KIT INCLUDES:
STEEL PLATES
PREMIUM FORWARD .077 5
PREMIUM DIRECT .090 6
PREMIUM INTERMEDIATE 4
PREMIUM OVERDRIVE 4
PREMIUM OVERRUN 3
CLUTCH PLATES
RAYBESTOS RED STAGE 1 FULL WAFFLE FORWARD 5
RAYBESTOS RED STAGE 1 FULL WAFFLE DIRECT 6
GRAPHITIC FULL WAFFLE INTERMEDIATE 4
OEM OVERDRIVE 4
OEM OVERRUN 3
BANDS
FRONT BAND (LATE WIDE) 1
REAR BAND (HEAVY DUTY) 1
BUSHINGS
PUMP (LATE WIDE) 1
STATOR FRONT 1
STATOR REAR 1
O/R CLUTCH HOUSING FRONT 1
O/R CLUTCH HOUSING REAR (FLUTED) 1
FORWARD CLUTCH HOUSING 1
CENTER SUPPORT (LATE CENTER LUBE) 1
REACTION CARRIER 1
CASE (TH400 WIDE STYLE) 1
OUTPUT SHAFT (TH400 STYLE GROOVED) 1
EXTENSION HOUSING 1
WASHERS
CENTER SUPPORT REAR (METAL) 1
UPGRADED 4 TAB OUTPUT CARRIER THRUST WASHER 1
UPGRADED 2 TAB OUTPUT CARRIER THRUST WASHER 1
FRONT PUMP SELECTIVE END PLAY WASHERS 5
.060
.075
.090
.105
.120
BEARINGS
SUN GEAR FRONT 1
SUNGEAR REAR 1
REAR INTERNAL GEAR TO OUTPUT SHAFT 1
OVERDRIVE CARRIER TO FORWARD CLUTCH HOUSING 1
UPDATED CASE THRUST BEARING ASSEMBLY 1
ROLLER CLUTCHES
OVERDRIVE ROLLER CLUTCH EARLY DESIGN 1
LOW ROLLER CLUTCH 1
ELECTRONIC COMPONENTS
INTERNAL WIRING HARNESS EARLY
EPC SOLENOID EARLY
SHIFT SOLENOID A
SHIFT SOLENOID B
LOCK UP SOLENOID
PRESSURE MANIFOLD
MISC
GASKET AND SEAL KIT 1
FILTER (LATE) 1
.010 SELECTIVE SHIM FOR CASE BEARING 1
.015 SELECTIVE SHIM FOR CASE BEARING 1
.020 SELECTIVE SHIM FOR CASE BEARING 1
COMPETITION COMPONENTS
4LCC/BIS-1 COMPETITION BILLET INPUT SHAFT
4LCC/BSGS-L PRESS FIT BILLET SUN GEAR SHAFT LATE
4LCC/HDISA-34 34 ELEMENT INTERMEDIATE SPRAG
4LCC/BCH-1 STEEL BILLET CLUTCH HUB
4L80E MASTER SHIFT RECALIBRATION AND ASSEMBLY UPGRADE KIT
PART # 4L80ECC/MSRK
This product is for heavy duty and competition usage only. This product should be installed by a professional transmission mechanic who is fluent with servicing the GM4L80E transmission.
This product has been designed, engineered and tested to meet the highest quality standards obtainable for performance, consistency and durability.
With these upgrades the GM4L80E transmission can easily handle 1000 horsepower/750 foot pounds of torque, and with the necessary aftermarket upgrades, reliability at 1500 horsepower/1500 foot pounds of torque range is easily obtainable.
Beyond the 1000 horsepower/750 foot pounds of torque power level, consider the use of an aftermarket input shaft, forward clutch hub, 36 element sprag and drum, intermediate pressure plate, and/or mainshaft.
Kit Contents:
1 Purple Pressure Regulator Spring
1 Orange Pressure Regulator Spring
1 Pressure Regulator Inner Spring
1 .375” Cup Plug
1 Separator Plate
1 Accumulator Delete Plate
6 Accumulator Delete Plate Mounting Bolts
1 Intermediate Clutch Backing Plate Snap Ring
12 Intermediate Clutch Apply/Release Springs
1 Intermediate Clutch Apply/Release Spring Retainer
1 Direct Clutch Piston
16 Direct Clutch Apply/Release Springs
1 Direct Clutch Apply/Release Spring Retainer
1 Accumulator Valve Bore Plug
1 Shift Solenoid Feed Filter Plug