Wilwood Superlite Internal 4 Caliper- RH - 1.88" / 1.75" Pistons - 1.250" Rotor - 3.5" Mount AS05221 Fits GM Powerglide automatic transmissions

Fits GM Powerglide automatic transmissions with an aluminum case and forward or reverse valve body

The XStack™ 10 is a stack of 10 laminated Tearoffs that are 2 mil thick each

Gasket including Mr

3 in Front / 4 in Rear 2WD

Wilwood Superlite Internal 4 Caliper- RH - 1.88" / 1.75" Pistons - 1.250" Rotor - 3.5" Mount AS05221 Fits GM Powerglide automatic transmissionsFSLI4 and FSLI4 ST calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock pistons in the ST models. Differential piston bores compensate for leading edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock pistons in the ST models block heat transfer from the pads and reduce