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25" for inlet
one for flat tappet or hydraulic cams
4038 - 1964-1972 A-Body Lower Control Arms- Poly/Roto-Joint
Recommended for all high flowing
Manufactured from low-deflection 88-durometer polyurethane
RPM SIGNAL ADAPTER FOR DISTRIBUTORLESS IGNITIONS f body 25" for inletThis fully potted, weatherproof module can be wired into the power supply of a coil per cylinder ignition system, where it senses current and creates a conventional 12V square wave signal output which can be utilized by AutoMeter tachometers and many aftermarket RPM activated devices. Ideal for vehicles with late model engine swaps and applications where conventional tachometer signals are not available.
