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Speed Pro engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Speed Pro lineup with fast shipping and expert fitment support — order with confidence.
Upgrade your large-bore V8 engine with the Speed Pro 4.350 bore piston ring set. Engineered for demanding applications, these file-fit rings offer the flexibility needed to achieve the perfect ring gap for high-compression or power-adder setups. The ductile iron base material provides exceptional durability against fatigue, while the plasma moly coating ensures a rapid, effective seal against the cylinder wall, reducing friction and oil consumption.
These rings are the gold standard for builders who require reliable sealing in large displacement engines. By allowing for custom file-fitting, you can optimize your engine's performance based on your specific operating temperatures and power levels. The 1/16 x 1/16 x 3/16 configuration is optimized for modern performance pistons, ensuring compatibility with a wide range of aftermarket rotating assemblies. Whether you are drag racing or building a high-torque street machine, these rings will help you maintain consistent power output throughout the rev range. Rely on GGCRACING for all your engine component needs and get the parts that help you win.
Other popular Speed Pro products customers consider together:
Speed Pro engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Speed Pro lineup with fast shipping and expert fitment support — order with confidence.
Upgrade your large-bore V8 engine with the Speed Pro 4.350 bore piston ring set. Engineered for demanding applications, these file-fit rings offer the flexibility needed to achieve the perfect ring gap for high-compression or power-adder setups. The ductile iron base material provides exceptional durability against fatigue, while the plasma moly coating ensures a rapid, effective seal against the cylinder wall, reducing friction and oil consumption.
These rings are the gold standard for builders who require reliable sealing in large displacement engines. By allowing for custom file-fitting, you can optimize your engine's performance based on your specific operating temperatures and power levels. The 1/16 x 1/16 x 3/16 configuration is optimized for modern performance pistons, ensuring compatibility with a wide range of aftermarket rotating assemblies. Whether you are drag racing or building a high-torque street machine, these rings will help you maintain consistent power output throughout the rev range. Rely on GGCRACING for all your engine component needs and get the parts that help you win.
Other popular Speed Pro products customers consider together:
