• Installation of this kit should ONLY be performed by individuals experienced in the
installation and proper operation of disc brake systems. Prior to any attempt to install this kit, please check the following to ensure a trouble free installation.
• Inspect the contents of this kit against the parts list to ensure that all components and
hardware are included.
• Make sure this is the correct kit to fit the exact make and model year of your axle. This
kit is designed for direct bolt-on installation to 1965 through 1982 model year Chevrolet Corvette.
• Verify your wheel clearance using Figure 2.
•Verify the factory hub stud pattern matches the hat in this kit.
Disassembly • Disassemble the original equipment front brakes: Raise the front wheels off the ground
and support the front suspension according to the vehicle manufacturer’s instructions.
• Remove the wheel. From the inside of the caliper, remove the two caliper mounting bolts,
then remove the caliper. Remove the rotor. Remove the dust shield and the caliper bracket by first removing the three bolts. It will be necessary to remove the hub assembly in order to remove the dust shield without damage. If the dust shield will be discarded, it can be cut and bent over the hub after removing the bolts.
• Clean, de-grease the stock spindle while removing any nicks or burrs.
CENTER LINE OF WHEEL
.50 (12,7) RADIUS
.06 (1,5)
3.60 (91,4)
4.94
(125,5)
7.92
(201,2)
.20
(5,1)
CALIPER
WILWOOD ROTOR
WHEEL MOUNT SURFACE
NOTE: A MINIMUM OF .080” CLEARANCE MUST BE MAINTAINED BETWEEN THE WHEEL AND CALIPER IN ALL AREAS
1.25 (31,8) ROTOR THICKNESS
2.81 (71,3)
CENTER REGISTRATION
Figure 2. Wheel Clearance Diagram
General Information and Disassembly Instructions
Parts List
1 2 3 4 5 6
6A
7 8 9
10
11
12 13 14 15 16
16A
17 18 19 20 21 22
2 2 2 2 2 2 2 2
24 24
4 2 4 4
20
4 2 2 4 4 4 4
16
1
249-10622/23 230-10408 230-10627 240-11102 230-0819 160-8398/99 160-8396/97-BK 170-10620 230-11240 230-6737 300-8359 250-9840 230-10425 240-11101 240-1848 240-3902 120-11778/79-BK 120-11778/79-RD 230-9183 240-10190 230-9079 300-9491 240-1159 150-8855K
Bracket, Spindle Mounting, Flat Bolt, 11/16-16 x 1.00 Long, Torx FHCS Bolt, 1/2-20 x 2.50 Long, HXHD Washer, .515 I.D. x .875 O.D. x .063 Thick Nut, 1/2-20, Hex Rotor, GT 1.25” Thk x 14.00” Dia, 12 x 8.75” Bolt Circle, (one each, right and left) Rotor, Black SRP Drilled and Slotted (one each, right and left) Hat, 5 x 4.50/4,75, 1.62 offset, 12 x 8.75 Bolt Circle Washer, .265 I.D. x .500 O.D. x .063 Thick Bolt, 1/4-20 x 1.00 Long, 12 Point Sleeve, .437 I.D. x .479 O.D. x .500 Long Bracket, Caliper Mounting Bolt, 7/16-20 x 1.50 Long, Hex Head Washer, .453 I.D. x .750 O.D. x .063 Thick Washer, .441 I.D. x 1.003 O.D. x .030 Thick Washer, .441 I.D. x 1.003 O.D. x .016 Thick Caliper, Superlite 6R (one each, right and left) Caliper, Superlite 6R, Red (one each, right and left) Nut, 3/8-24 Self-Locking Hex, 12 Point Washer, .391 I.D. x .625 O.D. x.063 Thick Stud, 3/8-16 x 3/8-24 x 3.15 Long (pre installed in bracket) Spacer, .470 Long Shim, .035 Thick Pad, BP-10 Compound, Axle Set
ITEM NO.
PART NO.
DESCRIPTION
QTY
NOTES: P/N 230-4572 Rotor Bolt Kit, includes part numbers 230-6737 and 240-11240
P/N 230-10626 Bracket/Spindle Bolt Kit, includes part numbers 230-0819, 230-10408, 230-10627 and 240-11102 P/N 230-10625 Bracket/Bracket Bolt Kit, includes part numbers 230-10425, 240-1848, 240-3902, 240-11101 and 300-8359 P/N 250-10633 Caliper Bracket Kit, includes P/N’s 230-9183, 230-9079, 240-1159, 240-10190, 250-9840 and 300-9491 Item 6A is an optional item and included with the “-D” kits. Add”-D” to end of part number when ordering. Item 16A is an optional item and included with the “R” kits. Add “-R” to end of part number when ordering
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