Santa Fe Springs , California based American Prime Manufacturing ( APM ) continues to add to its product offer - these performance replacement clutch packs for 1990 and later stock or slightly modified Harley models feature an extra plate . For 1990-1997 Big Twin and 1991-later XL models , the kit includes nine friction plates and eight tempered steel drive plates with 15 % stiffer diaphragm spring . For 1998-2017 EVO and Twin Cam models it includes nine friction plates , eight steel plates and the stiffer diaphragm spring with a pre-measured stack height . For 1998 to 2017 Big Twin and Twin Cams it includes nine Kevlar friction plates on 6061-T7 aluminum cores and eight tempered steel drive plates , without
Shovelhead manifold adapter rings the replacement spring . Aggressive materials and tougher springs make these clutch packs " way better than stock ," according to APM president Ben Kudon , and " ideal for modified or stock H-D models . For super modified applications , our Comp Master clutch is the way to go ." Also seen here , these APM ' EzyFit ' OEM replacement oil pump fittings are said to be " easy to install and turn , even in the tightest places on top of the oil pump . These fittings accept a 5 / 16 ” Allen wrench - no more custom wrenches , scraped knuckles , damaged fitting edges or leaky oil pump fittings ."
' EzyFit ' OEM replacement oil pump fittings
High performance extra plate kit - fits 1998 to 2017 Big Twin & Twin Cam
They feature fully machined oil passages for maximum oil flow and are precision-machined from solid brass and then show-chromed . Finally , APM Shovelhead manifold adapter rings " are the perfect solution to the age-old question of what to do if the O-ring style manifold is converted to the better sealing rubber band ? Our adapter rings are made of 30 % glass filled nylon and have a melting point of approx . 500 degrees F , with a tensile strength of approx . 29000 psi . " They are available individually or in pairs , are easy to install and are a perfect inexpensive fix to eliminate the manifold leaks that plagued the O-ring style manifolds for years ."
AMERICAN PRIME MANUFACTURING Santa Fe Springs , California , USA info @ apminc . us www . americanprimemfginc . com