For coil springs with both shocks behind rear axle.
You will need to swap out your proportioning valve to disc/disc try 555-63025.
JEGS recommends a 1-1/8" large bore master cylinder like 555-631403 when adding disc brakes.
Fits small bearing rear ends 3-3/8" x 2", 3-1/2" x 2-3/8", & 3-9/19" x 2".
Does not fit S-10 Chassis, truck frames, or 14" rims.
Maximum diameter of 6.11" to fit rotor hat.
0.050" x 45° chamfer
2.786" max register axleKit Includes:

(1 Set) Loaded calipers Left/Right

(2) Hubless 10 Hole Rotors

(2) 10mm Brake Hoses

(2) 10mm Banjo Bolts

(4) 10mm Copper Washers

(6) 3/8-24 x 50 Bolts

(6) 3/8-24 Lock Nuts

(6) 20 x 10.5 x 2 Washers

(2) Brake Hose Clips

(1 box) Left & Right caliper brackets

(6) Shims

(2) Brake Hose Mounting Tabs

(2) Square Backing Plates/Axle FlangeFits:

1964-1972 Chevelle

1966-1969 LeMans, Tempest, GTO, Cutlass & 442

Does NOT fit:

1964-1965 LeMans, Tempest & GTO

1964-1972 Skylark & GS

1970-1972 LeMans, Tempest, GTO, Cutlass & 442

• (1 Set) Loaded calipers...
• (2) Hubless 10 Hole...
• (2) 10mm Brake...
• (2) 10mm Banjo...
• (4) 10mm Copper...

(1 Set) Loaded calipers...JEGS Performance Products