Tucker Powersport ' s Twin Power brand has introduced a line of one-piece floating brake rotors " which offer a traditional look , while delivering the performance benefits of a floating rotor brake setup . " The new Twin Power units are a perfect replacement for Harley-Davidson models equipped with original equipment floating rotors ," said Twin Power Brand Manager James Simonelli . " A floating rotor has the ability to conform to the brake pads , giving maximum rotor to pad contact . Floating motorcycle brake rotors lead to more consistent and predictable braking . The new Twin Power rotors use special mounting hardware which allows the rotors to ' float ' for improved braking performance . " These Twin Power rotors are known to be some of the highest quality products available and give builders , dealers and riders the look of a traditional brake rotor , with the performance of a race-bred , precision manufactured hi-tech set-up . The proprietary stainless steel friction surface is precision , double-disc ground and heattreated , while the edges are laser-cut , rather than stamped . " All machining is done to a tolerance of +/ - . 004 " with high-tech CNC equipment . The new rotors are developed for Twin Power by engineers who specialize in braking products and are manufactured in Spain ." Installation is hassle-free using new heavy-duty " floater " hardware that is included in the kit .
It ' s a direct bolt-on using stock or aftermarket calipers and will fit most 2014 and later Harley-Davidson models with five-bolt mounts . " Builders know that Twin Power delivers the highest quality rotors you can get . These one-piece units match great performance with classic looks on 2014 and later FLT models with five-bolt mounts ."
TUCKER V-TWIN Fort Worth , Texas , USA Tel : 817 258 9000 www . tucker . com / v-twin www . TwinPower-usa . com
Sport Style Screen for Pan America 1250
Feuling M-8 ' Gorilla ' Rocker Shafts
California based performance parts engineers Feuling wrote to AMD recently to tell us about its new ' Gorilla ' brand rocker shafts . " After having a rocker shaft failure road-racing our Milwaukee-Eight Road Glide at Laguna Seca in 2020 , we decided to design the best possible rocker arm shafts and create a method to tighten up excessive rocker arm end play to help reduce further cylinder head thrust wear ." An ambitious brief and a tough engineering challenge . Awesome if they can get it right , but if it was easy , everyone would be doing it , right ? Well , two years later and after more testing than you
Internationally recognized Spanish parts and accessory designer Puig ' s Sport screens are literally ' race-bred ' - Puig is the official windscreen technical partner to the all-conquering World Superbike Kawasaki Racing Team . Based near Barcelona , Puig has been designing , manufacturing and distributing motorcycle accessories since 1964 and these days exports to more than 60 countries . It specializes in using 3D simulation technology and a ' virtual wind tunnel ' as well as street and track aerodynamics testing . Its design principles are to match aesthetics and functionality in equal parts , so its parts enhance the look of the bike as well as improving ergonomics . These screens match the lines of the bike and " aerodynamically protect the rider by offering a clear and optimal field of view for relatively short trips or urban riding . " Available in various colorways , the compact dimension , slightly smaller than the original screen , provide the rider with remarkable protection and comfort , delivering improved stability and aerodynamics as well as delivering a sporty aesthetic without diminishing the rider ' s field of vision ." The lateral shapes act as deflectors that channel the airflow that enters from the sides , diverting it from the rider . Manufactured from 4 mm thick , high-end CN methacrylate ( PMMA / acrylic ), the finish includes rounded edges to comply with European safety standards . All Puig Sport screens ship with the aerodynamic study results extracted from the virtual wind tunnel testing process , comparing its screen with the original , so riders can see as well as feel the difference in real performance . Installation is said to be " simple and intuitive ."
PUIG / MOTOPLASTIC S . A . Granollers ( BCN ), SPAIN Tel : + 34 93 8490 633 info @ puig . tv www . puig . tv
could imagine , here ' s the ' skinny ' - " precisionground from 4140HT steel , gas nitrated and final surface treated , these shafts are designed with strength in mind . " They have over double the strength of the factory ( or our competitors ') shafts , and we can now fully recommend our ' Gorillas ' for all M-8 engines , and especially for engines running higher lift camshafts and heavier valve spring pressures ." Also seen here , Feuling says that its rocker shaft shims for M-8 engines will " help quiet your engine by tightening the rocker arm to cylinder head end play clearance . " We recommend an ideal side clearance of 0.035 - 0.005 for optimum rocker arm oil psi and noise reduction . M-8 cylinder heads also have excessive wear on the rocker arm standoff thrusting surfaces . " When a hardened shim like this is placed on the thrusting side , it will assist in reduction with further wear and reduce cylinder head damage risk ."
FEULING PARTS Oceanside , California , USA Tel : 619 917 6222 info @ feulingparts . com www . feulingparts . com
54 AFTERMARKET MOTO DESIGN - SEPTEMBER 2022 www . AMDchampionship . com