Allstar Performance SB Chevrolet Aluminum Crankshaft Hub Helmet & Gear Bag Helmet Bags Steel stops include a 9/16"

Steel stops include a 9/16" bolt and nut

ACCEL 300+ Professional Crimp Tool 170036 Heavy Duty

Includes 1-3/4" x

Bell / Zamp Helmets

Blue / Silver

Allstar Performance SB Chevrolet Aluminum Crankshaft Hub Helmet & Gear Bag Helmet Bags Steel stops include a 9/16"Designed 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