Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededHAYSPART NUMBER: 490-12-071
Heavy-Duty Flexplate Ford Modular 4.6L 8-Bolt Crank
$19995
Ships on Sep 15, 2026
Lowest Price GuaranteeFordInternal Balance
Heavy-Duty FlexplateFord Modular 4.6L 8-Bolt Crank Internal Balance 164-Tooth SFI 29.1 Approved Zinc Dichromate Finish
HAYS / MR GASKET 12-071 Features:
Hays heavy-duty flexplates for high performance and competition engines 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 thicker Hays flexplate handles the force. These H.D. flexplates are supplied with a ring gear that is securely welded in place and feature dual bolt patterns. All Hays heavy-duty flexplates are zinc-dichromate plated to resist corrosion and are SFI certified under specification 29.1.- Securely welded ring gear and zinc dichromate plated to resist rust and corrosion
- Meets SFI specification 29.1 for racing
- For 8-bolt crankshaft
- Constructed of thicker than stock steel plate to withstand the stress of high stall speed converters and high RPM enginge
SFI-Certified Flexplates for Racing
Hay's heavy-duty Flexplates are constructed from thicker-than-stock grade 80 steel and engineered to withstand the force of high-stall torque converters and high-RPM performance and competition engines. This zinc-dichromate plated 29.1 or 29.3 SFI-certified flexplates are supplied with a ring gear that is securely welded in place and feature dual bolt patterns for flexibility in adapting to multiple transmission-style torque converters.
Part TypeFlexplate
Product LineHays Steel SFI Certified Flexplates
BrandHAYS
Package Height1.0
Package Width14.0
Package Length14.1
Weight8.54 PG
Part CategoryPerformance Parts
Ring Gear Tooth Quantity164-tooth
Flexplate MaterialSteel
Sfi Certification29.1
QuantitySold individually
MaterialSteel
Part FitmentSemi Universal
Safety RatingSFI 29.1
FinishZinc Dichromate
Engine BalanceInternal
Vendor Part Number12-071
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
Some parts are not legal for use in California or other states with similar laws / regulations
