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COMPETITION TH400 TRANSMISSIONS
At CK Perfomance we are constantly performing research and development to improve and update our products.Our TH400 product line is unique.Our valve bodies and CNC machined internal components are propietary designs specific to our product line.Our power ratings on the transmissions we sell are based on flywheel horsepower and torque ratings.The ratings are conservative but are made with maximum performance and component life in mind.It is not uncommon for a custom to place our basic TH400 in a 1000 hosepower car and get satisfactory component life out of it.However ,this is not how we like to select a transmission for your application.Hard parts can and do fail and we highly recommend you follow our guidelines when making your selection.Please phone in and we can discuss your application as well as custom builds that dont match the information presented here.All of our transmission,regardless of power output,are assembled with maximum capacity clutch packs and needle bearing updates.2nd gear start transbrake is available at no extra charge.Be sure to check out our custom gear ratio options below for special applications.All transmissions receive thorough dyno testing before leaving our facility to guarantee a quality product is sent out to our customers.  
COMPETITION TH400
RECOMMENDED POWER LEVEL:600 hp/550 lbs. ft.
INTENEDED USAGE: Street and dragstrip.Bracket racing.Most naturally aspirated 350 to 454 CID SMALL BLOCK,454 to 502 CID BIG BLOCK engines.
COMPETITION COMPONENTS
E4340 steel billet input shaft.CKPERFORMANCE EXCLUSIVE direct drum with 34 element sprag and spiral retaining ring, A custom bronze bushing is fitted to the inside diameter of the drum.The drum end outside diameter of the forward clutch hub is precision ground to fit the inside diameter of the bushing.Becuase the forward clutch hub is held on cemter by the mainshaft the direct drum is forced to run on center.Heavy duty intermediate clutch snap ring.Custom intermediate snap ring support for manual shift units. Rollerized forward clutch hub, planetary gear set, and output shaft. Heat treated stator tube.New factory deep pan and high flow filter.
CLUTCH AND BAND UPGRADES
Maximum capacity clutch packs with extra clutches standard on all GMTH400 transmissions.Borg Warner "HIGH ENERGY" 6 clutch forward ,6 clutch direct, and 4 clutch intermediate clutch packs. New carbon fiber front and rear band.Updated forward ,intermediate and direct clutch 1 piece return spring assemblies.
HYDRAULIC UPGRADES
Line pressure set to 170 psi.Modified converter charge circuit eliminates converter caused engine main thrust bearing problems and converter balloning problems. . Solid graphite sealing rings installed on the pump and center support. Our exclusive "DUAL SHUTTLE VALVE PRO TREE TRANSBRAKE".Instant apply and release and the fastest 2/3 shift ever available over all other designs.New factory deep pan w/ hi flow filter assembly.
TRANSMISSION #400C/MA1 $1399.00
Transmission with high performance street and strip calibration and manual /automatic valve body.
TRANSMISSION#400C/FPFM $1399.00
Transmission with competition forward pattern full manual valve body. Specify with or without engine braking.
TRANSMISSION #400C/TB $1699.00
Transmission with Pro Tree transbrake valve body.
COMPETITION PLUS TH400
RECOMMENDED POWER LEVEL:800 hp/800 lbs. ft.
INTENEDED USAGE: Street and dragstrip.Sportsman racing.Most naturally aspirated 400 to 454 CID SMALL BLOCK,454 to 600 CID BIG BLOCK engines.May also be used for some 350 to 502 CID N20,TURBOCHARCHED,and SUPERCHARGED engines.
COMPETITION COMPONENTS
CNC machined oversize E4340 steel billet input shaft and 38 spline forward drum assembly. CKPERFORMANCE EXCLUSIVE direct drum with 34 element sprag, spiral retaining ring,and drum stablizing system. A custom bronze bushing is fitted to the inside diameter of the drum.The drum end outside diameter of the forward clutch hub is precision ground to fit the inside diameter of the bushing.Becuase the forward clutch hub is held on cemter by the mainshaft the direct drum is forced to run on center.This improves sprag performance and clutch life.CKPERFORMANCE EXCLUSIVE E4130 steel sun gear shaft.This shaft introduces a press fit between the direct drum and sun gear shaft keeping the drum running on centerline of transmission to improve sprag performance and clutch life. Heavy duty intermediate clutch snap ring.Custom intermediate snap ring support for manual shift units. Rollerized forward clutch hub, planetary gear set, and output shaft. Heat treated stator tube.New factory deep pan and high flow filter.
CLUTCH AND BAND UPGRADES
Maximum capacity clutch packs with extra clutches standard on all GMTH400 transmissions.Borg Warner "HIGH ENERGY" 6 clutch forward ,6 clutch direct, and 4 clutch intermediate clutch packs. New carbon fiber front and rear band.Updated forward ,intermediate and direct clutch 1 piece return spring assemblies
HYDRAULIC UPGRADES
Line pressure set to 180 psi.Modified converter charge circuit eliminates converter caused engine main thrust bearing problems and converter balloning problems. . Solid graphite sealing rings installed on the pump and center support. Our exclusive "DUAL SHUTTLE VALVE PRO TREE TRANSBRAKE".Instant apply and release and the fastest 2/3 shift ever available over all other designs.New factory deep pan w/hi flow filter assembly.
TRANSMISSION #400CP/TB $1899.00
Transmission with Pro Tree transbrake valve body.
SUPER COMPETITION TH400
RECOMMENDED POWER LEVEL:1200 hp/1000 lbs. ft.
INTENEDED USAGE:Pro street and dragstrip.Baja and off road trucks. Top Sportsman.Naturally aspirated 454 to 632 CID BIG BLOCK engines.400 to 454 CID SMALL BLOCK and 454 to 502 CID BIG BLOCK with NOS,TURBO,or SUPERCHARGER.
COMPETITION COMPONENTS
CNC machined oversize E4340 steel billet input shaft and 38 spline forward drum assembly.CKPERFORMANCE EXCLUSIVE direct drum with 34 element sprag, spiral retaining ring,and drum stablizing system. A custom bronze bushing is fitted to the inside diameter of the drum.The drum end outside diameter of the forward clutch hub is precision ground to fit the inside diameter of the bushing.Becuase the forward clutch hub is held on cemter by the mainshaft the direct drum is forced to run on center.This improves sprag performance and clutch life.CKPERFORMANCE EXCLUSIVE E4130 steel sun gear shaft.This shaft introduces a press fit between the direct drum and sun gear shaft keeping the drum running on centerline of transmission to improve sprag performance and clutch life. CNC machined E4340 steel billet intermediate shaft and CNC machined E4340 steel billet forward clutch hub.Heavy duty intermediate clutch snap ring.Custom intermediate snap ring support for manual shift units. Rollerized forward clutch hub, planetary gear set, and output shaft. Heat treated stator tube.New factory deep pan w/hi flow filter assembly.
CLUTCH AND BAND UPGRADES
Maximum capacity clutch packs with extra clutches standard on all GMTH400 transmissions.Borg Warner "HIGH ENERGY" 6 clutch forward ,6 clutch direct, and 4 clutch intermediate clutch packs. New carbon fiber front and rear band.Updated forward ,intermediate and direct clutch 1 piece return spring assemblies .
HYDRAULIC UPGRADES
Line pressure set to 185 psi.Modified converter charge circuit eliminates converter caused engine main thrust bearing problems and converter balloning problems. . Solid graphite sealing rings installed on the pump and center support. Our exclusive "DUAL SHUTTLE VALVE PRO TREE TRANSBRAKE".Instant apply and release and the fastest 2/3 shift ever available over all other designs.
TRANSMISSION #400SC/TB $2199.00
Transmission with Pro Tree transbrake valve body.
SUPER COMPETITION PLUS TH400
RECOMMENDED POWER LEVEL:1800 hp/1500 lbs. ft.
INTENEDED USAGE:Pro street and dragstrip.Mud pulling and off road trucks. Top Sportsman.Naturally aspirated 454 to 700 CID BIG BLOCK engines.400 to 454 CID SMALL BLOCK and 454 to 700 CID BIG BLOCK with NOS,TURBO,or SUPERCHARGER.
COMPETITION COMPONENTS
CNC machined SUPER COMP DIRECT DRUM with 36 element sprag,oversize inner and outer sprag races and spiral retaining ring. CKPERFORMANCE EXCLUSIVE E4130 steel sun gear shaft.This shaft introduces a press fit between the direct drum and sun gear shaft keeping the drum running on centerline of transmission to improve sprag performance and life.CNC machind VASCO steel billet input shaft,VASCO steel billet intermediate shaft,E4340 steel billet forward clutch hub.Heavy duty intermediate clutch snap ring.Custom intermediate snap ring support for manual shift units. Rollerized forward clutch hub, planetary gear set, and output shaft. Heat treated stator tube.New factory deep pan w/hi flow filter assembly.
CLUTCH AND BAND UPGRADES
Maximum capacity clutch packs with extra clutches standard on all GMTH400 transmissions.Borg Warner "HIGH ENERGY" 6 clutch forward ,6 clutch direct, and 4 clutch intermediate clutch packs. New carbon fiber front and rear band.Updated forward ,intermediate and direct clutch 1 piece return spring assemblies.
HYDRAULIC UPGRADES
Line pressure set to 200 psi.Modified converter charge circuit eliminates converter caused engine main thrust bearing problems and converter balloning problems. . Solid graphite sealing rings installed on the pump and center support. Our exclusive "DUAL SHUTTLE VALVE PRO TREE TRANSBRAKE".Instant apply and release and the fastest 2/3 shift ever available over all other designs.
TRANSMISSION #400SCP/TB $2499.00
Transmission with Pro Tree transbrake valve body. |
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OPTIONAL EQUIPTMENT
#400GSA 2.03/1.35 CUSTOM RATIO PLANETARY GEAR SET $1849.00
#400GSB 2.10/1.40CUSTOM RATIO PLANETARY GEAR SET $1649.00
This gear set is used to reduce torque multiplication/rotating speed in the transmission in first gear. This improves traction in applications that overpower the rear tires on the launch. This set works great with high horspower cars running drag radials.The close ratio design keeps the engine in its peak torque curves on gear changes improving performance.Built will all new 9310 sun gear,billet ring gear and planetary carrier.
#400GSC 2.32 / 1.48 CUSTOM RATIO PLANETARY GEAR SET $799.00
This gear set is used to reduce torque multiplication/rotating speed in the transmission in first gear. This improves traction in applications that overpower the rear tires on the launch. This is common with numerically high final drive ratios. (IE: 4.10, 4.56, 4.88)Built will all new 9310 sun gear,billet ring gear ,and billet planetary carrier assembly.
#400GSD 2.48 / 1.48 RATIO SEVERE DUTY STRAIGHT CUT GEAR $799.00
This is the facory heavy duty straight cut planetary gear set produced by General Motors for extreme duty applications. This gear set is recomended for competition applications with vehicle weight over 4200 pounds.Great for trucks used in mud pulling ,baja/off road that require the stock gear ratio.
#400GSE 2.75 / 1.57 CUSTOM RATIO PLANETARY GEAR SET $699.00
This gear set is used to increase torque multiplication/rotating speed in the transmission in first and second gear. This instantly improves the launch for heavier cars with numerically rear end gears Built will all new 9310 sun gear,billet ring gear ,and billet planetary carrier assembly.
400BH S.F.I. APPROVED BELL HOUSING INSTALLED $349.00
400TS S.F.I. APPROVED TRANSMISSION SHIELD $139.00
400DS FILLER TUBE AND DIPSTICK WITH LOCKING CAP $55.00
LS1 CAMARO/GTO SPEED SENSOR UPGRADE KIT $179.00
Includes custom reluctor ring and speed sensor for easy installation of a TH400 in LS1 equipt vehicles. |
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