U.S. Seal Inc. - EOK "Serious about Seals"
Local tel: 810-385-9300, tollfree: 800-777-6974, fax: 810-385-9393
email: usseal@iwarp.net      

PROGRESSIVE LIST OF VALVE STEM SEALS BY VALVE DIAMETER

RUBBER - VSW TYPE

(UNLOADED MEASUREMENTS)
click on blue Seal for image

FITS                    
STEM                    
DIAM. O.D. STEM GUIDE TOTAL SEAL NBR POLY FKM TYPE POPULAR FIT
    DIAM O.D. HEIGHT WIDTH PART# PART# PART#    
                     
.177=4.5m   .133 .250 .327       VS-M325 VSW-NG SMALL VALVE
.177   .137 .276 .325 .346     VS-KA1308 VSW-NG SMALL VALVE
.177   .140 .280 .318 NA     VS-HOKT7 VSW-NG SMALL VALVE
    .156 .290 .316 .420     VS-Y31WG VSW-NG SMALL VALVE
    .162 .288 .333 .410     VS-HO2MLO VSW-NG SMALL VALVE
    .164 .291 .350 .395     VS-SZ05011 VSW SMALL VALVE
    .164 .300 .316 .425     VS-H1V VSW-NG SMALL VALVE
    .170 .294 .407 .333     VS-916V VSW-NG SMALL VALVE
.197=5m   .172 .293 .335 .406     VS-920V VSW SMALL VALVE
    .175 .299 .317 .430     VS-701MV VSW-NG SMALL VALVE
    .187 .293 .331 .422     VS-HO333 VSW-NG SMALL VALVE
    .193 .308 .320 .430     VS-HOKL4 VSW SMALL VALVE
.260 .472 .233 .407 .353 .529   VS-454P VS-454V VSW HONDA
    .234 .364 .310 .476   VS-569AP VS-569AV VSW-NG HONDA
    .235 .365 .322 NA   VS-570AP VS-570AV VSW-NG HONDA
    .240 .400 .374 .556     VS-KA016 VSW SMALL VALVE
.276=7m .500 .240 .450 .484 .668   VS-322P VS-322V RB GM 2.2L
.276 .500 .255 .485 .491 .679   VS-F30LP VS-F30LV RB FORD 3.0L LATE
.276 .493 .257 .430 .546 .653     VS-226V AR CHRY 3.3,3.8L 2000-ON
    .260 .417 .513 .630   VS-443P VS-443V RS MITS.,NISS, ISUZU 
.315=8m .465 .266 .463 .365 .718 VS-408 VS-408P VS-409V AR FORD 1.9L
    .275 .416 .498 .627   VS-446P VS-446V AR MITS.,NISS, ISUZU 
    .275 .445 .514 .658   VS-445P VS-445V AR MITS.,NISS, ISUZU 
.315 .472 .275 .433 .569 .657   VS-442P VS-442V RS NISSAN Z24
.315   .278 .534 .634 .702   VS-C87P VS-C87V RS NISSAN C8700
.318   .283 .447 .371 .612   VS-VO1P VS-VO3V RB VOLVO
.313 .493 .285 .430 .549 .648   VS-225P VS-225V AR CHRYSLER-2.2, 2.5L
.313 .500 .286 .465 .490 .668   VS-320P VS-320V RB GM 2.0, 2.2L, CUMMINS
.315 .530 .286 .497 .480 .663   VS-F30P VS-F30V RB FORD 3.0L
.315   .287 .442 .443 .715     VS-ME2V VSW-NG MERCEDES
.315 .500 .292 .460 .475 .633   VS-325P VS-325V RB GM 3.1, JOHN DEERE
.313 .480 .295 .455 .443 .614   VS-306P VS-306V RB GM 151
.342 .590 .297 .537 .557 .703 VS-117 VS-117P   2R CHEVY 283
.342 .500 .302 .433 .557 .628   VS-104P VS-104V RB FORD 3.8L
.343 .531 .303 .498 .488 .695 VS-408A VS-408AP VS-408AV 2R FORD 122,140
    .305 .460 .345 .600   VS-VO3P VS-VO3V RB VOLVO
    .307 .485 .480 .680   VS-303P VS-303V RS UNIVERSAL 
.343 .562 .307 .485 .484 .692 VS-304 VS-304P VS-305V RB GM S.B. LATE
.343 .625 .310 .590 .489 .783   VS-400P VS-400V RB FORD TRUCK EARLY
.343 .500 .314 .466 .462 .685 VS-304X VS-304XP VS-304XV 2R GM S.B.
.343 .562 .323 .510 .488 .689     VS-F2TZV RB FORD 429.460 LATE
.373 .640 .329 .569 .493 .740     VS-690V VSW FORD 6.9, 7.3L
.354=9m   .330 .438 .419 .700     VS-ME1EV VSW-NG MERCEDES
.354   .330 .438 .436 .625     VS-ME5V VSW-NG MERCEDES
    .334 .471 .471 .660     VS-KO4 VSW KOMATSU 6D140
.373 .625 .342 .546 .562 .784 VS-222 VS-222P VS-222V AR CHRYSLER 318,360
.373 .625 .345 .590 .457 .752   VS-296P   2R PONTIAC 350
.373 .625 .349 .590 .489 .795     VS-402V RB FORD TRUCK 6.6, 7.8L

ABBREVIATIONS

type/ style abbreviations    
  vsw rubber seal - ring or band at skirt, garter spring at chimney
  vsw-ng rubber seal - ring at skirt, no garter spring / ring at seal chimney
  rb rubber seal - metal band at skirt, ring at top of seal
  rs rubber seal - ring at skirt, garter spring at chimney, similar to vsw
  2r rubber seal - ring at skirt and chimney of seal
  ar all rubber positive seal