Horsepower Websites
MacDizzy's Two Stroke Technology Exchange - TRX - YFS - YFZ - Glamis Sand Dunes
Two Stroke Engine Technology Database, Large Two Stroke engine building / porting section. Visit the Glamis Sand Dunes and see the TRX250R, LT80's YFS200's (Blaster's) and Banshee's (YFZ350's) in action.
509,996 
$ 1,440.00
GMT400 - The Ultimate 88-98 GM Truck Forum
GMT400 is a forum for discussing stock and custom 1988 to 1998 GM Chevy GMC trucks. Technical articles, projects, offroading, street trucks, air bags, horsepower.
1,137,719 $ 720.00
Schnitz Motorsports, Inc.
Schnitz Racing has all the motorcycle performance parts you need
1,612,028 $ 480.00
Clay Smith Cams
Clay Smith Cams, home of Mr. Horsepower engineers world class camshafts and custom cams. If you need extra horsepower, performance and the muscle car sound, check out our line of cams.
5,714,477 $ 240.00
myPOWERBLOCK - Network for PowerBlock fans
Network for PowerBlock TV fans to connect and share with other gearheads.
3,065,140 $ 240.00
Any Calculator Online Calculators
A hugh collection of functional calculators for use online.
3,671,027 $ 240.00
Motion Software, Inc. Automotive Engine And Vehicle Simulation Software
Motion Software offers performance engine and vehicle simulation software for the automotive enthusiast.
8,087,794 $ 8.95
Hard-Krome Motorcycle Exhaust Systems - Horsepower and performance, guaranteed not to blue
Hard-Krome patented motorcycle exhaust pipes increase horsepower and performance in a great looking, guaranteed non-bluing system.
5,336,409 $ 240.00