1951-59 Chevy, GMC Truck Rear Disc Brake Conversion Kit Proportioning Valves and Accessories 1955-59 Chevy GMC 2nd Series 3100 3200 3600 3800 Truck 9/16 (7/8 Hex)

9/16 (7/8 Hex)

Rubber front bushings are standard

• Limited Lifetime Warranty

1 9/16" diameter

unlike eccentric adjusters

1951-59 Chevy, GMC Truck Rear Disc Brake Conversion Kit Proportioning Valves and Accessories 1955-59 Chevy GMC 2nd Series 3100 3200 3600 3800 Truck 9/16 (7/8 Hex)Performance Online now offers you the option of upgrading the rear of your 1951 59 Chevy and GMC truck to match the front. These rear disc brake conversion kits are available for 6 lug bolt pattern and come standard with GM ratcheting calipers. Must be used on rearends that have bolt on backing plates. 11. 625" Rotor, 6x5. 5" Bolt pattern Replacement Pad Sku: D154