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Vehicle Info NeededSPEEDMASTERPART NUMBER: 746-1-229-007
DNA Heavy-Duty Flywheel GM LS1/LS2/LS3/LS6/LS7/L76, 168-Tooth
$22450
Ships on Sep 03, 2026
Lowest Price GuaranteeGM
DNA Heavy-Duty FlywheelGM LS1/LS2/LS3/LS6/LS7/L76 168-Tooth Standard Balance SFI-Approved Billet Steel Black Oxide Finish
Speedmaster 746-1-229-007 Features:
Speedmaster billet steel flywheels are fully CNC machined from a high tensile aircraft material billet steel. The high carbon steel material is incredibly strong and can withstand the rigors of the most extreme engines, drivers, and road conditions. Grab one of these Speedmaster billet steel flywheels for the durability and performance that you demand. Features: SFI 1.1 certifiedManufactured from Billet SteelHeat Treated GearCAD EngineeringCNC MachinedAward winning designs.These SFI-Rated Flywheels are engineered to handle extreme duty applications and designed to take the punishment of todays high horsepower engines. Speedmaster billet steel flywheels are CAD engineered and precision CNC machined to strict tolerances. Every flywheel is engineered for excellence and rigorously inspected throughout the manufacturing cycle to ensure that our customers receive the quality that they have come to expect from Speedmaster products.- Fully CNC machined from a high tensile aircraft material billet steel
- High carbon steel is incredibly strong and can withstand the rigors of the most extreme engines
- Engineered to dissipate heat away from the clutch to improve performance
Durable Performance at a Great Price
Speedmaster race-ready flywheels are CNC-machined from a aircraft quality, high tensile, billet steel and are strong enough to withstand the the abuse of high-rpm engines, drivers, and road conditions. Most flywheels are drilled for both Borg & Beck and Long-style clutch assemblies.
Part TypeFlywheel
Product LineSpeedmaster Flywheels and Accessories
BrandSPEEDMASTER
Package Height2.5
Package Width16.0
Package Length16.0
Weight27.6 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number1-229-007
Package Qty1
Package TypeEA
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