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Proform "High-Torque Starter, Gear Reduction Type, 1.4KW, Fits LS1 66273

Proform "High-Torque Starter, Gear Reduction Type, 1.4KW, Fits LS1 66273
Proform "High-Torque Starter, Gear Reduction Type, 1.4KW, Fits LS1 66273
$524.99 ea
NEWARRIVING SOONEstimated Ship Date 08/08/2025 (If Ordered Today)5 Available from our supplier as of 07/30/2025
Model: 3286154
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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High-torque, gear-reduction design. 100% NEW, not rebuilt. Offset design results in more clearance between the oil pan and the starter, and can be rotated for additional chassis clearance. The high-torque, high-output motor spins the engine over faster than stock starters, delivering 40-50% more cranking power. 3.75-to-1 sealed gear-reduction drive and full ball bearing construction. Includes shims to set pinion-gear engagement (when necessary). Approved by all leading sanctioning organizations. Not compatible with Pontiac GTO engine configuration.

  • High-Torque Mini Starter
  • Gear Reduction Type
  • 1.4KW
  • Fits All Chevy LS1, LS2, LS6 and LS7 Engines
  • Billet Aluminum Mounting Plate
  • For 11.1:1 Compression Ratio Engines
  • 100% New
  • Offset Design for More Oil Pan Clearance
  • Sold Each

Downloads:

Download Name File Size
66273_HD_Gear_Reduction_Starter_Instructions.pdf107.37KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years
Chevrolet Camaro SS 2010 - 2012
Chevrolet Corvette Base 2008 - 2012
Chevrolet Corvette Grand Sport 2010 - 2012

Specifications:

Applications GM LS1 Engines, GM LS2 Engines and GM LS6 Engines
Compression Ratio 11:1
Engine Family Range 1 GM LS1 Engines
Engine Family Range 2 GM LS2 Engines
Engine Family Range 3 GM LS6 Engines
Feature/Benefit 100% New, not rebuilt., High-torque, gear-reduction design., 3.75-to-1 sealed gear-reduction drive and full ball bearing construction., Includes shims to set pinion-gear engagement (when necessary).
Gear Reduction Ratio 3.75:1
KW 1.4KW
Make GM
Mounting Plate Straight Bolt Mounting Plate
Part Type Starter Motor

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Proform "High-Torque Starter, Gear Reduction Type, 1.4KW, Fits LS1 66273: