Wilwood W4A User Manual
Page 2

Wilwood • March 2012 • 805 / 388-1188 • Fax 805 / 388-4938 • www.wilwood.com
7.09 (180,1)
MOUNT CENTER
LARGE
PISTON
SMALL
PISTON
DISC ROTATION
10.96 (278,4)
“E”
OUTSIDE RADIUS
2.09 (53,1)
MOUNT
HEIGHT
DISC/WHEEL CENTERLINE
TOP OF FRICTION MATERIAL
AND DISC O.D. TO BE FLUSH
DISC WIDTH
“B” MOUNT
OFFSET
“D1”
2.21 (56,3)
1.98 (50,3)
NOTE: RIGHT HAND, REAR MOUNT
CALIPER SHOWN-INLET FITTING: 1/8-27 NPT
DISC WIDTH
1.10 (27,9)
1.25 (31,8)
"B" MOUNT OFFSET
1.74 (44,9)
1.82 (46,2)
DISC
DIAMETER
12.19 (309,6)
12.72 (323,1)
12.88 (327,2)
13.06 (331,7)
14.00 (355,6)
14.25 (362,0)
14.75 (374,7)
15.00 (381,0)
"E"
OUTSIDE RADIUS
6.94 (176,3)
7.18 (182,4)
7.25 (184,2)
7.34 (186,4)
7.76 (197,1)
7.88 (200,2)
8.11 (206,0)
8.23 (209,0)
DIMENSION "D1" = (DISC DIAMETER/2) - 2.09 (53,1)
W4A CALIPER, MOUNTING DIMENSIONS:
.67
(17,0)
2.87 (72,9)
5.87 (149,1)
AXLE SET PART NO.
PAD TYPE/COMPOUND
150 - 9488K
6617 10 BP-10
150 - 9489K
6617 20 BP-20
W4A CALIPER, TYPE 6617 PAD DIMENSIONS AND ORDERING INFORMATION:
ORDERING INFORMATION, USER SERVICEABLE COMPONENTS:
CALIPER
SQ RING
BLEED SCREW
CROSSOVER
PAD RETAINER
BRIDGE WEAR
PART NO.
PISTON
KIT (4 PK)
KIT ( PK)
TUBE KIT (2 PK)
KIT (2 PK)
PLATE (EA)
120-9679
200-7521 (1.88”)
130-5100
220-6069
190-9875
180-9874
300-5876
200-7519 (1.62”)
120-9680
200-7521 (1.88”)
130-5100
220-6069
190-9875
180-9874
300-5876
200-7519 (1.62”)
120-9681
200-7519 (1.62”)
130-9873
220-6069
190-9875
180-9874
300-5876
200-7516 (1.38”)
120-9682
200-7519 (1.62”)
130-9873
220-6069
190-9875
180-9874
300-5876
200-7516 (1.38”)
120-10904-R/L
200-7514 (1.25”)
130-2479
220-6069
190-11508
180-9874
300-5876
200-7514 (1.25”)