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LS Corvette (& Camaro LS3 L99) Alternator Adapter / Extension Bracket

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LS Corvette Alternator Adapter or Extension

Compatible with all LS series alternators and brackets

  • Allows Corvette or L99/LS3 Camaro alternators to be mounted on truck & various other alternator brackets. (these alternators have a wider bolt pattern than other LS vehicles). Also can be used to move the factory position of your current LS alternator location to gain clearance.
  • Will not work with CTS-V Alternators (these have a 3rd side mounting hole)
  • Extends the alternator out 2 inches, from center to center of bolt holes.
  • Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum
  • Includes: 1 extension bracket with bolt

More Information

Bullet Point 1 Adapt your alternator to a bracket that has the incorrect bolt pattern
Manufacturer Part Number 551905
UPC 797822587658
Weight 0.400000
ICT Manufacturer ICT Billet
United States United States
Length Inches 4
Width Inches 4
Height Inches .8

WARNING - This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to


ALUMINUM: Most of the aluminum alloys used today contain some level of lead, usually less than .1%. Lead is known to the state of California to cause cancer and reproductive harm. Most aluminum alloys are physiologically inert in their solid form, and the lead is contained within, however user-generated dust and/or fumes may pose a hazard if inhaled or ingested. Heating beyond a certain temperature may also provide avenues for exposure.


STEEL (steel bolts):  Steel is an iron alloy with several metals including Nickel and Chromium. Both Nickel and Chromium are known to the State of California to cause cancer and reproductive harm, respectfully. This warning applies to stainless steels as well.