S&S Cycle 900-4320A Roller Rocker Arm Set For 1966-'84 HD® Big Twins Note pad Features pleated material around the

Features pleated material around the entire perimeter of the filter

11-14 FLSTN Softail Deluxe

NOTE: Super Stock heads will not work with S&S compression releases in a late model twin cam that has HD® ACR's already installed

S&S 8:1 compression forged pistons

S&S Cycle 900-4320A Roller Rocker Arm Set For 1966-'84 HD® Big Twins Note pad Features pleated material around theS&S Cycle 900 4320A 1966 '84 big twins SH Series engines. S&S rocker arms for shovelhead engines are machined from 8620 steel forgings and heat treated for maximum strength. The forgings are designed to eliminate stress points and provide the strongest, most durable rocker arm possible. These roller rocker arms also feature the exclusive . 750" long S&S rocker arm bushings, with 50% more load bearing surface than stock . 500" bushings. An oil passage