Description
Hays 40-508 – Performance Flexplate
Hays Steel SFI Certified Flexplate – GM LS Engines
Fits 1997-2017 GM LS 4.8/5.3/6.0/6.2/7.0L – 168 Tooth – Internal Balanced – SFI
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.
- SFI-approved – legal for use in racing classes that require SFI certification
- 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
# of Teeth: 168Application: ChevroletBolt Circle: 3 x 10.75 inchBolt Circle: 3 x 11.00 inchBolt Circle: 6 x 11.5 inchBolt Circle: 3 x 11.5 inchBolt Pattern: GM 10-3/4″Bolt Pattern: GM 10-1/2″Bolt Pattern: GM 11-1/2″Bolt Pattern: GM 11-1/8″Brand: HaysCategory: TransmissionCenterplate Thickness: 4 mmEmission Code: 5Engine: GM Gen III/IV (LS)Engine Balance: InternalFinish: SilverMaterial: Steelpart type: Automatic Transmission FlexplateProduct Type: FlexplatesSFI Approved: YesSFI Certification: 29.1Style: Quick LaunchSub Category: FlexplateTransmission: 4L80E/4L85ETransmission: 700R4Transmission: 4L60E/4L65ETransmission: TH400Transmission: CategoryTransmission: TH350Warning: California Proposition 65Warranty: Manufacturer’s 90 Day Warranty
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