519
CLASSIC
Replica Valves
Sifton
V-Twin
TM
Model and Year
Type
OEM
Nitrate
Steel
Steel
Nitrate
Steel
Chrome
Steel
Stainless
Nitrate
Steel
Stainless
Steel
Shovelhead
1966-83
Intake
18075-81
11-1136
11-0845
11-1132
Exhaust
18086-81
11-1135
11-0846
11-1133
Panhead
1948-65
Intake
18071-48
11-0624 11-9659
Exhaust
18082-57
11-1120
11-0661
11-0614 11-0632
11-9656
Intake
¹⁄₈
”
Oversize
11-9645
Exhaust
¹⁄₈
”
Oversize
11-0615
Shovelhead
1966-85
Intake
18074-66
11-1119
11-0664
11-0605 11-0630
11-0625
Intake
¹⁄₁₆
”
Oversize
11-9295
11-0606
Exhaust
18082-57
11-1120
11-0661
11-0614 11-0632
11-9656
Exhaust
¹⁄₈
”
Oversize
11-0615
Shovelhead Crane Chrome
Intake
18074-66
11-2000
Panhead 1948-65
VT No. Type
Head Dia. Stem Diameter OEM
11-9028 Intake
1³⁄₄ stock .3765 stock
18074-48
11-9011 Exhaust 1³⁄₄ stock .3745 stock
18082-57
Note: Ni is Nitrate finish.
Shovelhead 1966-85
VT No. Type
Head Dia. Stem Dia.
OEM
11-9012 Intake
1¹⁵⁄₁₆ stock
.3765 stock 18074-66
11-9013 Ni Intake 1¹⁵⁄₁₆ stock
.3765 stock 18074-66
11-9011 Exhaust
1³⁄₄ stock .
3745 stock 18082-57
11-9014 Ni Exhaust 1³⁄₄ stock
.3745 stock 18082-57
Valves by 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 stain-
less steel. These valves are available with the following
stems and heads:
(1) Racing by Kibblewhite Precision Machining feature
a sharper profile angle to maximize flow, 11-6015 has
2.00 head, 11-6016 has 1.812 head, 11-6017 has
1.780 head.
(2) Razor Back by Kibblewhite are one piece forged
EV-8 stainless steel, fully CNC machined with hard
chrome stems.
(3) Black Diamond: One piece stainless steel valve with
a stellite tip and black nitrone impregnated stem to
improve wear properties and reduce friction.
Manley’s “Street Master” intake and exhaust valves feature
stainless steel construction, chrome plated stems, hard tips,
smooth turned underhead angle and radius, forged combustion
dish and machined combustion face rim.
VT No. Type
Head Dia. Stem Dia.
OEM
Shovelhead 1966-85
11-9020 Intake 1¹⁵⁄₁₆” stock .3765 stock 18074-66
11-9021 Exhaust 1³⁄₄” stock .3745 stock 18082-57
Chromoly Valve Keys (Set of 8) for Pan/Shovelhead 1948-81.
VT No. 11-9614
KIBBLEWHITE
Model
and
Year
Application
Stainless
Black
Diamond
TM
(3)
Racing
Black (1)
Razor
(2)
11-6000
—
—
11-6007
—
—
11-6001
—
—
—
11-6015
—
11-6007
11-6017
11-6085
—
11-6016
—
11-6089
—
—
11-6090
—
—
Panhead
1948-1965
Shovelhead
1966
and
Later
Shovelhead
1981-84
Intake
18071-48
Intake
18074-66
Exhaust
Exhaust
18086-81
5/32” O.S.
Exhaust
18086-81
Intake
18075-81
1/16” O.S.
Stock Replacement Valve Seats for Big Twin models.
VT
No.
OEM Fits Type
11-0651 18018-66
Intake 1966-84
Nickel
11-0653 18017-66
Exhaust 1966-84
Nickel
11-0675 18050-36
Intake and Exhaust
Nickel
1936-47 Knucklehead
Note: For use with unleaded or leaded gasoline.
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
11-0641 1948-65
1.940 x 1.562 x .400
Replacement Size
2.016 x 1.635 x .453
11-0670 1966-84
2.132 x 1.752 x .400
Replacement Size
2.164 x 1.750 x .453
Exhaust
11-0641 1948-65
1.940 x 1.562 x .400
Replacement Size
2.016 x 1.635 x .453
Valve Seat
11-0641
Nitrate Steel
Steel
Chrome Steel Stainless Nitrate Steel
Manley Stainless Valve machined from
1-piece forging with a swirl polished finish
and chrome plated stem. Sold pairs.