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Classic Instruments pull-up resistors are needed to enable their standard (non-ZST) tachometers work with your GM LS-Series engine. The pull-up resistor will boost the weak LS 4-cylinder signal to the tachometer to one it can recognize. Most stock ECM GM computers will require this part to function correctly with a standard tachometer.
( 1 )
$16.59
Irregular sparks emitting from your plugs could be a sign of ignition coils failing. Crown Automotive replacement ignition coils can end your stalling, starting, or misfiring issues. Your ignition parts are subjected to a lot of wear and tear, thanks to the intense electricity passing through them. If broken coils are not replaced, it can cause long-term damage to your car's engine and exhaust systems. Replacement components from Crown will boost your battery power and give you enough voltage to activate spark and keep your motor running.
( 5 )
$14.99
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$20.99
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