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Hays Steel SFI Certified Flexplate , Big Block Chevrolet 40-511

Hays Steel SFI Certified Flexplate , Big Block Chevrolet 40-511
Hays Steel SFI Certified Flexplate , Big Block Chevrolet 40-511Hays Steel SFI Certified Flexplate , Big Block Chevrolet 40-511Hays Steel SFI Certified Flexplate , Big Block Chevrolet 40-511
$244.99 ea
NEWARRIVING SOONEstimated Ship Date 03/18/2024 (If Ordered Today)24 Available from HOLLEY PERFORMANCE PRODUCTS as of 02/25/2024
Model: 4006842
STANDARD
DELIVERY
Hays SFI Approved heavy-duty flexplates for BBC 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

Specifications:

# of Teeth 168
Application Chevrolet
Centerplate Thickness 4 mm
Converter Bolt Pattern 3 x 9.75", 3 x 10.75", 3 x 11.50"
Crankshaft Bolt Hole Count 6
Emission Code 5
Engine Chevrolet Big Block Mark IV
Engine Balance External
Engine Size 454 Cubic Inch / 7.4L
Finish Silver
Material Steel
Part Type Automatic Transmission Flexplate
Product Type Flexplates
Proposition 65 www.P65Warnings.ca.gov
Rear Main Seal Style Two Piece
SFI Approved Yes
SFI Certification 29.1
Special Offers Summer Sale
Style Quick Launch
Thickness 4 mm
Warranty 90 Day

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