how is this item installed?

This is a sensor to send rotation speed of the front axle to the cruise control. A magnet (supplied with this item) is mounted to the axle rotates. This sensor/ coil is attached with a bolt thru the the center of the coil to the bracket short part of the 'L'. Then the 'L' bracket is attached to a housing bolt near the magnet. The the bracket is bent as needed to fit your vehicle so you may need a vise and good pliers or vise grip to custom fit.

Can it make a 4000ppm vss signal ?

I don't know the answer but you can contact Rostra Accessories at 800 782-3379 as they make after market cruise controls

is the pulse gen. that's currently on my van, at fault..?? Does anyone know what the resistance value of this component is..?? or continuity ??

I don't own that vehicle anymore so can't measure but all it is is a coil of wire. I'd suggest, unless it is visibly beat up or corroded, if it has continuity /under 1K (1000 ohms) it is likely ok. Be sure to check so you include the wire connection themselves. That would most likely place to corrode and open. Best wishes!

How many magnets go on the drive shaft? Is therw a better way to secure them than a zip tie?

One magnet goes on the driveshaft (although my kit came with three). If you use more than one, the controller will think you're going twice as fast. It is very small, so balance is not an issue. The zip tie it comes with is pretty good quality, but I agree; something other than plastic would be nice. If I lose mine, I will find some non-magnetic wire, and secure it with that. (Maybe that's why they send 3!) A blob of epoxy on a spot that's been sanded clean might work well, too (along with the zip tie).

Rostra 250 4165 Magnetic Vss Speed Pulse Generator Kit Audiovox

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🚀 Upgrade your ride with precision speed control—because every mile should feel effortless!

PLUG PLAY UPGRADE - Easily add cruise control functionality to your ride—cruise unit sold separately
VERSATILE VEHICLE FIT - Ideal for street rods, custom cars, motorcycles, and more—no VSS wire needed
DRIVE TYPE FLEXIBILITY - Supports both front and rear wheel drive vehicles plus motorcycles
PRECISION SPEED SIGNAL - Generates accurate speed pulses for flawless cruise control performance
UNIVERSAL COMPATIBILITY - Works seamlessly with Audiovox, Rostra, and SMS cruise control systems

The Rostra 250-4165 Magnetic VSS Speed Pulse Generator Kit delivers precise speed signals essential for cruise control systems. Compatible with select Audiovox, Rostra, and SMS models, it’s perfect for custom vehicles and motorcycles lacking a VSS wire. Supporting both front and rear wheel drive setups, this kit enables seamless cruise control integration, sold separately.

Specifications

ASIN	B0009GVUG8
Brand	Rostra
Brand Name	Rostra
Customer Reviews	4.6 out of 5 stars 94 Reviews
Item Dimensions	5.1 x 30.5 x 22.9 centimeters
Item Weight	12 Ounces
Item dimensions L x W x H	5.1 x 30.5 x 22.9 centimeters
Item weight	12 Ounces
Manufacturer	Rostra
Material	Metal
Material Type	Metal
Model	250-4165
Part Number	250-4165
UPC	725975207260 044476541650
Unit Count	1.0 Count
Unit count	1.0 Count
Warranty Description	1 yr warranty

Reviews

A**K

Works as it should, 1966 LeMans

Works great, easy to install on my 1966 Pontiac LeMans

27.08.2023

B**R

Must order with Rostra 250-1223 Universal Electronic Cruise Control if installing in older vehicles

Easy install and inexpensive. Necessary for pre-1987 vehicles to use with Rostra 250-1223 Universal Electronic Cruise Control.

6.07.2025

G**L

Just dial in your switches in the cruise control and you'll be good to go

You have to make your modifications here and there but it works perfectly. Just dial in your switches in the cruise control and you'll be good to go.

21.03.2018

D**.

Quick and easy install

A must for older non computerized cars. Good directions included.

13.05.2019

P**M

Good kit

I had troubles getting my cruise to connect to the LS swap 4L60e so I ordered this kit it works much better than it did when I had it connected to the 700R4 with a drive off the speedo gear on the transmission!

5.11.2023

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