Engine Harmonic Balancer Cover Fits SB Chevy using 6-3/4 Inch Damper Black Proform Engine Valve Lash Adjusting Wrench Set 12-Point Design For Better Finger

12-Point Design For Better Finger Grip

Use With A Max Spring Diameter Of 1

This main body does not have a passage to operate a vacuum advance

They are made from quality chrome moly steel

Engine Harmonic Balancer Cover Fits SB Chevy using 6-3/4 Inch Damper Black Proform Engine Valve Lash Adjusting Wrench Set 12-Point Design For Better FingerProform patented harmonic balancer covers offer improved readability, more stable Top Dead Center indication and timing accuracy, enhanced appearance for a previously ignored underhood area, and the elimination of timing tapes which are inevitably flung off. They are available in chrome and black, resulting in parts with the appearance of 200. 00 balancers. Each cover is distinctively marked with the famous Bowtie Emblem, Top Dead Center and the