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Holley tach input ignition adapters are only used on applications using a CD box, such as an MSD 6AL, while not using timing control. They plug into the connector labeled "ignition" on the main harness. The loose yellow/black lead connects to the "Tach Out" terminal of the ignition box. Never connect this wire directly to the ignition coil.
Not Yet Reviewed
$23.66
On Sale
Compu-Fire tachometer adapters will restore accurate tach operation by supplying the correct triggering signal when using their ignition modules. They are easy to install.
Not Yet Reviewed
$45.60
$41.04
Dakota Digital offers CDI ignition tachometer adapters, which can be used for any aftermarket tachometer being installed in a 1985-87 Buick Grand National with a CDI-type ignition system. These adapters are quality-assembled, and act as a "buffer" for the connection between the tachometer and your CDI ignition.
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$28.50
On Sale
Holley EFI tachometer input ignition adapters are for applications using a CD Box, such as an MSD 6AL, while not using timing control. They're designed for use with Sniper 2 EFI systems and external ignition control boxes with tachometer signal output. Not for direct connection to coil.
Not Yet Reviewed
$28.01
$25.21
MSD tach drive adapters are designed to fit MSD distributors using the 3/16 in. tang drive cable. They are made of bronze, and feature a 0.104 inch square drive (Corvette style) drive cable end adapted to the 3/16 in. tang drive used on all tach drive MSD distributors.
( 13 )
$27.87
CA offers tachometer filters for a variety of applications, including many Chevy Corvette models from the 1970s, '80s, and '90s. These devices remove leading or trailing pulse signal interference for tach RPM gauges, preventing aftermarket instruments from acting erratically. They're recommended for vehicles with poor quality engine RPM pulse signals, single coil ignition systems, and point-style coil ignition systems. Each replacement filter is manufactured from factory materials and specifications to ensure proper fitment and performance. They meet or exceed OEM quality.
Not Yet Reviewed
$44.99
Eliminate tach signal noise and surges caused by your ignition system with OER tachometer filters. These components are recommended for vehicles running a tachometer designed for points-style ignitions for a crisp and cleaner signal and install between the tachometer and the ignition trigger source. The tach filters are designed to trap, redirect, and dissipate the high-voltage spikes and surges that are emitted by any late model, high-energy ignition system. The filters also modify the sharp up and down spikes into a semi-square wave signal for steady readings and faster pointer response.
( 2 )
$47.99
Longacre stepper motor tachometer filters prevent erratic gauge operation by filtering out dirty electrical interference from selected high-power ignition systems. Installing a tach filter will clean up the noisy/dirty signal and therefore smooth out the reading on the gauge.
Not Yet Reviewed
$56.99
Classic Instruments tachometer filters install between the tachometer and the ignition trigger source. They are designed to trap, redirect, and dissipate the high-voltage spikes and surges that are emitted by any late model, high-energy ignition system. The filters also modifiy the sharp up and down spikes into a semi-square wave signal for steady pointer readings and faster pointer response.
( 24 )
$34.89
Manufacturer Rebate
If your tachometer is functioning erratically, one cause may be a defective filter. AutoMeter tachometer filters will improve the unpredictable operation by removing interference and correcting weak or spiky pulse signals caused by points or noisy ignitions. Fix your tachometer's signal surges with replacement filters from AutoMeter.
( 8 )
$28.99
Racepak interface 7-pin cables are available in multiple lengths to extend analog and interface module connections on Racepak V300SD, V500SD and G2X Pro data loggers. They are made of high-quality materials to provide long-lasting durability and performance. If you need to extend your analog or interface connections, Racepak interface extension cables can make it happen.
Not Yet Reviewed
$28.01
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