Valves by
Rowe or Precision Machining (Kibblewhite). Intake valves are made of 8645 heat treated valve steel and the exhaust valves are made of 21-2N heat treated non-magnetic stainless steel. These valves are available with the following stems and heads:
11-6003,11-6079,11-6033,11-6040,11-0804,11-6010,11-6080
Precision Machining
and
Rowe
 
(1) Roller Burnished Stem: Roller burnishing smooths the finest grind finish (16 microinch) to a 4 microinch.
(2) Melonite, Special Black Stem: This is a heat treating process developed and patented in Germany. Gives
the valve a Black Smokey look. Very hard and slippery. Currently being used on O.E.M. valves available in
Rowe or Black Diamond brands.
(3) Titanium Nitride Gold Coated Stem: Absolutely top of the line. Extremely hard and slippery. Gold in color,
known by the scientific abbreviation TiN, this is the same coating used on Carbide cutters for high heat applications.
(4) Razor Back by Kibble White are one piece forged EV-8 stainless steel, fully CNC machined with hard
chrome stems.
(5) Rowe Pro: Forged one piece stainless steel valve precision CNC machined. Features special black melonite
finish, swirl polished tulip area and heat treated water tip.
ROWE VALVES Kibblewhite
Forged & Shot Peened Head Fully Machined Head Stainless
Model
and
Year
Application Roller
Burnish
Stem (1)
Melonite
Special
Black
Stem (2)
Melonite
Special
Black
Stem (2)
Titanium
Nitride
Gold Coat
Stem (3)
Rowe
Pro
(4)
Black
Diamond™
Razor
Back
(5)
Ironhead
Sportster
1958-1969
Intake
18070-58
11-6003
$45.00
11-6079
N/A
Exhaust
18080-58A
11-6033
$39.00
11-6040
N/A
11-0804
N/A
11-6010
$39.00
11-6080
N/A
Ironhead
Sportster
1970-1984
Intake
18027-80
11-6034
$39.00
11-6041
$40.00
11-6076
N/A
11-6004
$39.00
11-6081
N/A
1/16” O.S.
11-6107
$46.00
Exhaust
18033-80
11-6033
$39.00
11-6040
N/A
11-0804
N/A
11-6010
$39.00
11-6080
N/A
1/16” O.S.
11-6108
$46.00
Ironhead Sportster XLR 1970-85 Intake
11-6006
$46.00
11-6082
$22.00
Exhaust
11-6013
$46.00
11-6083
N/A
Evolution 883cc 1986-2003 Intake 18031-86
11-6068
N/A
11-6109
$37.00
11-6091
$48.00
Exhaust 18030-86
11-6069
N/A
11-6110
N/A
11-6092
$47.00
Evolution 1100cc 1986 only Intake 18023-86
11-6005
$52.00
Exhaust 18024-86
11-0798
N/A
11-6012
$48.00
Evolution 1100cc 1200cc 1987-2003 Intake 18023-87
11-6065
$42.00
11-6070
N/A
11-6093
$46.00
Exhaust 18024-87
11-6066
N/A
11-6071
$47.00
11-6094
$38.00
Evolution 883cc 2004-up Intake 18053-04
11-6115
N/A
Exhaust 18059-04
11-6116
$44.00
Evolution 1200cc 2004-up Intake 18690-02
11-6117
$42.00
Exhaust 18691-02
11-6118
N/A
Conversion 883 to 1200 Evolution Intake
11-6072
$49.00
Exhaust
11-6073
$49.00
11-0642,11-0643,11-0787,11-0659,11-0789
Oversize Valve Seats can be used with unleaded gas.Replacement size is actual size of seat supplied by V-Twin Number. Stock size is noted as reference only.
Intake
VT No. Price Fits Stock Size
11-0642
$31.00 1957-69 1.690 Port Size
Replacement Size 2 x 1.687 x 9/32”
11-0643
$31.00 1970-85 1.650 Port Size
Replacement Size 2 1/16” x 1.687 x 9/32”
11-0787
$30.00 1986-up 1.815 x 1.398 x .384
Replacement Size 36.5mm x 47mm x
      10mm
Exhaust      
11-0659
$31.00 1957-85 1.405 Port Size
11-0789
$33.00 1986-up 1.579 x 1.107 x .340
Replacement Size 1 3/16” x 1 5/8” x 3/8”
Manley
11-9000,11-9034,11-9083,11-9080,11-9008
One Piece Valves
Manley Stainless Valve machined from 1-piece forging with a
swirl polished finish & chrome plated stem. Sold pairs.
VT No. Price Type Head Dia. Stem Dia. OEM
1970-1985
11-9000
$94.00 Exh. 1 9/16 stock .3385 stock 18080-58A
11-9001
N/A Exh. 1 5/8 .3385 stock 18080-60R
Note: Flatter head shape for street use.
11-9032
$94.00 is stock length from factory.
11-9002
N/A Exh. 1 3/4 .3385 stock None
11-9037
N/A Exh. 1 3/4 .3385 stock 18080-70R
Note: Steep tulip shape head for maximum flow on high rpm
engines.
11-9003*
N/A Int. 1 15/16 .309 stock 18080-65R
11-9032*
$94.00 Int. 1 15/16 stock .309 stock 18080-70
*Note:
11-9003
N/A is length of the “R” valves which is .080 longer
than
11-9032
$94.00        
1958-1969
11-9000
$94.00 Exh. 19/16 stock .3385 stock 18080-58A
11-9034
$105.00 Int. 113/16 stock .309 stock 18070-58
883 Evolution 1986-2003
11-9083
$102.00 Exh. 1.345 stock .3095 stock 18030-86
11-9080
$105.00 Int. 1.585 stock .3105 stock 18031-86
1200 Evolution 1988-2003
11-9008
N/A Int. 1.715 stock .3105 stock 18023-87
797

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