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Mr. Gasket

Mr. Gasket O.E. Style Starter - GM LS Series - Zinc/Natural

Fits Most 1997-2017 GM LS Series Gen III/IV - 4.8L/5.3L/5.7L/6.0L/6.2L/7.0L Engines with 168 Tooth Flywheel or Flexplate includes Bolts.

Part # 51302ZG Be the first to write a review
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Mr Gasket starters are built using all new components, not remanufactured, and exceed original equipment specifications for maximum performance and durability. original equipment Style (Permanent Magnet Gear Reduction Style Starter).


  • Made with Premium All New Components (not remanufactured)
  • Ideal for HP, Muscle Cars, Trucks & Daily Drivers
  • Hand Assembled & Tested
  • No Core Charge or Core Return Hassle
  • Natural / Zinc Finish
  • Fits 1997-'17 GM LS Series Engines
  • Replaces GM OEM Starter # 10465385 or 12617229
  • 1.9 HP
  • Gear Reduction Ratio 4.4:1
  • Maximum Recommended Compression Ratio 12:1
  • OEM Style Mounting - Not Indexable
  • Weight 9 lbs.
  • Includes (2) Long Style Mounting Bolts
  • Fits 168 Tooth Flywheel or Flexplate

About Mr. Gasket

Using his own '57 Chevy as a rolling testbed, drag racer Joe Hrudka launched the most famous gasket company in the world more than half a century ago. Mr. Gasket is the go-to gasket source for racers with gaskets and fasteners that seal perfectly every time.

Adjustable Mounting BlockNo
Brand Mr. Gasket
Emission Code5
EngineGM Small Block Gen III/IV (LS Based)
Flywheel or Flexplate168 Tooth
Gear Reduction Ratio4.4:1
Maximum Recommended Compression Ratio12:1
Mounting Block MaterialCast Aluminum
Mounting Hardware IncludedYes
Product TypeStarter
Starter StyleOEM Style
Transmission TypeManual/Automatic
WarrantyLimited 90 Day
Part Number51302ZG

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Limited 90 Day: See Details

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    Some parts are not legal for use in California or other states with similar regulations.