Transmission, GMPP SuperMatic 6L80-E 6-Speed Auto, 2400-2800 Stall

Developed with upgraded internal components, Chevrolet Performance’s SuperMatic 6L80-E six-speed automatic transmission offers an exceptional torque rating of 664 lb.-ft.—a 45-percent increase over regular-production versions of the six-speed automatic. A deep 4.02:1 first gear enables strong launch performance, while the 0.67:1 top gear supports balanced performance on the highway. It is designed for use with Chevrolet Performance’s LS and LSX crate engines, as well as LT1 and LT4 crate engines.

Additional highlights: • Electro/hydraulic controls with clutch-to-clutch shifting • Output torque rating: 650 lb.-ft. • Gear ratios: 1st: 4.02, 2nd: 2.36, 3rd: 1.53, 4th: 1.15, 5th: 0.85, 6th: 0.67 • Lightweight die-cast aluminum case contributes to dry weight of approximately 195 lbs. • Uses DEXRON VI premium fluid • Does not include dipstick • Includes truck-style production oil pan (use Shallow Pan Kit P/N 19418242 for increased ground clearance) • Includes production vent tube assembly • Kit includes controller and harness, with calibrations for street and track; harness also includes paddle-shift connection • Kit includes transmission bulkhead connector that supports aftermarket gear indicator displays, electronically controlled shifters and more • Chevrolet Performance-specific design includes provisions for an aftermarket transmission cooler, including -6 AN fittings