Chev SB 400 6-3/4" Harmonic Balancer Street Performance External Balance
Product Information
These dampers are 6.75" in diameter and approximately 1-1/8" thick. These are believed to be the only affordable dampers available in this size for externally balanced engines such as the 383 and 400 small block Chevy. Like all our Chevy dampers they have 60? degrees of timing marks. Suit SB Chev 400, External Balance, 6-3/4" O.D
