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Hays Steel SFI Certified Flexplate - Oldsmobile

1957-1990 Oldsmobile V8, 166-Tooth, External Balanced

PART# 40-514

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Overview

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:

  • 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

Specs

# of Teeth166
ApplicationOldsmobile
Bolt PatternGM 10-3/4"
GM 11-1/2"
BrandHays
Centerplate Thickness4 mm
Emission Code5
Engine BalanceExternal
FinishSilver
MaterialSteel
Product TypeFlexplate
SFI Certification29.1
Warranty90 Day
Part Number40-514

Emissions

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.

Warranty Information

90 Day: See Details

Applications

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