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Chevrolet Performance Supermatic 4L85E 4 Speed Automatic Transmission
This extreme duty Chevrolet Performance transmission is built by GM using their already heavy duty 4L85E transmission with the addition of extra clutch plates, increased fluid pressure, and a revised firm shift valve body. The Chevrolet Performance staff then took this transmission and validated it against their ZZ572/720 HP / 685 Ft. Lb. torque engine and found that they could not break it! This is a direct bolt-in for Gen I small blocks and all big blocks.
Features:
• Additional heavy duty clutch plates
• Direst bolt-on for small and big block Chevy engines
• Improved and revised valve body calibration
• Gear ratios: 1st 2.48, 2nd 1.48, 3rd 1.00, 4th .075
Warranty:
General Motors limited 12 Month warranty. Click on Document tab above for full details.
Note: Transmission does not include torque converter
Related Items:
GM Performance Trans Controller for Carbureted Engines
GM Performance Trans Controller for LS Engines
GM Performance Mounting Adapter Kit for GM LS engines
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