MSD - MSD RPM Module/Chip Tester 095 in Wall - Unwelded

095 in Wall - Unwelded - Steel - Natural - Chevy Monte Carlo 1983-88 - Kit

500 in Stroke - External Balance - Cast Iron - 2-Piece Seal - Oldsmobile V8 - Each

AN Wrench - Single End - 16 AN - Aluminum - Gold Anodized - Each

or any 2-bolt Hurst Pattern Stick

so the engine only needs to be started once to get the timing dialed in

MSD - MSD RPM Module/Chip Tester 095 in Wall - UnweldedIf you're using an MSD ignition box or rpm module, you need to have one of these rpm checkers. Each tester operates on a single 9 V battery and is simple to use; you just plug it into your MSD ignition box or rpm module and hold down the buttonthat's it. MSD rpm module testers are essential for any racing class with rpm limitations.