For over 25 years STD Development has been setting the standard for the world's strongest aftermarket cases, high performance heads and related engine components for the Harley-Davidson ® and American V-Twin market.
Whether you are looking to replace the stock parts on a modified street engine, or building a nitro burning big bore drag bike, STD builds what many professional builders rate as the toughest, highest performing replacement components and drive train assemblies on the market. Applications are available for Twin Cam 88, Evo, Shovel, Pan, Sportster and Buell models.
Real Performance! Low Customer Direct Pricing!
- STD 88ci Engines, in Pan/ Shovel and Shovel Head styles
- 1941-1969 High Performance Replica "Retro Classic" Engine Cases
- Mikuni's new HSR 48mm monster Racing Carburetor! Bolt-on 10-25% horsepower
12155 Pangborn Ave.
Downey CA 90241
562-803-0378 - Fax
Office hours are Monday - Thursday 8:00 a.m - 4:30 p.m., Friday 9:00 a.m. - 1:00 p.m. Pacific time.