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Xspurt 640cc High Resistance Fuel Injector

SKU:
INJXP640M_MZ0O
Quantity Unit Price (Inc GST)
1 + $92.50 ($106.38)
10 + $87.88 ($101.06)
20 + $83.25 ($95.74)
30 + $80.94 ($93.08)

Not sure you have the right injectors?

Try our brand new injector calculator

Click this banner or scroll down to our new Injector Calculator. 6 quick questions about your application and we will find you a set of flow-tested injectors, matched within 1% from our range in stock.

Not sure you have the right injectors?

Try our brand new injector calculator

Click this banner or scroll down to our new Injector Calculator. 6 quick questions about your application and we will find you a set of flow-tested injectors, matched within 1% from our range in stock.
$92.50 ($106.38) Excl. GST (Incl. GST)
Unit of Measure:
each
Purchase Increment:
1
Minimum Purchase:
1 unit
We ship worldwide at competitive pricing. Shipping calculated at checkout.

Frequently bought together:

Description

Xspurt 640cc High Resistance Fuel Injector

Dynamically flow tested in New Zealand by us, Motorsport Electronics (MSEL), so that your set of injectors is matched within 1% across the entire set.

  • These are a 58mm long body injector (3/4 length)
  • Full injector deadtime/battery compensation information is supplied with each set of injectors
  • Modern design offering extremely good idle control
  • Suitable for use with ethanol, methanol as well as most oil based fuels
  • Includes Injector Cap of your choice and USCAR electrical connector
  • Multi-hole spray pattern
View AllClose

Injector Calculator

MSEL Injector Calculator

Not sure what size injector you need?

Answer 6 quick questions and we will match you to a flow tested set of injectors from our range.

Takes less than a minute with in-stock results, all individually flow tested before shipping

Example Result - your results may vary
466 cc/minper injector
500 KW| 4 CYL| PETROL| NA| 4 BAR
  • Xspurt 1170cc Stubby
    RECOMMENDED
  • Xspurt 1000cc Stubby
    BORDERLINE
  • Bosch 1550cc Stubby
    OVER-SIZED
Step 1 of 4 — Engine
How many cylinders does your engine have?
cylinders
Step 2 of 4 — Fuel & Induction
What fuel are you running?
What type of induction does your engine use?
Step 3 of 4 — Pressure & Duty Cycle
What fuel pressure are you running?
bar

4.0 bar = 58 PSI

What is your maximum injector duty cycle?
%

ℹ We recommend a maximum below 80% to leave headroom for tuning. Different applications might want to see a lower duty cycle (ie 65%). This is best discussed with your engine builder and/or tuner.

What is your target lambda?
λ

ℹ Lower lambda = richer mixture = more fuel required. Default is set based on your fuel & induction selection. Adjust if you know your target.

Step 4 of 4 — Power Target
What is your target engine power?
—
cc/min
per injector
× cylinder
Calculation Inputs
Cylinders —
Fuel —
Induction —
Fuel Pressure —
Max Duty Cycle —
Target Lambda —
Target Power —
Injector Flow @ 4.0 bar Duty Cycle Status
⚠ Fitment Note: Before purchasing, please confirm that the injector body length (Stubby / Medium / Long / Full) and electrical connector type are compatible with your engine's fuel rail and wiring harness. Consult your engine builder or tuner if unsure.

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