Welcome to Dyersblowers.com. Dyer's Blowers is one of the leading manufacturers of street and strip blower systems.

Dyer's has been manufacturing and servicing 471, 671, 6v71 and 871 superchargers for over 40 years. Dyer's Blowers currently manufactures supercharger kits for the following engines Ford 289, 302, 351C, 351W, 400M, 390, 427, 428, 429, 460, Chevy 283, 327, 350, 377, 383, 400, 396, 427, 454, 502, Pontiac 326, 350, 389, 400, 421, 455, Oldsmobile 307, 330, 350, 403, 455, Mopar 318, 340, 360, 383, 400, 331, 354, 392 Hemi, 413, 426W, 426 Hemi, 440, 5.7 Hemi, 6.1 Hemi, AMC 290, 304, 343, 360, 390, 401 and Buick 400, 430, 455 V8 Engines. We carry parts for 4-71, 6v-71, 6-71, and 8-71 supercharger systems.

Dyer's Blowers also makes 871 conversion kits for the Merc 575sci engine.  We can supply a whole kit to work with the stock Thermostat Housing, Stock TBI adapter, Stock Electronics, Stock Serpentine Drive system

We can also convert your Detroit Diesel 471, 671 or 6v71 over for use on gasoline engines.

Dyer's Blowers rebuilds and repairs GMC, aftermarket and Eaton Blowers as well as Holley or Weiand 142, 144, 162, 164, 174, 177, 250, 256 and 420 Mega superchargers.  We can also replace the teflon strips in your B&M, Weiand, and Holley Forced Induction blowers.  Dyer's also rebuilds blowers for the Mercruiser 525SC, Mercruiser 575SC, Mercruiser 600SC, and Mercruiser 800SC.

We can handle your blower needs for most small block and big block domestic V8 engines.  Our specialty is 471, 671 and 871 roots style superchargers.


Dyer's Blowers is located in Summit, Illinois.  Summit is a suburb of Chicago.  We are near the intersection of Harlem Avenue and 63rd St.

Our physical address is

Dyer's Blowers

7665 W. 63rd St.

Summit, IL. 60501

Phone 708-496-8100


Note: Our old phone # of 312-496-8100 changed in 1989.


Thanks for visiting Dyer's Blowers, the pioneers of street supercharger systems.