Stock Car Products - Stock Car, Circle Track And Oval Track Racing Parts, Components And Accessories For Late Models, Hobby Stocks, Street Stocks, Mini Stocks, NASCAR, IMCA, ARCA

Stock Car Products - Stock Car, Circle Track And Oval Track Racing Parts, Components And Accessories For Late Models, Hobby Stocks, Street Stocks, Mini Stocks, NASCAR, IMCA, ARCA

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Sway Bar Rate Charts

This chart covers the 37 1/2” long sway bars most commonly used in stock car applications The diameter is listed on the left side of the chart. The sway bar arm lengths (centerline of the sway bar to centerline of the arm link) are listed across the top. Values are calculated at 5 degrees of twist on a sway bar tester.

37 1/2" X 1 1/4" -  49 Spline Solid Sway Bars
 
8"
8 1/2"
9"
9 1/2"
10"
10 1/2"
11"
11 1/2"
12"
12 1/2"
13"
13 1/2"
14"
14 1/2"
15"
3/4"
123
116
109
104
99
93
90
85
82
79
75
73
70
68
66
13/16"
160
151
142
135
129
122
117
111
107
103
98
95
92
88

85

7/8"
206
195
182
173
166
157
150
143
137
132
126
122
118
113
110
15/16"
263
249
233
222
211
200
192
182
175
169
161
156
151
145
140
1"
320
303
284
270
257
243
233
222
213
206
196
190
184
176
171
1 1/16"
389
368
344
328
313
296
283
269
259
250
239
231
223
214
208
 
1 1/8"
460
435
408
388
370
350
335
319
307
295
282
273
264
254
246
1 3/16"
546
516
484
460
439
415
398
378
364
350
335
324
313
301
292
1 1/4"
617
584
547
520
497
470
450
428
411
396
379
366
354
340
330
1 5/16"
734
691
652
318
587
559
534
510
490
470
452
435
420
405
392
1 3/8"
864
812
768
727
691
658
628
601
576
553
532
512
494
477
461
1 7/16"
1000
941
889
727
800
762
727
696
667
640
616
593
572
552
534
1 1/2"
1140
1073
1013
960
912
869
829
793
761
730
703
676
653
629
609

37 1/2" x 1 1/4" - 49 Spline Hollow Sway Bars

 
8"
8 1/2"
9"
9 1/2"
10"
10 1/2"
11"
11 1/2"
12"
12 1/2"
13"
13 1/2"
14"
14 1/2"
15"
.91" 127 120 113 107 102 97 93 88 85 82 78 75 73 70 68
.94" 160 151 142 135 129 122 117 111 107 103 98 95 92 88 85
.97" 191 181 170 161 154 146 140 133 128 123 118 114 110 106 102
1.0" 226 214 200 190 182 172 165 156 150 145 139 134 130 124 121
1.03" 257 243 228 217 207 196 188 178 171 165 158 153 148 142 137
 
1.06" 296 280 262 249 238 225 216 205 197 190 182 175 170 163 158
1.09" 331 314 294 280 267 252 242 230 221 213 204 197 190 183 177
1.12" 379 358 335 319 305 288 276 262 252 243 232 225 217 209 202
1.15" 426 403 377 359 343 324 310 295 284 273 261 253 244 235 227
1.18" 464 439 411 392 374 353 339 322 310 398 285 275 266 256 248
 
1.21" 510 482 452 430 410 388 372 353 340 328 313 303 293 281 273
1.25" 553 523 490 466 445 421 403 383 369 355 339 328 317 305 295
1.31" 704 666 624 594 567 536 514 488 470 452 432 418 404 388 376
1.38" 829 784 734 699 667 630 604 574 552 532 509 492 475 457 443
1.44" 893 845 791 753 718 679 651 619 595 573 548 530 512 492 477
1.50" 957 905 848 807 770 728 698 663 638 615 588 568 549 528 511
 

37 1/2" X 1" - 48 Spline Solid Sway Bars

 
8"
8 1/2"
9"
9 1/2"
10"
10 1/2"
11"
11 1/2"
12"
12 1/2"
13"
13 1/2"
14"
14 1/2"
15"
3/4" 110 104 97 93 89 84 80 76 73 71 68 65 63 61 59
13/16" 149 141 132 125 120 113 108 103 99 95 91 88 85 82 79
7/8" 193 182 171 163 155 147 141 134 129 124 118 114 111 106 103
15/16" 237 224 210 200 191 180 173 164 158 152 146 141 136 131 127
1" 276 261 244 233 222 210 201 191 184 177 169 164 158 152 147
 
1 1/16" 334 316 296 282 269 254 244 232 223 215 205 198 192 184 179
1 1/8" 393 372 348 331 316 299 289 272 262 252 241 233 225 217 210
1 3/16" 447 423 396 377 360 340 326 310 298 287 275 265 257 246 239
1 1/4" 519 491 459 437 417 395 378 359 346 333 318 308 298 286 277

 

SCP Tech Index

Sway Bars