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Alternator, A/C and Optional Power Steering


Lightweight, Extra Strength, Race Proven

For the Performance oriented engine builder March Performance’s new All Billet Aluminum Pro-Track serpentine system is just the ticket. This 1” thick one-piece alternator and air conditioning bracket is not only strong, but light.

Pro-Track makes use 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, the Pro-Track displays a much cleaner appearance. For the ultimate in convenience an optional spring loaded tensioner is available.


Chevy Big Block Short Water Pump


Kit Includes:

  • 105 Amp Alternator, Chrome
  • Alternator pulley with fan and nose cover
  • Matching Chrome A/C compressor
  • A/C Compressor nose cover
  • Water pump and Hardcoated pulley
  • Pro-Track Alternator/A/C Bracket
  • Crank pulley
  • Belt Tensioning Tool
  • All mounting hardware

Kits with power steering include

  • GM Type 2 power steering pump (does not include hoses or reservoir)
  • Power steering pulley with nose cover
  • Bracket with mounting hardware.





Optional P418-06

Chrome A/C Line Adapter.







Instillation Instructions



More Kit Videos






Chevy Big Block
Kit #
Alternator Water Pump A/C Remote Power Steering Saginaw Power Steering


yes yes yes - -
21220 yes yes yes yes -
21225 yes yes yes - yes
of Access
105 Amp Chrome Alternator Short water pump Reverse rotation Sanden style 7176 serpentine
A/C Compressor
Type 2 Remote Pump Saginaw pump with canister
For BLACK ONYX Styling, add "-07" to kit number..."12345-07". For All BLACK Styling, add "-08". For Chrome, add "-06"

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