Machined from billet 6061 aluminum with square surfaces , these new cylinder head breathers for M- 8s from Feuling Parts ( Oceanside , California ) are designed to promote " excellent umbrella valve sealing " and feature longer main breather exit nipples with dual O-rings " to promote better
located on the inside floor and with ports chamfered on the internal diameter yet squared off on the exits to deter filling from splash oil , the design allows easy and , importantly , effective drainage . Anodized Feuling red , the kits include the billet breather housings , billet covers , breather filter elements , umbrella valves and quality hardware . " These breathers work ," says Feuling Parts CEO Luke Leatherman . " They seal well so that they hold an engine vacuum . Testing shown on a healthy engine will see 3-4 oz of oil in the sump and once the dipstick is removed another 3-4 oz will drain . For this test , no external venting can be used , meaning a sealed dipstick and trans cover must be used . " The factory plastic OEM breathers can be problematic , we find that the material easily distorts , especially after seeing excessive heat - then the internal umbrella valve struggles to seal , causing oil carry-over . Another issue found with the OEM breathers is cracked and / or broken exit nipples , which can be caused by heat distortion and / or improper fit and poor installation ."
FEULING PARTS Oceanside , California , USA Tel : 619 917 6222 info @ feulingparts . com www . feulingparts . com
Feuling Parts CEO Luke Leatherman : " The factory plastic OEM breathers can be problematic , we find that the material easily distorts , especially after seeing excessive heat - then the internal umbrella valve struggles to seal , causing oil carryover . These breathers are a stock replacement for M-8 engines on Touring and Softail models ."
breather system sealing ." Properly sized breather inlets and location can optimize engine breathing , and these unique Feuling Parts designs maximize breather volume and allow for easy serviceability . The breather bodies have multiple drain ports
These breathers are a stock replacement for M-8 engines on Touring and Softail models . Replacement rocker cover gaskets are separately available . These breathers come with a web-form extendable one-year warranty .
MIVV Pan America Muffler with ' Speed Edge '
Italian exhaust specialist MIVV has introduced a silencer that is designed specifically to complement the design lines of " Harley ' s massive maxi-enduro . It delivers increased performance , is lighter than the stock silencer it replaces and looks great - very much the kind of ADV style that is proving popular the world over . " Available in stainless steel and titanium , it easily replaces the stock silencer while maintaining full compatibility with the Euro 5 homologation of the ' 21 - ' 22 Pan America 1250 . Designed specifically to be both powerful and robust , it mounts as stock with choice of titanium or stainless steel with black finish ." MIVV ' s ' Speed Edge ' is a performance aesthetics design package that features a hexagonal design , allowing it to complement the Pan America ' s frame , with weight savings and improved engine performance , a removable dB killer and carbon end cap for both versions . MIVV says that its dyno testing ( complete graphs are available on the company ' s official website ) shows an increase in maximum power of + 2.10 hp at 9,200 rpm . The maximum torque rises by + 1.10 Nm at 8,000 rpm . The weight , compared to the stock silencer , is -1.40 kg ( -1.60 kg for the Speed Edge version in titanium ). Founded in 1970 , MIVV makes OEM and aftermarket exhausts production and sales of OEM and aftermarket exhaust systems in three factories for a totaling of 25,000 square meters ( 250,000 sq ft .) with 150 employees and revenues of over $ 20 million . Its products are distributed in over 50 markets worldwide .
MIVV S . P . A . Sant ' Omero ( TE ), ITALY Tel : + 39 0861 8120237 moto @ mivv . it www . mivv . com
48 AFTERMARKET MOTO DESIGN - APRIL 2023 www . AMDchampionship . com