Gearbox Upgrade Parts

Please press HERE for order information after selection made.

Note: Price below includes the parts only.  Shipping and handling will be extra.

When upgrading Marui AEGs, Systema's upgrade parts are one of the best choice if ultra high quality is required.  In terms of power, accuracy and durability, upgrade parts from Systema can make your AEG tops them all.  Their range of products are designed in highest quality and workmanship is second to none.  DEN Trinity Shop is pround to present Systema's products.		 Gear Set

Cylinder Set

Cylinder Head

Airseal Nozzle

Piston Head & Piston
 

 Sping Guide & Tappet Plate

Spring

Others

Sytema Full Tune Up Kit

Pursuit Design Inc. is another well known AEG upgrade parts manufacturer in Japan.  Their parts craftmanship achieves very high standard.  For spring alone, already 200,000 pieces are sold locally in Japan. 		 Spring

Most Airsofters should have heard KM products.  Their craftmanship is among the best in Japan. Their products means quality assurance.		 Reinforced Hop Bucking

Piston Heads

Cylinder

Cylinder Head

Nozzle

Spring

Other

K2 is a understated company which has excellent quality product with a low price.  Their product is rated highly in Japan bu you seldom see their advertisement.  This is a way to keep their cost down.		 Others
DEN Trinity Production DTP 7mm Bearing Gearbox
Classic Army Spring Set


Systema Gear Set
 
Model No. Product Name Suitable for Price US$
ZS-02-06 All Helical Gear Set I High Speed Gearbox Version 2 & 3
57
ZS-02-07 All Helical Gear Set II Standard Gearbox Version 2 & 3
57
ZS-02-08 All Helical Gear Set III Torque Up Gearbox Version 2 & 3
63
ZS-02-09 All Helical Gear Set IV Super Torque Up Gearbox Version 2 & 3
69.5
ZS-02-10 All Flat Gear Set I Standard Gearbox Version 2 & 3
45
ZS-02-11 All Flat Gear Set II High Speed Gearbox Version 2 & 3
48.5
ZS-02-12 All Flat Gear Set III Torque Up Gearbox Version 2 & 3
51.5
ZS-02-13 All Flat Gear Set IV Super Torque Up Gearbox Version 2 & 3
55
ZS-02-15
All Helical Gear Full Set I High Speed
(gear set, Poly Carbonate Piston & bearing bushings)		 Gearbox Version 2 & 3
84
ZS-02-16
All Helical Gear Full Set II Standard
(gear set, Poly Carbonate Piston & bearing bushings)		 Gearbox Version 2 & 3
84
ZA-02-04
All Helical Gear Full Set IV Ultra Torque Up
(gear set, Poly Carbonate Piston & bearing bushings)		 Gearbox Version 2 & 3
103
ZA-02-19
All Helical Gear Full Set V Infinity
(gear set, Poly Carbonate Piston & bearing bushings)		 Gearbox Version 2 & 3
109.5
ZA-02-24
All Flat Gear Full Set
(gear set, Aluminium Piston & bearing bushings)		 PSG1
103
ZS-02-20 All Flat Gear Set Standard Fa-Mas Only
48.5


Systema Cylinder Set
 
Model No. Product Name Suitable for
Price US$
ZA-03-05
Bore Up Cylinder Set G3A3, A4, SG1
57
ZA-03-09
Bore Up Cylinder Set SIG550
57
ZS-03-10
N-B Cylinder Set  M-16A1,VN
45
ZS-03-11
N-B Cylinder Set XM-177E2
45
ZS-03-12
N-B Cylinder Set MP5-A4,A5,SD5,SD6
45
ZS-03-13
N-B Cylinder Set AK-47,47S
45
ZS-03-14
N-B Cylinder Set G3-A3,A4,SG1
45
ZS-03-15
N-B Cylinder Set MP-K
45
ZS-03-16
N-B Cylinder Set PDW
45
ZS-03-17
N-B Cylinder Set MC51
45
ZS-03-18
N-B Cylinder Set SG550
45
ZA-03-22
Bore Up Cylinder Set PSG1
69.5
ZA-03-34
Bore Up Cylinder Set M16A2
57
ZA-03-38
Bore Up Cylinder Set M4A1
57
ZA-03-40 Bore Up Cylinder Set MP5A4, A5, SDs
57
ZS-03-44
Cylinder Set  Thompson
45
ZS-03-45
Cylinder Set P-90
52.5
AREA1000
A09
Teflon Cylinder M16 M-16A1,VN
8
AREA1000
A10
Teflon Cylinder XM XM-177E2
8
AREA1000
A11
Teflon Cylinder MP5 MP5-A4,A5,SD5,SD6
8
ZA-04-02
Bore Up Cylinder Type-1 XM-177ES,SG551
13
ZA-04-03
Bore Up Cylinder Type-2 MP5-A4,A5,SD5, 
SD6,MC51
13
ZS-04-16
N-B Cylinder Type-0 M16-A1,VN
,A2,G3-A4, 
SG1,SG550,AUG
10
ZS-04-21
N-B Cylinder  PSG-1
11

 


Systema Cylinder Head
 
Model No. Product Name Suitable for
Price US$
AREA1000
A05
Cylinder Head VER.II VER.II Mecha-Box
8
AREA1000
A06
Cylinder Head VER.III VER.III Mecha-Box
8
ZS-04-23
Cylinder Head VER.III VER.III Mecha-Box
14.5
ZS-04-44
Cylinder Head  Thompson
17


 


Systema Airseal Nozzle
 
Model No. Product Name Suitable for
Price US$
BNOZM4
Air Seal Nozzle (For bore-up cylinder set only) M16-A2
M4-A1
11.50
BNOZA1
Air Seal Nozzle (For bore-up cylinder set only) M16-A1,VN,
XM-177E2
11.50
BNOZP5
Air Seal Nozzle (For bore-up cylinder set only) MP5-A4,A5,SD4,SD6
11.50
BNOZG3
Air Seal Nozzle (For bore-up cylinder set only) G3-A3,A4,SG1,MC51
11.50
BNOZAG
Air Seal Nozzle (For bore-up cylinder set only) Steyr AUG
11.50
BNOZAK
Air Seal Nozzle (For bore-up cylinder set only) AK-47,47S
11.50
ZS-04-25
Air Seal Nozzle  M16-A1,VN,
XM-177E2
6.5
ZS-04-26
Air Seal Nozzle  MP5-A4,A5,SD4,SD6
6.5
ZS-04-27
Air Seal Nozzle  AK-47,47S
6.5
ZS-04-28
Air Seal Nozzle  G3-A3,A4,SG1,MC51
6.5
ZS-04-29
Air Seal Nozzle  MP-K,PDW
6.5
ZS-04-38
Air Seal Nozzle  Steyr AUG
6.5
ZS-04-40
Air Seal Nozzle  M16-A2,M4-A1
6.5
ZS-04-43
Air Seal Nozzle  Thompson, P90
8


Systema Piston Head & Piston
 
Model No. Product Name Suitable for Price US$
ZS-03-20
Silence Piston Head Gearbox Version 2
30
ZS-03-21
Silence Piston Head Gearbox Version 3
30
ZS-03-25
Silence Piston Head Steyr AUG/
SIG 550 or 551
30.5
ZA-03-41
Hard Recoil Set 
(Increase recoil & shooting realism, comes with M120 spring as well)		 Gearbox Version 2
50.5
ZA-03-42
Hard Recoil Set 
(Increase recoil & shooting realism, comes with M120 spring as well)		 Gearbox Version 3
50.5
ZS-04-31
Aluminium Piston Head with Bearing All AEGs
13
ZS-04-32
Silicon Piston Head with Bearing All AEGs
13
ZS-04-33
Aluminium Piston Head All AEGs
8
ZS-04-34
Silicon Piston Head All AEGs
8
AREA1000
A07
Aluminium Piston Head All AEGs
8
AREA1000
A08
Silicon Piston Head All AEGs
8
ZS-05-01
Poly Carbonate Piston Gearbox Version 2 & 3
22.5
ZS-05-02
Poly Carbonate Piston Only with Helical Gear Set
24.5
SP-003
Aluminium Piston Only with Helical Gear Set
34
ZS-05-03
Aluminium Piston PSG1
26
ZS-05-16
Aluminium Piston Gearbox Version 2 & 3
17



Systema Sping Guide & Tappet Plate
 
Model No. Product Name Suitable for Price US$
AREA1000
A02
Spring Guide Gearbox Version 2
8
AREA1000
A03
Spring Guide Gearbox Version 3
8
AREA1000
A04
Spring Guide PSG1
8
ZS-05-04
Spring Guide with Bearing Gearbox Version 2
13
ZS-05-05
Spring Guide with Bearing Gearbox Version 3
13
ZS-05-06
Spring Guide with Bearing PSG1
13
ZS-05-17
Sping Guide With Bearing  FA-MAS
15.5
ZS-05-07
Tappet Plate Version II Gearbox Version 2
12
ZS-05-08
Tappet Plate Version III Gearbox Version 3
12



Systema Spring
 
Model No. Product Name Suitable for Price US$
ZA-06-01 Telfon Taper Spring M90 All AEGs (exclude PSG1)
6.5
ZA-06-1J
Stainless Wire Spring 1J  All AEGs (exclude PSG1)
6.5
ZA-06-02 Telfon Taper Spring M100 All AEGs (exclude PSG1)
8
ZA-06-04 Telfon Taper Spring M120 All AEGs (exclude PSG1)
10.5
ZA-06-05 Telfon Taper Spring M130 All AEGs (exclude PSG1)
12
ZA-06-06 Telfon Taper Spring PSG1 160% PSG1
10
ZA-06-07 Telfon Taper Spring PSG1 200% PSG1
12
ZA-06-08 Telfon Taper Spring M140 All AEGs (exclude PSG1)
13
ZA-06-09 Telfon Taper Spring M150 All AEGs (exclude PSG1)
16.5
ZA-06-14 Telfon Taper Spring PSG1 300%  PSG1
19.5



Systema Others
 
Model No. Product Name Suitable for Price US$
AREA1000
A15
Oiless Metal Bushing All AEGs
8
ZA-05-14
Oiless Metal Bushing All AEGs
10.5
ZA-05-15
Bearing Bushing All AEGs
22.5
ZS-05-18
Systema Oilless Bushing and Reversal Stop Latch Thompson M1A1 & P90
17
SP001
Stainless Bushing PSG1 Only
17
ZS-07-01
Hop Bucking All AEGs
4
ZS-07-02
Shims All AEGs
1.5
ZS-07-05
Cylinder Grease All AEGs
10.5
ZS-07-06
Gear Grease All AEGs
6.5
ZA-07-24
Metal Hop-Up Unit set (All hop-up unit gears are included) M16A2 and M4A1
24.5
ZS-07-10
Spring Set Gearbox Version 2 & 3
3.5
ZS-07-11
Anti-reversal Latch Gearbox Version 2 & 3
6.5
ZS-07-12
Selector Plate M16 Series
6.5
ZS-07-13
Selector Plate MP5 Series
6.5
ZS-07-14
Selector Plate G3 Series
6.5
ZS-07-15
Low Resistance Switch Assembly Gearbox Version 2 Except XM177 & CAR-15
29
ZS-07-16
Low Resistance Switch Assembly XM177 & CAR-15
29
ZS-07-25
Systema Low Noise Grip End All M16 AEG
16.5


Systema Full Tune-Up Kit
Note: CL Custom Workshop is able to install the Full tune up kit for you before shipment.  Please state you would like to have the kit installed in the quote request.  Labour charge applies.
Model No. Product Name Content Price US$
FTK99-P90S
Expert Set M120S for P90 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD
SPRING GUIDE 
TAPER SPRING 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
168
FTK99-P90
Standard Set M100 for P90 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD
SPRING GUIDE 
TAPER SPRING 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
153
FTK99-18
Expert Set M120S for MP5 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD
SPRING GUIDE 
TAPER SPRING 
TAPPET PLATE 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
150.5
FTK-13
Professional Set M150 
for Steyr AUG		 GEAR SET
CYLINDER SET 
POLYCARBONATE PISTON 
SPRING GUIDE 
TAPER SPRING 
TAPPET PLATE 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
12V 500mAh BATTERY
196
FTK-20
Professional Set M150 
for M4A1		 GEAR SET
CYLINDER SET 
POLYCARBONATE PISTON 
SPRING GUIDE 
TAPER SPRING
TAPPET PLATE
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
12V 500mAh BATTERY
218.5
FTK-21
Expert Set M130 
for M4A1		 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD
SPRING GUIDE 
TAPER SPRING 
TAPPET PLATE 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
165.5
FTK-SR16
Professional Set M150 
for Knight's SR-16 M4		 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD
SPRING GUIDE 
TAPER SPRING 
TAPPET PLATE 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
184
FTK99-10
Professional Set M150 
for M16A2		 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD 
SPRING GUIDE 
TAPER SPRING 
TAPPET PLATE 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
180.5
FTK99-11
Expert Set M130 
for M16A2		 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD 
SPRING GUIDE 
TAPER SPRING 
TAPPET PLATE 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
165.5
FTK-12
300% Upgrade Set 
For PSG1		 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD
SPRING GUIDE 
TAPER SPRING 
TAPPET PLATE 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
188.5
FTK99-16
Professional Set M150 
for AK47		 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD 
SPRING GUIDE 
TAPER SPRING 
TAPPET PLATE 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
167
FTK-10
Expert Set M140
for G3 G3/SG1		 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD 
SPRING GUIDE 
TAPER SPRING 
TAPPET PLATE 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
165.5
FTK-11
Standard Set M120 
for G3 G3/SG1		 GEAR SET
CYLINDER
CYLINDER HEAD
PISTON WITH HEAD 
SPRING GUIDE 
TAPER SPRING 
TAPPET PLATE 
REVERSAL STOP LATCH
METAL BUSHINGS
SIMS
150.5



PDI Spring

  • All PDI Spring will have a upgrade fuse included
    • Model No. Product Name Suitable for
    Price US$
    PW003
    		120% Variable Pitch Spring All AEGs (exclude PSG1)
    14.50
    PW004
    		130% Variable Pitch Spring All AEGs (exclude PSG1)
    15
    PW005
    		140% Variable Pitch Spring All AEGs (exclude PSG1)
    15
    PW006
    		150% Pro Variable Pitch Spring All AEGs (exclude PSG1)
    15.50
    PW008
    		170% Variable Pitch Spring All AEGs (exclude PSG1)
    15.50
    PW0010
    		190% Pro Variable Pitch Spring All AEGs (exclude PSG1)
    17.30
    PW0011
    		210% Pro Variable Pitch Spring All AEGs (exclude PSG1)
    17.30
    PW0012
    		260% Pro Variable Pitch Spring All AEGs (exclude PSG1)
    23.10
    PW0013
    		280% Variable Pitch Spring All AEGs (exclude PSG1)
    25
    PW0014
    		300% Variable Pitch Spring All AEGs (exclude PSG1)
    28
    PW0016
    		180% Pro Variable Pitch Spring PSG1
    17.30
    KM Reinforced Hop Bucking
     
    Model No. Product Name Suitable for
    Price US$
    AEG060
    		Reinforced Hop-bucking 55 
    (Most durable hop-bucking in the market. Best for AEG upgraded to 330fps)    		 All AEGs
    22
    AEG070
    		Reinforced Hop-bucking 65 
    (Most durable hop-bucking in the market. Best for AEG upgraded to 400fps)    		 All AEGs
    22
    AEG010
    		Reinforced Hop-bucking 75 
    (Most durable hop-bucking in the market. Best for AEG upgraded to 450fps)    		 All AEGs
    25


    KM Piston Head
     
    Model No. Product Name Suitable for
    Price US$
    AEP051
    		Silicon Piston Head Gearbox Version 2 & 3
    11
    AEP052
    		Aluminum Piston Head Gearbox Version 2 & 3
    11

    KM Cylinder
     
    Model No. Product Name Suitable for
    Price US$
    AEGS08
    		TN Coated Inner Taper Cylinder MP5K, MP5KPDW
    22
    AEGS09
    		TN Coated Inner Taper Cylinder MP5s, MC51, XM177E2 & M4A1
    22
    AEGS10
    		TN Coated Inner Taper Cylinder AKs, G3s, Fa-Mas, M16A1 & A2s
    22


    Cylinder Head
     
    Model  Product Name Suitable for
    Price US$
    AEGSH1
    		TN Cylinder Head (Straight) Cylinder Head VER.II
    36
    AEGSH2
    		TN Cylinder Head(Taper) Cylinder Head VER.II
    36


     
     

    Nozzle
     
    Model    Product Name Suitable for
    Price US$
    AEGNA
    		TN Custom Metal Nozzle Type A MP5A4, A5, SD5, SD6, Fa-mas, M16A1, XM177E2
    14.5
    AEGNB
    		TN Custom Metal Nozzle Type B M4A1, M16A2, M4A1RIS, 
    SR16, PSG1
    14.5
    AEGNC
    		TN Custom Metal Nozzle Type C AK47, AK47S
    14.5
    AEGND
    		TN Custom Metal Nozzle Type D AUG
    14.5
    AEGNE
    		TN Custom Metal Nozzle Type E Thompson M1A1
    14.5
    AEGNF
    		TN Custom Metal Nozzle Type F MP5K, MP5K PDW
    14.5

    KM Spring
     
    Model No. Product Name Suitable for
    Price US$
    AEGS02
    		100m Spring All AEGs (exclude PSG1)
    8
    AEGS03
    		120m Spring All AEGs (exclude PSG1)
    11
    AEGS04
    		130m Spring All AEGs (exclude PSG1)
    12
    AEGS05
    		140m Spring All AEGs (exclude PSG1)
    14
    Other
     
    Model  Suitable for
    Price US$
    Inner Barrel Spacer All AEG Barrel Fixation
    6

     


    K2 AEG Parts
     
    Model No. Product Name Suitable for
    Price US$
    K2001
    		Oiless Metal Bushing All AEGs
    10
    K2002
    		Oiless Metal Bushing w Oil Channel All AEGs
    11


    DTP 7mm Bearing Gearbox
     
    Model Suitable for
    Price US$
    Marui Version Gearbox 2 with
    7mm Bearings 
    		Gearbox Version 2
    (Set includes modified Marui gearbox with 6 pcs of 7mm bearings)
    59
    Marui Version Gearbox 3 with
    7mm Bearings 
    		Gearbox Version 3
    (Set includes modified Marui gearbox with 5 pcs of 7mm bearings & 1 pc oiless metal bushings)
    59

    CA Spring Set
     
    Model  Suitable for
    Price US$
    Gearbox Spring Set 
    		Gearbox Version 2 & 3
    5.2
    To order, Terms and Conditions  Special OfferNew ReleaseAEGAirsoft Pistols and RevolversAIrsoft Rifles, Shotguns and SMGs
      CL Custom Complete Gun  CL Custom ServiceAccessoriesGearbox PartsBody GearsBBs/BatteryMagazines
    2nd Hand airsoft and Collector's Corner Gallery$ ConverterContact Us Customer's comment and seizure problemFAQMain page