Internal Engine Parts

Pioneer Automotive Industries offers a comprehensive line of Engine and Valvetrain Components including Engine Valve Springs, Retainers, Shims, Keys, Valve Seals and Guides, Rocker Arms and other components as part of a complete 8000+ part number Engine Parts Program.

• High quality engine replacement parts trusted by professional engine remanufacturers for decades.
• Precision OE manufacturing methods and high grade raw materials ensure reliable and long-lasting components.
• Extensive coverage for most commonly rebuilt valvetrains and engines.
• Select part numbers available in kits for individual users and bulk pack quantities for engine rebuilders.