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HPI Set Screw M4x4mm Proceed (4) (HPI Z721 | HPIZ721)

Model: HPI Z721
Dist. #: HPIC1721   SKU: HPIZ721

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Price:  $3.99

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Updated on Sep 27, 2025 11:22:04 AM

Set Screw M4x4mm Proceed (4)...
These are 4x4mm Set Screws by HPI.

FEATURES:
Steel Set Screws

CONSISTS OF:
Four 4x4mm Set Screws

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This is the Venom 7.4V 5000mAh 40C Hardcase LiPo Battery Pack with
the Venom Universal Plug System.

FEATURES:
Wired for balancing
Venom Universal Four Plug System permits connection between today's
    4 most typical battery plugs, Tamiya, Traxxas, Deans and EC3,
    simply connect desired plug to Venom plug on battery's wire leads

CONSISTS OF:
7.4V 5000mAh 40C Hardcase LiPo Battery Pack with Tamiya, Traxxas,
    Deans and EC3 Plugs

NEEDS:
LiPo capable charger such as the DuraTrax Onyx series
Charge Lead Banana Plugs with Deans Ultra Male (DTXC2221) if using
    Duratrax Onyx series
LiPo Balancer such as the Team Checkpoint Pro Car balancer (TCPP9150)

SPECS:
Configuration: TWO
Weight: 277g (9.8oz)
Measurements: 25 x 46.5 x 137.5mm (0.98" x 1.8" x 5.4")
Charge Rate: 3C (15A)
Continuous Discharge 40C (200A)
Minutes Discharge Volts Per Pack: 6.0V
Max Burst Rate: 80C (400A)
Max Volts Per Cell: 4.2V
Max Volts Per Pack: 8.4V

REMARKS:
CHECK OUT the ENTIRE instruction sheet consisted of with battery before usage
ALWAYS use a LiPo-approved Charger
ALWAYS use a LiPo Cell Balancer
NEVER Charge over 4.2V per cell
NEVER Charge at currents greater than 1C
NEVER Charge through the "To ESC or "RELEASE" lead
NEVER Trickle Charge
NEVER enable to Discharge listed below 2.5V per cell
NEVER dismantle or modify pack wiring in any way or leak cells
NEVER put on flammable products or leave ignored throughout
charging
ALWAYS charge in a fireproof location
ALWAYS set charger's output volts to match battery volts
CONSTANTLY keep out of reach of children

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Slipper Clutch Spring, 7X9x1.7Mm, 3 Coils, Bullet Mt/St

This is the Slipper Clutch Spring 7x9x1.7mm 3 Coils
For the HPI Racing Bullet Series

FUNCTIONS:
Black colored steel building

CONSISTS OF:
One spring

REMARKS:
The HPI Racing Bullet Series includes
Bullet ST Flux 2.4GHz RTR (HPID7008)
Bullet MT Flux 2.4GHz RTR (HPID7010)
Bullet ST 3.0 Nitro 2.4GHz RTR (HPID7004)
Bullet MT 3.0 Nitro 2.4GHz RTR (HPID7006)

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Spring, 13.5X63x1.2Mm, 11 Coils, Bullet Mt/St (2Pcs)

This is the Shock Spring 13.5x63x1.2mm 11 Coils
For the HPI Racing Bullet Series

FUNCTIONS:
Steel building

CONSISTS OF:
2 Shock Springs

REMARKS:
The HPI Racing Bullet Series includes
Bullet ST Flux 2.4GHz RTR (HPID7008)
Bullet MT Flux 2.4GHz RTR (HPID7010)
Bullet ST 3.0 Nitro 2.4GHz RTR (HPID7004)
Bullet MT 3.0 Nitro 2.4GHz RTR (HPID7006)

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Differential Gear Set, Bullet Mt/St

This is the Diff Gear Set
For the HPI Racing WRI and Bullet Series

FUNCTIONS:
Steel building
Fits the WR8 Flux, Bullet MT and ST Flux, Bullet MT and ST Nitro
Likewise fits all three transmissions of the D413 Buggy Set from Hot Bodies

CONSISTS OF:
2 big bevel gears
Four little bevel gears

REMARKS:
This differential gear set can be installed on
1/8 WR8 3.0 Ford Feast Rally Abu Dhabi RTR
1/10 Bullet MT Flux 2.4GHz RTR
1/10 Bullet ST Flux 2.4GHz RTR
1/10 Bullet MT 3.0 Nitro 2.4GHz RTR
1/10 Bullet ST 3.0 Nitro 2.4GHz RTR

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