saved rides account profile my favorites my reviews address book email preferences cart 0 menu back to home shop by motorcycle s & s products mufflers & exhaust air cleaners carburetors & kits enginesperformance kits camshafts cylinders cylinder heads flywheels crankcases tappets pushrods throttle bodies rocker arms & covers valve spring kits oil pumps & cam plates pistons ignition electronics gearcovers oil & filters transmission clutch apparel & accessories s & s proven performance tech info instructions & data instruction sheets instructional videos engine owners manuals carb quick guide cam specs & overview pushrod adjustment special order forms s & s vintage forum tech tips general information carbs and fuel systems tech tips ignition tech tips lower end tech tips new engine installation tech tips oiling systems tech tips top end tech tips valve train tech tips sales questions calibrations & software protune ii power vision victory calibrations guardian dealer center dealer locator dealer training courses special order forms become a dealer application map policy catalogs dealer portal contact search see my saved motorcycles or select my ride select year select year select make select make select model select model motorcycle saved search search proven performance for the powersports industry get the right products based on your riding style and performance gain goals the biggest baddest bolt in engine . 165 horsepower 155 torque . the result of decades of riding racing and tuning . latest videossee more videos our history mama tried show 2016 project dragon 143 thank you from s & s cycle a passion for speed ... a history of proven performance founded in 1958 s & s cycle has been providing high performance motorcycle parts for harley davidson and other v twin motorcycles for over 55 years . starting with a simple offering of light weight pushrod kits the s & s motorcycle performance product line has grown to include exhaust systems camshafts carburetors fuel injection systems stroker kits big bore kits cylinder heads service replacement parts and complete motorcycle engines for both vintage and modern v twins . all made in the usa s & s has a rich history of drag racing and bonneville land speed racing . we have performance solutions for racers of all levels of competition . we also offer street legal emissions compliant performance products that allow our customers to legally enjoy more horsepower and torque almost anywhere in the world even californias & s has grown to be one of the most trusted and respected names in the v twin performance business . we ve been around a while and we intend to be here for the long haul . about the company history service and speed center manufacturing services emissions certifications engine rebuild program leadership connect with s & s contact event calendar careers performance times blog customer service exhaust disclaimer terms & conditions privacy policy return policy site map california customers 2016 s & s cycle . all rights reserved . call us 1 608 627 1497 follow us facebook questions feedback powered by olark live chat software