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Vehicle Info NeededTCIPART NUMBER: 890-399756
SFI-Approved Flexplate GM LSA 6.2L
$42795
3 left in stock
Ships on Sep 08, 2026
Lowest Price GuaranteeChevrolet SFI 29.1 Approved Flexplates
- SFI-Approved Flexplate
- GM LSA 6.2L
- Dual Bolt Pattern
- Internal Balance
- 168 Tooth
This new series of flexplates is designed to prevent cracking and ring breakage in high performance GM LS9/LSA & Ford Modular 4.6/5.4L w/8-bolt crank applications. These flexplates are SFI 29.1-approved and made from premium A36 steel plate material, which is much stronger than the factory originals. They also feature a heavy-duty ring gear for added strength. Each flexplate is electro-coated to eliminate damaging elements and vibrations and is also dynamically balanced with factory bolt sizes.
SFI 29.1-approved for GM LS9/LSA & Ford Modular 4.6/5.4 w/ 8-bolt crank engines
Precision-ground A36 steel plate material is much thicker & stronger than the original factory flexplates
Electro-coated & dynamically balanced w/OE bolt sizes
A TCI Special Build Torque Converter must be used with 4L80E transmissions.
Dual Bolt Pattern: LS Bolt Pattern (11.1") and GM Small Bolt Pattern (10-3/4")
Part TypeFlexplate
BrandTCI
Package Height1.6
Package Width14.6
Package Length14.7
Weight9.8 PG
Part CategoryPerformance Parts
Ring Gear Tooth Quantity168-tooth
Flexplate MaterialSteel
Rear Main Seal Style1-piece
QuantitySold individually
Part FitmentSemi Universal
Safety RatingSFI 29.1
Engine BalanceInternal
Vendor Part Number399756
Package Qty1
Package TypeEA
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