Either the heads or manifold to determine proper manifold width
Comes with front & rear presicion flanges, 2 sets of flange orings (1 for 1.600″, 1.700″ ports and 1 for 1.800″ ports) and one telescoping device for measuring
Designed to fit, engineered to last. Rivera Primo performance and aftermarket parts for Harley-Davidson motorcycles
Rivera Primo – American made pro clutches, belt drives and other custom parts for V-Twin motorcycles. Whatever it takes to keep your V-Twin bike on the road!
