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Cylinder Head and Valves

Triumph Speed Four · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · 90 parts · 2 on the shelf in Brea

Exploded parts diagram — Cylinder Head and Valves, Triumph Speed Four

Open this diagram in the interactive viewer → Click any callout on the drawing to jump to the part.

Motorcycles this catalogue covers

Speed Four
Choose your year

Our parts team checks fitment against your motorcycle before any order ships.

Every part on this diagram

1
T1152007
Cylinder head
Qty 1
If the last 6 of your VIN are 186150 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
1
T1152008
Cylinder head
Qty 1
If the last 6 of your VIN are 186151 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
2
T3331299
Screw, Pan/HD, Tx, M6 x 40, Slv
Qty 18
M6 x 40mm
Triumph has stock
$3.42
Order-in Ask the parts desk
3
T3330125
Screw, Torx
Qty 2
M6 x 60mm
No longer supplied by Triumph
$1.53
Not on our shelf Ask the parts desk
4
T3100015
Stud, Shld, M8 x 36.5, Slv, Enc
Qty 8
Low stock at Triumph
$2.53
Order-in Ask the parts desk
5
T1160890
Bolt cylinder head
Qty 10
Triumph has stock
$4.76
Order-in Ask the parts desk
6
T1150920
Cylinder head gasket
Qty 1
Triumph has stock
$95.04
Order-in Ask the parts desk
7
T3330571
Screw
Qty 1
M6 x 45mm
No longer supplied by Triumph
$15.50
Not on our shelf Ask the parts desk
8
T1260309
Seal, Cam Cover, Screw, Twin Lip
Qty 1
$5.39
In stock in Brea Ask the parts desk
9
T3000101
Dowel, Hollow, 8 x 14
Qty 20
Triumph has stock
$3.61
Order-in Ask the parts desk
10
T1130025
Valve exhaust
Qty 8
22.6mm
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
$61.60
On backorder Ask the parts desk
11
T1130024
Valve inlet
Qty 8
28.6mm
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
12
T1130400
Seal, 4mm Stem
Qty 16
Triumph has stock
$6.42
Order-in Ask the parts desk
13
T1130079
Thrust washer
Qty 8
Exhaust
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
14
T1130077
Thrust washer
Qty 8
Inlet
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
15
T1130832
Spring
Qty 8
Exhaust
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
16
T1130831
Spring outer
Qty 8
Inlet
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
17
T1130830
Spring inner
Qty 8
Inlet
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
18
T1130044
Retainer
Qty 8
Exhaust
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
19
T1130042
Spring retainer
Qty 8
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
20
T1130031
Collet, Valve, 4mm Stem, Thin
Qty 32
No longer supplied by Triumph → replaced by T1134444
No longer available
Not on our shelf Ask the parts desk
21
T1130019
Tappet
Qty 8
25mm
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
22
T1130026
Bucket, Tappet, Dia 28.5mm
Qty 8
Triumph has stock
$34.58
Order-in Ask the parts desk
23
T1130540
Shim, 1.700mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130542
Shim, 1.725mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130544
Shim, 1.750mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130546
Shim, 1.775mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130548
Shim, 1.800mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130550
Shim, 1.825mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130552
Shim, 1.850mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130554
Shim, 1.875mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130556
Shim, 1.900mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130558
Shim, 1.925mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130560
Shim, 1.950mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130562
Shim, 1.975mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130564
Shim, 2.000mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130566
Shim, 2.025mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130568
Shim, 2.050mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130570
Shim, 2.075mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130572
Shim, 2.100mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130574
Shim, 2.125mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130576
Shim, 2.150mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130578
Shim, 2.175mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130580
Shim, 2.200mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130582
Shim, 2.225mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130584
Shim, 2.250mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130586
Shim, 2.275mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130588
Shim, 2.300mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130590
Shim, 2.325mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130592
Shim, 2.350mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130594
Shim, 2.375mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130596
Shim, 2.400mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130598
Shim, 2.425mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130600
Shim, 2.450mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130602
Shim, 2.475mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130604
Shim, 2.500mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130605
Shim, 2.525mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130606
Shim, 2.550mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130607
Shim, 2.575mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130608
Shim, 2.600mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130609
Shim, 2.625mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130610
Shim, 2.650mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130611
Shim, 2.675mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130612
Shim, 2.700mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130613
Shim, 2.725mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130614
Shim, 2.750mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130615
Shim, 2.775mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130616
Shim, 2.800mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130617
Shim, 2.825mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130618
Shim, 2.850mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130619
Shim, 2.875mm
Qty -1
Triumph has stock
$9.43
Order-in Ask the parts desk
23
T1130621
Shim, 2.900mm
Qty -1
Low stock at Triumph
$9.43
Order-in Ask the parts desk
23
T1130622
Shim, 2.925mm
Qty -1
Low stock at Triumph
$9.43
Order-in Ask the parts desk
23
T1130623
Shim, 2.950mm
Qty -1
Low stock at Triumph
$9.43
Order-in Ask the parts desk
23
T1130624
Shim, 2.975mm
Qty -1
Low stock at Triumph
$9.43
Order-in Ask the parts desk
23
T1130625
Shim, 3.000mm
Qty -1
2.300mm
Low stock at Triumph
$9.43
Order-in Ask the parts desk
24
T1250140
Valve assembly
Qty 2
If the last 6 of your VIN are 199835 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
25
T1250141
Valve
Qty 2
If the last 6 of your VIN are 199835 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
26
T1250142
Valve seal
Qty 1
If the last 6 of your VIN are 199835 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
27
T1250143
O ring
Qty 2
If the last 6 of your VIN are 199835 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
28
T1250144
Screw
Qty 3
If the last 6 of your VIN are 199835 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
30
T3331191
Screw, Pan/Hd, Tx, M6 x 20, Enc
Qty 4
If the last 6 of your VIN are 199835 or higher
$1.95
In stock in Brea Ask the parts desk
31
T1250152
Solenoid valve
Qty 1
US CAL & DE Only
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
32
T1210534
Oil pipe assy
Qty 1
No longer supplied by Triumph
$85.25
Not on our shelf Ask the parts desk
33
T1210527
Switch oil pressure
Qty 1
* Part No Longer Available *
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
34
T3550547
Washer, Cu, OD19 x ID14.2
Qty 2
Triumph has stock
$4.00
Order-in Ask the parts desk
35
T1210240
Banjo Bolt, M10 x28
Qty 1
No date from Triumph yet
$12.20
On backorder Ask the parts desk
36
T3550546
Washer, Cu, OD 16 x ID 10.2/
Qty 2
Triumph has stock
$0.83
Order-in Ask the parts desk
37
T3990081
Gasket kit full
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
38
T3990086
Gasket kit cylinder head
Qty 1
Triumph has stock
$346.18
Order-in Ask the parts desk

Diagram and part data from Triumph’s own parts catalogue. Prices and availability are a dated snapshot, not a reservation. Fitment is Triumph’s data — send us the last six of your VIN if you want it checked before you order.

Southern California Motorcycles, 515 W Lambert Rd, Brea, CA 92821 · 714-256-6700

Triumph supply checked Aug 5, 2026 · Brea shelf Aug 18, 2026.