4 Valve Cylinder Heads

Our Links

• Crazy Horse Speed Shop Frank Uses Old World Craftsmanship. Modern Technology. Space Age Materials. Also he too is a certified ASE Engine Machinist !!
• Dennis R. Thurlow 5-7 time landspeed records with ECTA 1st & 2 nd Dyno shoot outs using Black Widow Cams
• Flo Headworks My good friend of many years started porting cylinder heads for Harvey Crane Jr. The founder of CRANE CAMS
• Foster's Harley-Davidson HOME TO “DOC” GOODWIN’S AHDRA PRO-MODIFIED NATIONAL CLASS WINNER USING BLACK WIDOW CAMS
• Harman and Collins Motorcycle Cams High Performance Motorcycle CAMS the book is now in! A great book that was orginaly printed in 1968 is only 24.95 We purchased all assets from DEMA ELGIN in 1994-Craig is a former empolyee of Elgin Racing Cams and Dema wanted Craig to have these assets.
• High Performance Motorcycle Camshafts
• Jim Tunell @ Vision Grinding Quality Billet Cylinders
• Night Rider GREAT INFO FROM STEVE HE IS UP TO PAR WHEN IT COMES TO POWER!
• NOLOGY HI-OUT PUT PLUG WIRE THAT DELIVIER THE MAXIUM SPARK WE HAVE BEEN SELLING THESE WIRES FOR 15 YEARS AND IS THE ONLY PLUG WIRE THAT REALLY MAKES 3-4 HORSEPOWER AND TORQUE !!!!WE PROVED THAT IN STURGIS IN “97-8″ WITH OUR DYNO-JET 150
• S & S Cycle STROKER FLYWHEELS & CARBURATORS-EFI CONVERSIONS WE HAVE BEEN SELLING S & S PARTS FOR 3 DECADES AND RE-BUILDING ENGINE’S AS LONG
• S-A Racing Engines Steve @ S-A racing worked for 8 years with Jim Fuelling As well as having his expertise used in the devlopment of the legendary Thunder Heads With Gary Robbinson Steve also worked with See-Doo racing team as well as having worked with the Winston/Nextel c
• Simon's Competition AHDRA 2009 PRO STOCK WIN AND NEW SET MILE PER HOUR RECORD USING BLACK WIDOW CAMS