Pay in 4 interest-free payments of $43.75 Learn more
Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
improved throttle response and better fuel economy
These valve covers are TIG-welded and are manufactured to help eliminate distortion and ensure a perfect fit to help protect your valve covers and rocker arms
Provides very positive shifts for high performance street use or for competitive events
The gears are precision-machined from the highest quality aluminum silicon bronze alloy for maximum durability
Speedmaster has already done the work for you
GM Powerglide 10 Clutch Drum Assembly Kit improved throttle response and betterSpeedmaster hub and piston kits are engineered for enhanced Powerglide performance. With a 10 clutch drum system, these kits can hold 10 frictions and 10 Kolene steels, boosting the lockup surface to manage much higher torque than modified OE drums.
US$ 447.54
US$ 421.21
US$ 214.84
US$ 305.52
US$ 110.59
US$ 96.30
US$ 139.01
US$ 273.79
US$ 424.35
US$ 449.81
US$ 235.89
US$ 40.75
US$ 352.76
US$ 41.13
