S&S^® adjustable pushrod conversion kit for 1986-'90 HD^® Sportster^®. Kit includes four adjustable steel pushrods. These pushrods can be used in place of the stock, non-adjustable pushrods in stock as well as high performance applications and are made out of 7/16" O.D. chromoly steel tubing for strength and durability. Compatible with hydraulic and solid lifters. Fits engines with 4.650" (stock) cylinder length.