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(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 appli-
cations.
(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.
Valves by
and
Model
Melonite Melonite Titanium Rowe
and Application Roller Special Special Nitride Pro Black Razor
Year
Burnish Black Black Gold Coat (4) Diamond
TM
Back
Stem (1) Stem (2) Stem (2) Stem (3)
(5)
ROWE VALVES
Forged & Shot Peened Head Fully Machined Head
Stainless
Ironhead
Sportster
1958-1969
Ironhead
Sportster XLR
1970-85
Evolution
883cc
1986-2003
Evolution
1100cc
1986 only
Evolution
1100cc 1200cc
1987-2003
Evolution
883cc
2004-up
I nt ake
18 02 7- 80
E xhau st
18 02 4-8 6
I n t ake
1 80 70 -58
Exh aust
1 80 33 -80
I n t ake
1 80 23 -86
I n t ake
1 80 23 -8 7
Exh aust
1 80 80 -58 A
1/ 1 6" O. S .
1/ 16 " O .S .
I nt ake
Exh aust
E xhau st
18 03 0-8 6
E xha ust
18 05 9- 04
I nt ake
18 05 3-0 4
E xha ust
18 69 1- 02
I n t ake
1 80 31 -86
Ex hau st
1 80 24 -8 7
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:
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. Fits
Stock Size
11-0642 1957-69 1.690 Por t Size
Replacement Size 2 x 1.687 x 9/32"
11-0643 1970-85 1.650 Por t Size
Replacement Size 2 1/16" x 1.687 x 9/32"
11-0787 1986-up 1.815 x 1.398 x .384
Replacement Size 36.5mm x 47mm x
10mm
Exhaust
11-0659 1957-85 1.405 Por t Size
11-0789 1986-up 1.579 x 1.107 x .340
Replacement Size 1 3/16" x 1 5/8" x 3/8"
I n t ake
1 86 90 -02
Exh aust
In t ake
Kibblewhite
Ironhead
Sportster
1970-1984
Evolution
1200cc
2004-up
Conversion
883 to 1200
Evolution
Manley Stainless Valve machined from 1-piece forging with a
swirl polished finish & chrome plated stem. Sold pairs.
VT No. Type Head Dia. Stem Dia. OEM
1970-1985
11-9000 Exh. 1
9
/
16
stock .3385 stock 18080-58A
11-9001 Exh. 1
5
/
8
.3385 stock 18080-60R
Note: Flatter head shape for street use.
11-9032 is stock length from factory.
11-9002 Exh. 1
3
/
4
.3385 stock None
11-9037 Exh. 1
3
/
4
.3385 stock 18080-70R
Note: Steep tulip shape head for maximum flow on high rpm
engines.
11-9003* Int. 1
1 5
/
1 6
.309 stock 18080-65R
11-9032* Int. 1
1 5
/
1 6
stock .309 stock 18080-70
*Note: 11-9003 is length of the R" valves which is .080 longer
than 11-9032.
1958-1969
11-9000 Exh. 1
9
/
1 6
stock .3385 stock 18080-58A
11-9034 Int. 1
13
/
16
stock .309 stock 18070-58
883 Evolution 1986-2003
11-9083 Exh. 1.345 stock .3095 stock 18030-86
11-9080 Int. 1.585 stock .3105 stock 18031-86
1200 Evolution 1988-2003
11-9008 Int. 1.715 stock .3105 stock 18023-87
One Piece
Valves