Product Description Manifold for Panhead engines with o-ring style heads Manifold length between ports is 3.125" For cylinder length 5.517" plus or minus 3/16" S&S Cycle O-Ring Manifold at RevZilla Browse all RevZilla deals $214.95 Out of Stock Price checked 8 days ago Buy Now at RevZilla Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand S&S Cycle Size OS Condition New MPN 16-1103 S&S Cycle