The Proform 66961C is a high-strength steel distributor gear designed for use on both small block and big block Chevrolet V8 engines. Precision-machined for consistent gear mesh and timing, this gear is ideal for performance or replacement use where a 0.491-inch distributor shaft is present.

Key Features:

• Compatible with Chevy small block and big block V8 engines
• Fits 0.491-inch diameter distributor shafts
• Manufactured from durable steel for long service life
• Precision-machined to ensure proper gear engagement
• Ideal for high-performance or standard engine applications

Specifications:

• Material: Steel
• Shaft Fitment: 0.491 inch
• Engine Compatibility: Small Block Chevy / Big Block Chevy V8
• Use: Distributor gear replacement or upgrade

Applications:
Perfect for engine builders and performance enthusiasts using a Chevy V8 platform. Whether it's a replacement for a worn gear or part of a fresh ignition setup, the Proform 66961C ensures consistent and reliable distributor function.