5 or more $19.00 each

Click to see why you need a thick anchor.

Carbon Fiber

RedEagle

Carbon Fiber

RedEagle

#11A. 700R4 / 4L60E new after market band drum. These look better than the OEM drum. Cost $75.00

#11C. 700R4 / 4L60E new OEM Delco band drum. Cost $100.00

√ #60. 700R4 torque converter lock-up solenoid. Cost $20.00.

√ #12 700R4 forth gear torque converter lock-up switch. All you need is one hot wire to the transmission. No computer needed. Fits 1982-1993 transmissions. Cost $45.00

See numbers 60, 71 and 71X below.

#71V. Universal adjustable vacuum switch for any application that may benefit with its use. Unlike the GM switch that has been available for years, this switch allows the vacuum trigger point to be adjusted between 1 and 6 pounds of vacuum. This switch can also be wired-in to be normally open or closed. $43.00

#71. Vacuum switch to cut the power to the torque converter lock-up switch under medium to heavy throttle. This will feel like another gear on higher stall speed torque converters. Cost $49.00. (This is a normally open switch. It takes 7 pounds or more of vacuum to lock the converter and 3 pounds or less of vacuum to unlock the converter.)

#71X. Pig-tail wire connector for the above vacuum switch. Cost $24.00

#71XX. Connector without the wire for the above vacuum switch. Cost $8.00

#71XXX. Case connector plug for locking torque converter (no wire). Cost $9.00

#71W. Case connector plug for locking torque converter (WITH wire). Cost $20.00

#71CC. Case connector for the 1982 to 1992 700R4 transmission. Cost $10.00

#43LL. Lock-It-Later Delay Box. Works with 700R4, 200-4R, 350C and E4OD. Cost $49.00

• The Lock-It-Later Delay Box is easy to install and allows you to then adjust a circuit from 2 to 27 seconds, letting you put lock-up where you want it to be.  Designed to work in many different applications where the delay of a specific circuit is desired-particularly in no computer situations or units transplanted into early model vehicles.
• A great companion to the Superior High Gear Lock-up Package and Adjustable Vacuum Switch.

700R4 / 4L60E,

700R4 / 4L60E Performance Alto Red Eagle Master Rebuild Kits

#14-2. Alto Red Eagle Master Rebuild Kits for 700R4 late 1987 on / 4L60E transmissions 1993 on. For 1997 on applications molded pistons must be ordered separately. Add filter, band and bushings if needed.

 #14-2 / 700R4, Cost $205.00

#14-2 / 4L60E, Cost $216.00

• Gasket and Seal Kit
• Metal Clad Seals
• Ring Kit
• All Red Eagle Performance Clutches
• All High Performance Kolene Steels
• High Performance 3-4 RedEagle PowerPack