Flathead engine Re-man here case work to complete engines. Custom cams on your good cam cores $525.00 Cams are pre ground and then welded with special materials and finished ground. New 45 performance cams some time this season ready for your winter time hop up! New UL80 flathead performance cams some time this season. Get a Deposit [...]

TWIN CAM GEAR DRIVE CAMS INSTALLED AT THE LOWEST PRICE IN THE STATE OF COLORADO SAVE UP TO $400.00   Sifton Motorcycle Products Inc.®Do to poor quality control was auctioned on Tuesday March 27, 2001 @ 11:00 A.M. As we purchased before auction all the Sifton Racing cam master plates, all blue prints, 5 test engines, [...]

BY LOOKING AT THESE TWO RECENT DYNO GRAPHS YOU EASILY SEE THE DIFERENCE BETWEEN THE TWO POWER CURVES (look at these very close and you can see the smooth continuous power curve of the BW-48) THERE ARE THOSE WHO SELL JUST PARTS AND THOSE WHO SELL PERFORMANCE. WE AT BLACK WIDOW CAMS OFFER TOP NOTCH INSTALLATION OF OUR CAMS AND TUNING [...]

      Dyno graphs supplied by- Salt Lake City H-D Mike Sullivan Race dept. WE HAVE BW-44 BW-47  BW-55  BW-62 USEING SAME secrets AS BW-230 XL CAM This dyno graph above shows just how fast BW-230 xl cams make power(the green line)Take in mine that this is using stock HD pipes with cross over 883to1200 the [...]

High Performance Motorcycle Cams The Book first published in 1968 A Harman & Collins Publication by James P. Petitti is now re-issued and ready for sale. This 100 page simple to understand book about basic engine performance. This is a great book for someone going from 2 stroke to 4 stroke. Book includes 2 decal [...]

Black Widow Cams possesses all the original Harmon & Collins roller masters along with the original Tom Sifton master cam collection and machines. Within the last 15 years, we have acquired over 1060 masters for both flat tappet-O.H.C. & roller. All of these masters were bought through private sale of owners of the former camshaft [...]