Application A B C D E Input
Shaft
Spline
Output Shaft
Size (O.D.) Spline
TH350
  • 555-60300 & 555-60305
  • Chevy / BOP with
    6" Tailshaft
    27-11/16" 21-5/8" 20-3/8" 3-3/4" 19-1/8" 30 1.172" 27
    TH400
  • 555-60310 & 555-60315
  • Chevy / BOP with
    4" Tailshaft
    28-3/8" 24-5/16" 26-15/16" 4-1/4" 20" 30 1.375" 32
    TH700-R4
  • 555-60320
  • 1984-91 Chevy V8
    (except Corvette)
    30-3/4" 23-3/8" 22-1/2" 3-3/4" 20" 30 1.172" 27
    TH200-4R
  • 555-60306
  • All 27-11/16" N/A 27" 3-3/4" 19-1/8" 30 1.172" 27
    C4
  • 555-603401
  • With Pan Fill 30-19/32" 12-1/2" 18-1/8" 5-9/16" N/A 30 1.180" 28
    4L60E
  • 555-603010
  • 1996-Up Chevy V8
    (except Corvette & LS1/LS2)
    30-3/4" 23-3/16" 21-3/4" 3-3/4" 18-1/4" 30 N/A 27
    4L60E/4L70E
  • 555-603015, 555-603020, 555-603025 & 555-603026
  • 1998-Up Chevy V8
    (LS1/LS2-style)
    31-5/32" 23-9/32" 21-3/4" 3-3/4" 18-1/4" 30 N/A 27
    4L80E
  • 555-60325 to 555-60328
  • 4 x 4 29" 30-3/8" 26" N/A" 20 30 1.375" 31
    Standard 2WD 32-11/16" 30-3/8" 26" 4-1/4" 20 30 1.375" 31
    AOD
  • 555-603405
  • Small Block 30-3/8" 22-5/16" 20-3/16" 5-5/16" 19-9/16" 31 1.180" 28
    4R70W/4R75W
  • 555-603030, 555-603032, 555-603040 & 555-603042
  • Small Block 31-3/16" 23-5/16" 21" 5-5/16" 19-3/8" 35 1.180" 28
    727
  • 555-603420
  • Small Block 34-3/8" 23-3/4" 16" 2-3/4" 18" 24 N/A 30
    727
  • 555-603421
  • Big Block 34-1/2" 23-3/4" 16" 2-3/4" 18-13/16" 24 N/A 30