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Steel-Sfi-Certified-Flexplate----Big-Block-Chevrolet
Steel-Sfi-Certified-Flexplate----Big-Block-Chevrolet
Steel-Sfi-Certified-Flexplate----Big-Block-Chevrolet
Steel-Sfi-Certified-Flexplate----Big-Block-Chevrolet
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Hays 40-511 Steel Sfi Certified Flexplate - Big Block Chevrolet

2 sold in last 8 days
Hays
ds_BCCR_40-511
Out of stock
Automatic Transmission Flexplate
$244.20

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Hays 40-511 Steel Sfi Certified Flexplate - Big Block Chevrolet

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.

Specifications:

Description_DES Hays Steel SFI Certified Flexplate - Big Block Chevrolet
Description_MKT 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.
Description_INV OBS FLEXPLT 70-90 BBC EXT 168T
Description_EXT 1970-1990 454 Big Block Chevrolet, 168 Tooth, External Balanced
Description_FAB SFI-approved - legal for use in racing classes that require SFI certification
Description_FAB Flexplate features a precision double welded ring gear
Description_FAB Has 4mm thick center plate to resist cracking near crankshaft flange
Description_FAB Zinc-dichromate plated to resist corrosion
Description_FAB CAD designed to provide optimum performance and reliability
Description_FAB Available in Internal or External balanced versions
Description_FAB Applications offered for a wide variety of engine and transmission bolt patterns
# of Teeth 168
Converter Bolt Pattern 3 x 9.75", 3 x 10.75", 3 x 11.50"
Emission Code 5
Engine Chevrolet Big Block Mark IV
Engine Size 454 Cubic Inch / 7.4L
SFI Certification 29.1
Thickness 4 mm
Crankshaft Bolt Hole Count 6
Engine Balance External
Finish Silver
Rear Main Seal Style Two Piece
Style Quick Launch
Warning California Proposition 65
Application Chevrolet
Brand Hays
Centerplate Thickness 4 mm
Product Type Flexplates
SFI Approved Yes
Special Offers Summer Sale
Warranty 90 Day
Length 0.9000
Width 14.0000
Height 14.3000
Weight 8.1000
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