Revolution Performance : New from the Plymouth , Wisconsin based manufacturer is its 55 mm intake manifold for 2017-2023 M-8 applications - described as the " ultimate cost-effective upgrade ," says Chief Sales Manager Jeff Meyer . " High flow means extra horsepower and torque just by bolting on our manifold ." Replacing the stock plastic design with the company ' s precision CNC-machined 356 T6 heat-treated cast aluminum upgrade will , on average , " boost your Harley ' s performance by a remarkable 3-4 % horsepower / torque by just bolting on our manifold . Pair our manifold with a simple tune and see 5-6 % horsepower / torque gain . Add our CNCported cylinder head package with the manifold and tune to see 12-14 % horsepower / torque increase "; www . revolution-performance . com
Kodlin USA : With designs by noted German customizer Fred Kodlin , Kodlin USA is a Morgan Hill , California based joint venture enterprise between former Custom Chrome and MAG / Kuryakyn man Holger Mohr and Kodlin ' s son Len ; www . kodlinusa . com
Horsepower Inc : The Indianapolis based manufacturer is still leading the way in performance V-twin products with an upgrade throttle body option for every model of fuel injected Harley-Davidsons . The newest upgrade is an OEM 45 mm replacement for 2001-2005 Big Twin / Twin Cams , with features including zinc coated throttle shaft , double sealed roller bearings and factory OEM bolt pattern . No dyno tuning or re-tuning required ; www . horsepowerinc . net
SBS Brakes : The Danish brake pads , rotors and clutch leader has recently been at the leading edge of embracing the new generation of forward-facing product initiatives that meet the ' Better Brakes ' regulations for reduced use of rare earth minerals and pollution production - and guess what ? The world didn ' t end , the sun still rose each morning and people still rode their bikes . The real shocker ? Not only less waste , but reduced heat , improved stopping distances and no great impact on brake pad pricing . Who ' d a thunk it ! www . sbs . dk
Puig USA : The Barcelona , Spain based manufacturer is best known for its dominant position in the European ' mainstream / metric ' motorcycle parts and accessory market . However , it also has a strong custom accessories program for Harley models and a fast growing model-specific line for the Pan America that leverages its ADV experience with BMW , Yamaha , Triumph , Honda , Ducati and Suzuki models ; www . puigusa . com
Progressive Suspension : Founded in 1982 by Don Rickard and Jay Tullis , Progressive Suspension recently celebrated its 40th anniversary and always was , and still is , respected for its R & D investments . Innovative features such as the IAS ( Inertia Active System ), a forerunner of the FST system that enabled shocks to automatically differentiate between low-speed chassis movements and high-speed wheel movement , have made Progressive a V- twin industry ' go-to ' brand ; www . progressivesuspension . com
34 AFTERMARKET MOTO DESIGN - MARCH 2024 www . AMDmag . com