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Alternator, A/C and Optional Power Steering

#21385 and #21390 Shown with Billet Alternator and Power Steering

#21390 Shown with Billet Alternator and Power Steering, Chrome Available.

Hard to Find Serpentine Conversion for Your 409ci V-8!

March Performance brings you High Style, Low Cost excitement just for the Chevy 409 cubic inch V-8. This one piece alternator and air conditioning bracket provides a rigid support for the alternator and A/C compressor; a separate bracket allows the option of power steering or no power steering. Four separate idlers guarantee the ultimate in belt to pulley contact area for sure “no slip” operation.

Like all our Revolver kits it makes use of a unique easy to use belt tension adjustment tool. Once the belt tension has been set, the adjustment tool is easily removed and stowed away until the next time the belt requires adjustment. As a result, this kit displays a much cleaner appearance.

The Revolver comes complete with alternator, an alternator pulley with fan and nose cover, a A/C compressor and nose cover, a water pump with pulley and nose cover,a crank pulley and the alternator/A/C bracket, complete with the belt tensioning tool. Kits with power steering include a chrome Saginaw style power steering pump and the power steering pump pulley with nose cover.

These kits also include all the mounting hardware you’ll need and detailed instructions so installation is a snap. You can also forget about polishing this assembly, as it features maintenance-free clear or black powder coating in Clear, Black or our new Black Onyx version.


Our larger diameter crank pulley aids in driving your alternator, A/C, and water pump at idle where it counts.


Chevy 409ci V-8


Kit Includes:

  • Powermaster or Tuff Stuff 105 Amp Alternator, Chrome
  • Alternator pulley with fan and nose cover
  • Matching Chrome A/C compressor
  • A/C Compressor nose cover
  • Edelbrock Water pump and Hardcoated pulley
  • Alternator/A/C Bracket
  • Crank pulley (Larger Dia for better accessory drive)
  • 4 Idlers for better belt wrap
  • Belt Tensioning Tool
  • All mounting hardware

Kits with power steering include

  • Type 2 Remote Pump
  • Saginaw Canister steering pump (kits 21385 + 21390 no reservoir or lines required)
  • Power steering pulley with nose cover
  • Bracket with mounting hardware.








21350 21360 Instructions



More Kit Videos




Chevy 409ci
Kit #
Alternator Water Pump A/C Remote Power Steering Saginaw Power Steering Belt Size


yes yes yes     66”
yes yes yes Yes   83.5”
yes Chrome yes     yes Chrome Call
yes Billet yes     yes Billet Call
of Access
105 Amp Chrome Alternator Short water pump
Standard rotation
Sanden style 7176 serpentine
A/C Compressor
Type 2 Remote Pump Saginaw pump with canister Dayco 6 Rib
For BLACK ONYX Styling, add "-07" to kit number..."12345-07". For all Black add "-08"

Matching Alternator Power Steering A/C Units Etc. - See Accessories