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Injora Stainless Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trai (Injora 4M-72SR | INJ4M-72SR)

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Model: Injora 4M-72SR
Dist. #: INJ4M-72SR   SKU: INJ4M-72SR

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South Jordan, UT
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Price:  $19.99

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Updated on Jan 17, 2026 10:35:47 PM

Stainless Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trai...
INJORA Stainless Steel Center Drive Shafts for 1/18 RC Crawler TRX4M High Trail K10 F150 (4M-72)
Suitable with:

1/18 TRX4M High Trail K10
1/18 TRX4M High Trail F150

Functions:

in phase design
D-Shaped and rounded rectangle holes design offer tighter connection to transmission and axles
Scale Joint and spline diameter size for reasonable appearance
Stainless-steel products,
Enhanced structure design for long-life resilience

Specifications:
Part Number: 4M-72
Product: Stainless Steel
Color: Silver
Weight: 23g (0.81oz)
Match For: TRX4M High Trail K10

Plan List:
2 * Drive Shafts

Regularly gotten with the item that you are currently reviewing.

59mm Long Threaded Oil Filled Shocks for 1/18 TRX4M (4M-42)

INJORA 59MM Longer Threaded Shock Absorber Oil Damper for 1/18 RC Crawler TRX4M Upgrade (4M-42)
Suitable with: 1/18 RC crawler TRX4M
Keep in mind:

The shock oil is not included!

Adjusting the nut ring to reduce the spring gives much better rebound capability.

Features:

Nylon Bottom Rod End

CNC machined Aluminum shock bodies

Two spring rates consisted of (0.45 0.5mm)

Telescopic design for optimum travel

Threaded shock bodies for fast pre-load modifications

Specifications:

Part Number: 4M-42

Color: Black, Red, Grey

Complete Length: 66mm (2.60in)

Prolonged Length (eye to eye): 59mm (2.32in)

Compressed Size (eye to eye): 42mm (1.65in)

Maximum Travel: 17mm (0.67in)

Spring Length: 45mm(1.77in)

Each Weight: 6g (0.21oz)

Springs:

Softer: Black, Wire size: 0.45mm

Stiffer: Silver, Wire size: 0.5mm

 

 

 

Want an additional excellent item to enhance the above mentioned item?

Stainless Steel High Clearance Links Set for 1/18 TRX4M High Tra

INJORA Stainless Steel High Clearance Chassis Hyperlinks Steering Link Set for 1/18 RC Crawler TRX4M Upgrade (4M-08 4M-57)
Only compatible with:1/18 TRX4M High Trail K10
1/18 TRX4M High Trail F150

How to use spacers:You can use the little spacers to extend the upper links to change the angle of your drive shafts and offer you a little bit more clearance.
I advise using 2 spacers on each upper link end.

Features:
Plastic rod ends
Brass link balls
Made from 304 stainless-steel for resilience at a more economical price
Bent links have higher clearance in climbing

Chassis Hyperlinks Specifications:
Part Number: 4M-08
Link Product: Stainless Steel
Rod Product: Plastic
Amount: 8PCS
Weight: 37g (1.31oz)

Steering Link Specifications:
Part Number: 4M-57
Link Product: Stainless Steel
Rod Product: Plastic
Amount:1PCS
Weight: 6g (0.21oz)

Want an additional excellent item to enhance the above mentioned item?

1.0 Plus Brass Beadlock Wheel for 1/24 1/18 RC Crawler SCX24 TRX

INJORA 1.0 Plus Brass Beadlock Wheel Rims for 1/24 1/18 RC Crawler SCX24 TRX4M FCX24 (W1107)
Note: These wheels are 1.1" and compatible with all 1.0" INJORA tires.
Compatible with: 1/24 1/18 RC Crawler SCX24 TRX4M FCX24
Functions:
Made from brass, 45g per wheel
These 1.0 plus wheels have to do with 1.1", bigger than 1.0 wheels
Deal extra weight at the lowest point of your lorry to assist take full advantage of stability
Larger wheels offer your lorry a more aggressive position and greater phase existence.
1.0 plus wheel will set you ahead of the curve with performance and looks
The black coating includes intense touch and much better looking, to prevent corrosion likewise

Specifications:
Part Number: W1107
Product: Brass
Offset: -3.75mm (-0.15in)
Outer Size: 27.9mm (1.1in)
Width: 13.5mm (0.53in)
Wheel Center: 7mm (0.28in)
Each Weight: 45g/pcs (1.59oz)

Plan List:
4 * RC Cars and truck 1.0" Plus Wheel Rim

Frequently Bought Together

Injora Stainless Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trai
+
Injora Coreless High Torque Micro Servo for 1/18 TRX4M (INJS11)
+
Injora 59mm Long Threaded Oil Filled Shocks for 1/18 TRX4M (4M-42) Red
This Item: Injora Stainless Steel Drive Shafts for 1/18 RC Crawler TRX4M High Trai
$19.99
Injora Coreless High Torque Micro Servo for 1/18 TRX4M (INJS11)
$55.99
Injora 59mm Long Threaded Oil Filled Shocks for 1/18 TRX4M (4M-42) Red
$28.99

Total Price: $104.97

Add All Three To Cart

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