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Drivetrain Bellhousings and Components

Hays

Automatic Transmission Flexplate Fits 1997-2017 GM LS 4.8/5.3/6.0/6.2/7.0L 168 Tooth Internal Balanced SFI Hays

$331.95 $305.95 Save $26.00

SKU: H00D 40-508

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INSTALL DIFFICULTY
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Moderate — 2–4 hours

Description

Part #: 40-508

Hays SFI Approved heavy duty flexplates for are constructed of a thicker than stock steel plate, enabling them to withstand the stress of high-stall torque converters and high-RPM engines. While factory stock plates tend to crack around the crankshaft hub when punished under high torque and RPM conditions, the 4mm thick center plate utilized on a Hays flexplate handles the brute force.These flexplates are supplied with a precision double welded ring gear and feature multiple engine and transmission bolt patterns. All Hays flexplates are zinc-dichromate plated to resist corrosion and are SFI certified under specification 29.1.Features and Benefits:SFI-approved legal for use in racing classes that require SFI certificationFlexplate features a precision double welded ring gearHas 4mm thick center plate to resist cracking near crankshaft flangeZinc-dichromate plated to resist corrosionCAD designed to provide optimum performance and reliabilityAvailable in Internal or External balanced versionsApplications offered for a wide variety of engine and transmission bolt patternsDetails:Application: ChevroletBolt Circle: 3 x 10.75 inch|3 x 11.00 inch|6 x 11.5 inch|3 x 11.5 inchBolt Pattern: GM 10-3/4 Inch|GM 10-1/2 Inch|GM 11-1/2 Inch|GM 11-1/8 InchCenterplate Thickness: 4 mmEmission Code: 5Engine: GM Gen III/IV (LS)Engine Balance: InternalFinish: SilverMaterial: SteelNumber of Teeth: 168SFI Approved: YesSFI Certification: 29.1Style: Quick LaunchTransmission: 4L80E|4L85E|700R4|4L60E|4L65E|TH400|TH350Warranty: Manufacturer's 90 Day WarrantyApplication Summary:214 2003-2015 Cadillac Escalade ESV Base Platinum Luxury Premium Special Edition2002-2013 Cadillac Escalade EXT Base Luxury Premium2006-2015 Cadillac CTS V V Black Diamond Luxury V Premium Black Diamond V Luxury2002-2015 Cadillac Escalade Base Platinum Hybrid Hybrid Platinum Luxury Premium Special Edition2014-2015 Chevrolet SS Base2005-2006 Chevrolet SSR Base2007 Chevrolet Silverado 1500 Classic SS LT2007 Chevrolet Silverado 2500 HD Classic LT LS WT2007 Chevrolet Silverado 3500 Classic LS LT WT2007 Chevrolet Silverado 1500 HD Classic LT2007-2009 Chevrolet Avalanche LTZ LT1997-1999 Chevrolet C1500 Silverado WT Cheyenne Base LS1997-1999 Chevrolet C2500 Cheyenne Silverado Base WT LS2010-2015 Chevrolet Camaro SS 2SS 1SS ZL1 Z/282011-2015 Chevrolet Caprice PPV2005-2015 Chevrolet Corvette Base Z06 427 Limited Edition Z06 ZR1 Grand Sport Z06 Carbon 427 Stingray Z511997-2002 Chevrolet Express 1500 LS Base LT1997-2015 Chevrolet Express 2500 Base LS LT2003-2015 Chevrolet Express 3500 Base LS LT1997-1999 Chevrolet K1500 Silverado WT Cheyenne Base LS1997-1998 Chevrolet K2500 Silverado Cheyenne WT2006-2009 Chevrolet Trailblazer SS2003-2015 Chevrolet Silverado 1500 SS LT LS LTZ Hybrid High Country2001-2006 Chevrolet Silverado 1500 HD LT LS Base1999-2004 Chevrolet Silverado 2500 LS LT Base WT2001-2015 Chevrolet Silverado 2500 HD LT LS Base WT LTZ High Country2001-2013 Chevrolet Silverado 3500 LS LT Base WT2006-2013 Chevrolet Suburban 1500 LTZ LT2000-2013 Chevrolet Suburban 2500 LS LT Base LTZ2008-2013 Chevrolet Tahoe Hybrid LTZ2007-2015 Chevrolet Silverado 3500 HD WT LTZ LT High Country2005-2006 Pontiac GTO Base2008-2009 Pontiac G8 GT GXP1900 Car GM GM LS ApplicationsAssociated Comments: IS NOT direct replacement for long crank LS engines. (1999-2000 6.0L)

Features:

  • SFI-approved - legal for use in racing classes that require SFI certification
  • Performance Flexplate
  • Flexplate features a precision double welded ring gear
  • Has 4mm thick center plate to resist cracking near crankshaft flange
  • Zinc-dichromate plated to resist corrosion
  • CAD designed to provide optimum performance and reliability
  • Available in Internal or External balanced versions
  • Applications offered for a wide variety of engine and transmission bolt patterns

Fits 1997-2017 GM LS 4.8/5.3/6.0/6.2/7.0L - 168 Tooth - Internal Balanced - SFI

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

Upgrade your Corvette C5, C6, or C7 with the Hays Flexplate, engineered for superior performance and durability. This heavy-duty flexplate, with its raw metal finish, is thicker than stock options and designed to meet the rigorous demands of racing. It is SFI certified under Specification 29.1, making it racing-legal and ideal for high-performance applications. The zinc-dichromate plating offers excellent corrosion resistance, ensuring longevity and reliability under various environmental conditions. CAD designed for precision and optimized performance, this flexplate features steel construction with a 4-millimeter center plate, providing a robust and durable solution for your Corvette's drivetrain. Its design and material choice contribute to its enhanced strength, capable of withstanding the high torque and stress of racing and high-performance driving. As a direct replacement, the Hays Flexplate ensures a straightforward installation process, perfectly fitting 1997 - 2017 Corvette C5, C6, and C7 models without the need for modification. This ease of installation, combined with its superior design and construction, makes it an ideal upgrade for Corvette owners looking to enhance their vehicle's performance and reliability.

Fitment

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Specifications

BrandHays
Part NumberH00D 40-508

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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