DNA Heavy-Duty Flexplate Small Block Chevy 350/Big Block Chevy 454, 168-Tooth

Name: DNA Heavy-Duty Flexplate Small Block Chevy 350/Big Block Chevy 454, 168-Tooth
Brand: SPEEDMASTER
SKU: 746-1-226-002
Price: 145.90 USD
Availability: InStock

^$145⁹⁰

Ships on Sep 04, 2026

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GM Chevy

DNA Heavy-Duty Flexplate

Small Block Chevy 350/Big Block Chevy 454

168-Tooth

2-Piece Rear Main Seal

External Balance

SFI 29.2

Billet Aluminum

Speedmaster 746-1-226-002 Features:

Speedmaster flexplates are the best on the market, made from 4340 round bar to exact tolerances. This one piece billet steel flexplate offers the strongest gear teeth, the least runout, and best longevity on the market. Every Speedmaster flexplate is 29.2 SFI Approved and will withstand the extreme power and rpm of your performance application.

One piece billet steel construction
29.2 SFI Approved
Billet steel provides best longevity on the market

Part TypeFlexplate

BrandSPEEDMASTER

Package Height2.75

Package Width16.0

Package Length16.0

Weight9.6 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part Number1-226-002

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

DNA Heavy-Duty Flexplate Small Block Chevy 350/Big Block Chevy 454, 168-Tooth

Speedmaster 746-1-226-002 Features:

⚠️ Warning

Motor Vehicles

Tools

Electrical Cords