PROFORM 66257 High-Torque Mini Starter for Pontiac/Oldsmobile V8 with 3.75:1 Gear Reduction

Upgrade your Pontiac or Oldsmobile V8 ignition system with the PROFORM 66257 High-Torque Mini Starter. Designed for dependable engine cranking, this compact starter combines high-torque performance with a 3.75:1 gear-reduction ratio to help turn over high-compression and performance engines more effectively. It is engineered for applications using a 166-tooth flywheel and provides a practical solution for street, strip, and custom automotive builds.
The PROFORM 66257 features an adjustable mounting block that helps accommodate different installation requirements and provides greater flexibility when positioning the starter around headers, exhaust components, and other underbody obstructions. Its mini-starter design supports improved clearance while maintaining the cranking power needed for Pontiac and Oldsmobile V8 applications. The durable black-painted finish adds corrosion resistance and complements a wide range of engine compartments.
Built for performance-focused installations, this PROFORM starter is supplied as a complete unit for straightforward replacement or upgrade use. Confirm compatibility with your specific engine, flywheel, bellhousing, and mounting arrangement before installation. The PROFORM 66257 is not air restricted and is not designated for truck-freight-only shipping, making it suitable for a broad range of automotive projects requiring reliable high-torque starting performance.

Features:

• High-torque mini starter designed for Pontiac and Oldsmobile V8 engines

• 3.75:1 gear-reduction ratio supports reliable cranking performance

• Adjustable mounting block provides installation flexibility

• Compatible with 166-tooth flywheel applications

• Black-painted finish offers a durable, professional appearance

• Compact design helps improve clearance around headers and exhaust components

• Supplied as a complete starter assembly

• Part Number: 66257