Retno 104T-6 Steel SBC/BBC Chevy Flywheel – Black Oxide, 7.25-Inch 6-Bolt Clutch Pattern | FLW-F104-6

Retno 104T-6 Steel SBC/BBC Flywheel – Black Oxide, 7.25-Inch 6-Bolt Clutch Pattern | FLW-F104-6

The Retno 104T-6 Steel Flywheel (Part No. FLW-F104-6) is designed for high-performance Small Block Chevy (SBC), Big Block Chevy (BBC), and compatible Chevrolet engine applications. Manufactured from high-quality steel, this flywheel features a 104-tooth ring gear and a 6-bolt, 7.25-inch clutch assembly pattern, making it suitable for compatible performance and racing drivetrain setups.

Each Retno flywheel is finished in black oxide for a clean, understated appearance suited to performance engine builds and motorsport applications. For different finishes please reach out to us!

The included high-strength fasteners feature a 12-point head design and larger-than-stock shank diameters, designed to increase strength and improve registration. Manufactured from aerospace-grade steel, these bolts are heat-treated prior to thread rolling and machining for precision and durability. The bolt heads are also drilled for safety wiring, making them suitable for applications where additional fastener security is required.

Engineered with attention to material quality and performance-focused details, the Retno 104T-6 Flywheel is an excellent option for builders seeking a specialized flywheel for compatible Chevrolet engine and clutch configurations.

Product Features

• Part Number: FLW-F104-6

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

• Steel Construction: Manufactured from high-quality steel.

• SBC/BBC Compatibility: Designed for compatible Small Block Chevy, Big Block Chevy, and Chevrolet engine applications.

• 6-Bolt Clutch Pattern: Designed for a compatible 7.25-inch clutch assembly.

• Black Oxide Finish: All Retno flywheels come with a black oxide finish.

• 12-Point Fasteners: Features specialized 12-point bolt heads.

• Larger-Than-Stock Shank Diameter Bolts: Designed to improve fastener strength and registration.

• Aerospace-Grade Steel Bolts: Manufactured from high-quality aerospace-grade steel.

• Heat-Treated Fasteners: Bolts are heat-treated prior to thread rolling and machining.

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

Specifications

• Brand: Retno

• Part Number: FLW-F104-6

• Product Type: 104T-6 Steel Flywheel

• Material: 4041 steel, as specified

• Ring Gear: 104 teeth

• Clutch Assembly Pattern: 6-bolt

• Clutch Size: 7.25 inches

• Engine Applications: Compatible SBC, BBC, and Chevrolet engines

• Finish: Black oxide

• 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-6 Steel Flywheel

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

Built for Performance

Retno combines quality materials and precision-focused manufacturing to deliver components for demanding automotive performance applications. With its black oxide finish, specialized 7.25-inch clutch pattern, and high-strength fasteners, the FLW-F104-6 is designed for compatible Chevrolet drivetrain builds.

Fitment Note: Please verify engine compatibility, starter and ring gear engagement, clutch diameter, bolt pattern, and fastener specifications before ordering.