Mechman 170A 1963-1985 GM Replacement Alternator

$349.00$449.00

170A 1963-1985 GM 10DN, 10SI, 12SI Replacement

Specifications:

  • Idle Output – 140 Amps
  • Cruise Output – 170 Amps
  • 2 1/2″ diameter single V pulley
  • Also includes 6-rip serpentine pulley

Note: Output graph is plotted with a 7″ diameter crankshaft pulley.

Available in natural, satin black, polished, and chrome finishes.

Complete description below.

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Description

Mechman “Hot Rod” Alternators

These are designed as direct replacements for 1963-1985 GM Vehicles originally fitted with a 10DN, 10SI, or 12SI alternator. They utilize 6-phase Hairpin stators which use less horsepower than traditional 3-phase designs. The following are the features of these outstanding units:

  • Bolt-in Replacement for 10DN, 10SI, or 12SI GM Alternators
  • Internally Regulated
  • Internal Fans
  • Available in 170A and 240A Sizes
  • Available in Natural, Polished, or Chrome Finish
  • Single connection to switched +12V to excite
  • Heavy Duty 5/16″ Output Stud
  • Fitted with V-belt Pulley
  • 2 Year Manufacturer’s Warranty

The 170A and 240A units share the same housing. Download a complete Hot Rod Alternator Drawing including all dimensions.

We recommend our 2 AWG Charging System Upgrade Kits or Big 3 Upgrade Kits for 170A units!

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