Retno Power Starter 2.5 kW High-Torque Mini Starter – SBC/BBC Chevy 153T/168T

Retno Power Starter 2.5 kW High-Torque Mini Starter – SBC/BBC Chevy 153T/168T, Adjustable Billet Mount

Upgrade your engine's starting system with the Retno Power Starter High-Torque Mini Starter, engineered for performance, reliability, and increased clearance in demanding automotive applications. Designed for compatible Chevrolet small-block and big-block engines, this compact starter delivers powerful cranking performance in a lightweight, space-saving package.

Featuring a 3.73:1 gear reduction ratio and an adjustable billet aluminum mounting block, this mini starter offers installation flexibility for a range of compatible engine and bellhousing configurations. It accommodates both 153-tooth and 168-tooth flywheel/flexplate applications, making it a versatile option for street performance builds, race cars, and other high-performance applications.

The Retno Power Starter is designed to provide up to 50% more starting power while weighing approximately 40% less and measuring roughly one-third smaller than conventional starters. Its compact design helps create additional clearance in tight engine compartments, making it a valuable solution for performance engine builders and racing enthusiasts.

Product Features

• Brand: Retronix / Retno Performance Technology

• Product Type: High-torque mini starter

• Power Rating: 2.5 kW (approximately 3.35 HP)

• Flywheel/Flexplate Compatibility: 153-tooth and 168-tooth

• Engine Applications: Compatible Chevrolet small-block and big-block engines

• Displacement Range: 262–454 CID, subject to application compatibility

• Engine Types: Compatible Chevrolet V6 and V8 applications

• Starter Style: Mini Hitachi

• Mounting Configuration: Inline bolt pattern

• Adjustable Mounting Block: Yes

• Mounting Block Material: Billet aluminum

• Starter Rotation: Standard

• Finish: Natural aluminum/black

• Gear Reduction Ratio: 3.73:1

• Maximum Recommended Compression Ratio: Up to 18.0:1, depending on the engine and installation

• Included Hardware: Mounting bolts and shims

Designed for Performance

The Retno Power Starter combines high-torque starting capability with a compact design to help maximize available engine-bay clearance. The adjustable mounting block provides flexibility when setting up the starter for compatible engine and bellhousing combinations.

Whether you're building a street-performance Chevrolet, preparing a race car, or upgrading an existing engine setup, this mini starter offers a practical combination of power, compact dimensions, and installation versatility.

Applications

Designed for compatible Chevrolet engine configurations, including:

• Small-block Chevrolet (SBC)

• Big-block Chevrolet (BBC)

• Compatible Chevrolet V6 and V8 engines

• 153-tooth and 168-tooth flywheel/flexplate setups

• Street-performance and racing applications

• Custom performance engine builds

Fitment Note: Verify your flywheel or flexplate tooth count, bellhousing, mounting pattern, starter clearance, and engine configuration before ordering. Compatibility may vary by application.

Retno Performance Technology

At Retno, we take pride in the quality and performance of our products. We stand behind every product we sell and are committed to serving racers, engine builders, and performance enthusiasts with dependable components for their projects.