Sonnax 45 Tooth Clutch Steels and Frictions for GM Powerglide and 6L80/90 Transmissions

Grooved Frictions and Wider Steels 

Upgrade for the GM Powerglide high clutch and also for GM 6L80, 6L90 transmissions with an aftermarket, 45-tooth, 4-5-6 clutch hub.