6L80E / 6L90E 1-2-3-4 Piston, Sonnax #104984-01 Replaces GM #24238700

GM 6L80/6L90 1-2-3-4 pistons commonly crack due to cantilevered stress on the cast material. The OE part has been through several revisions in an attempt to correct this, but all OE versions are still chronically known to crack. Sonnax 1-2-3-4 piston 104984-01 is made from stronger, billet aluminum and has superior design refinements that add additional strength […]


Transmission: C6 Level 4. Upgraded Red Clutches, Wide Black Band, Drums, Input Shaft, Low Drag / Wide Ratio gears, 9 1/2″ Converter, Cast Pan and Lever.

” Mega Dominator “ The Level 4 C-6 transmission comes with a high performance Fairbanks TransAction Kit, 2 Red Eagle Power Packs clutch sets in the forward and direct drums, Raybestos Black Carbon Fiber oversize Power Band and a Superior “R” billet Super Servo. The Superior C6 R Super Servo delivers positive 1-2 and 2-3 shifts. Also included is a Billet input […]

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