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Steel-Sfi-Certified-Flexplate----Big-Block-Chevrolet

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

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Brand: Hays

SKU: ds_BCCR_40-511

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Product Code: Automatic Transmission Flexplate

$244.20

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

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Details

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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