1967-72 Chevy, GMC Truck Power Brake Conversion, Black Out 2.0 with Wilwood Master Cylinder 1965-70 Chevy Impala Belair Biscayne Suspension Parts KYB's Gas-A-Just higher gas pressure

KYB's Gas-A-Just higher gas pressure keeps tires glued to the road while its high strength

That is the beauty of the design

These bearings replace the original GM # 566023

3/4" - 36 input shaft

Bi-directional

1967-72 Chevy, GMC Truck Power Brake Conversion, Black Out 2.0 with Wilwood Master Cylinder 1965-70 Chevy Impala Belair Biscayne Suspension Parts KYB's Gas-A-Just higher gas pressureBlack Out 2. 0 power brake conversion with Wilwood master cylinder for the 1967 72 Chevy and GMC trucks is for those who want the best quality with an economic price. Kits use our standard proportioning valve (disc applications) These components add a nice professional detailed look to your classic truck. Improves stopping distances and driver performance. Works perfect for trucks with Chevy LS engine conversion.