Proform Parts High Torque Starter (MPN: 66273)

Experience enhanced engine cranking power with advanced gear reduction technology.

The Proform Parts High Torque Starter features a high torque, gear reduction design that significantly improves engine cranking efficiency. This starter is 100 percent new and not remanufactured, ensuring reliability and performance. Its offset design allows for increased clearance between the oil pan and the starter, and it can be rotated to provide additional chassis clearance as needed.

With a gear reduction ratio of 3.75 to 1, this starter delivers 40 to 50 percent more cranking power compared to stock starters, making it a valuable addition for high-performance applications. The sealed gear reduction drive and full ball bearing construction contribute to its durability and efficiency. This starter is approved by all leading sanctioning organizations, making it a trusted choice for competitive racing and performance enthusiasts.

Features

• High Torque, Gear Reduction Design
• Offset Design Results In More Clearance Between The Oil Pan And The Starter, And Can Be Rotated For Additional Chassis Clearance
• 100 Percent New, Not Remanufactured
• Deliver 40 To 50 Percent More Cranking Power And Features A Sealed Gear Reduction Drive And Full Ball Bearing Construction

Specifications

• Manufacturer: Proform Parts
• Manufacturer Part Number: 66273
• Condition: New
• Flywheel/Flex Plate Tooth Count: 168
• Color: Black
• Type: High Torque
• Drive Type: Gear Reduction
• Gear Reduction Ratio: 3.7:1
• Power Output: 1.4 Kilo Watt

Compatibility / Fit

• 2007-2013 Chevrolet Avalanche
• 2002-2006 Chevrolet Avalanche 1500
• 1998-2002 Chevrolet Camaro
• 2010-2015 Chevrolet Camaro
• 1994-1996 Chevrolet Caprice
• 2011-2017 Chevrolet Caprice
• 2009-2012 Chevrolet Colorado
• 1997-2013 Chevrolet Corvette
• 2003-2014 Chevrolet Express 1500
• 2003-2017 Chevrolet Express 2500
• 2003-2017 Chevrolet Express 3500
• 2009-2020 Chevrolet Express 4500
• 2006-2009 Chevrolet Impala
• 1900-1900 Chevrolet LS Small Block Gen 3 1997-2007
• 1900-1900 Chevrolet LS Small Block Gen 4 2005+
• 2006-2007 Chevrolet Monte Carlo
• 1999-2013 Chevrolet Silverado 1500
• 2007-2007 Chevrolet Silverado 1500 Classic
• 2001-2003 Chevrolet Silverado 1500 HD
• 2005-2006 Chevrolet Silverado 1500 HD
• 2007-2007 Chevrolet Silverado 1500 HD Classic
• 1999-2004 Chevrolet Silverado 2500
• 2001-2014 Chevrolet Silverado 2500 HD
• 2001-2006 Chevrolet Silverado 3500
• 2007-2007 Chevrolet Silverado 3500 Classic
• 2007-2014 Chevrolet Silverado 3500 HD
• 2014-2017 Chevrolet SS
• 2003-2006 Chevrolet SSR
• 2000-2014 Chevrolet Suburban 1500
• 2000-2013 Chevrolet Suburban 2500
• 2000-2013 Chevrolet Tahoe
• 2006-2009 Chevrolet Trailblazer
• 2003-2006 Chevrolet Trailblazer EXT
• 2009-2012 GMC Canyon
• 2005-2009 GMC Envoy
• 2003-2006 GMC Envoy XL
• 2004-2005 GMC Envoy XUV
• 2003-2014 GMC Savana 1500
• 2003-2017 GMC Savana 2500
• 2003-2017 GMC Savana 3500
• 2009-2020 GMC Savana 4500
• 1999-2013 GMC Sierra 1500
• 2001-2003 GMC Sierra 1500 HD
• 2005-2006 GMC Sierra 1500 HD
• 2007-2007 GMC Sierra 1500 HD Classic
• 1999-2004 GMC Sierra 2500
• 2001-2014 GMC Sierra 2500 HD
• 2001-2006 GMC Sierra 3500
• 2007-2007 GMC Sierra 3500 Classic
• 2007-2014 GMC Sierra 3500 HD
• 2000-2014 GMC Yukon
• 2000-2014 GMC Yukon XL 1500
• 2000-2013 GMC Yukon XL 2500
• 1998-2002 Pontiac Firebird
• 2008-2009 Pontiac G8
• 2005-2008 Pontiac Grand Prix
• 2004-2006 Pontiac GTO

Technical Documents

• 66273_HD_Gear_Reduction_Starter_Instructions.pdf