Allstar Performance Aluminum Timing Pointer (For Use w/ #ALL90030 Aluminum Hub) 110005 place desired thickness of feeler

place desired thickness of feeler gauge between ground strap and electrode then gently turn the knob until feeler gauge is snug

4 volt li-ion batteries

Use a dark shield during the day and raise it to ride home at night without sacrificing protection

5/8-18 in Right Hand Male Thread

Chevy Corvette 2003

Allstar Performance Aluminum Timing Pointer (For Use w/ #ALL90030 Aluminum Hub) 110005 place desired thickness of feelerDesigned specifically for circle track racers, this SB Chevy aluminum crank hub is NOT a harmonic damper. Hub is significantly lighter than a harmonic balancer and dramatically reduces rotating weight for quicker acceleration off the turn. Hub has engraved timing marks at 0 and from 30 42, is 4 3 8" in diameter, features (3) 3 8" 16 accessory threads and weighs just one pound. Fits all internally balanced small block Chevy engines. Designed for