Retno 104T-8 Steel Flywheel - SBC BBC 7.25" 6-Bolt Clutch Pattern

Retno 104T-8 SBC BBC Flywheel – FLW-104-8

The Retno 104T 8-Bolt Flywheel is designed for high-performance drivetrain applications for SBC and BBC Chevy, where strength, precision, and dependable clutch mounting are essential. Manufactured from high-quality 4140 steel, this flywheel features a 104-tooth ring gear and an 8-bolt clutch assembly mounting pattern.

This flywheel package includes six high-strength 12-point bolts manufactured from aerospace-grade steel, with a tensil strength of 190,000 PSI. Featuring larger-than-stock shank diameters for increased strength and improved registration, these fasteners are heat-treated prior to thread rolling and machining for precision and durability. The bolt heads are also drilled for safety wiring, providing an additional option for securing fasteners in demanding performance applications.

Built with attention to material quality and engineering detail, the Retno 104T Flywheel is suited to qualifying performance engine and drivetrain builds.

Product Features

• 104-Tooth Ring Gear: Designed for compatible 104T starter and drivetrain configurations.

• Application: SBC, BBC, Chevy Engines 

• 4140 Steel Construction: Manufactured from high-quality 4140 steel.

• 8-Bolt Clutch Pattern: Features an 8-bolt mounting pattern for the clutch assembly.

• 12-Point Bolt Heads: Designed for use with compatible 12-point tools, 190,000 PSI.

• Safety-Wire Ready: Bolt heads are drilled to accommodate safety wire.
• Black Oxide 

Specifications

• Brand: Retno

• Part Number: FLW-104-8

• Product Type: 104T 8-Bolt Flywheel

• Flywheel Material: 4140 steel

• Ring Gear: 104 teeth

• Clutch Assembly Pattern: 8-bolt

• Bolt Head Design: 12-point, drilled for safety wiring

• Bolt Material: Aerospace-grade steel

• Bolt Preparation: Heat-treated prior to thread rolling and machining

Package Includes

• 1 × Retno 104T 8-Bolt Flywheel

• 6 × 12-point aerospace steel bolts with drilled heads for safety wiring

Built for Performance

Retno combines quality materials and precision-focused manufacturing to provide components for demanding automotive performance applications. The FLW-104-8 flywheel package includes the flywheel and six specialized fasteners for compatible clutch assemblies.

Fitment Note: Please verify the flywheel's engine compatibility, ring gear engagement, clutch mounting pattern, and fastener requirements before ordering.

Please note: The product is described as an 8-bolt clutch pattern, while the package includes six bolts. Confirm the supplied bolt quantity and intended mounting configuration before publishing to ensure customers receive accurate fitment information.