Quicksilver 8M0120862 Valve Spring Kit for 357 CT Circle Track Iron Heads

The Quicksilver 8M0120862 Valve Spring Kit is a factory-correct replacement valvetrain component designed specifically for the Quicksilver 357 CT Circle Track crate engine equipped with cast iron cylinder heads. This kit features beehive-style valve springs, which provide superior valvetrain stability at high RPM while reducing overall spring mass for improved performance and longevity.

Key Features:

• Direct-fit replacement for the Quicksilver 357 CT Circle Track crate engine with cast iron heads
• Beehive valve spring design for improved high-RPM valvetrain control
• Maintains compliance with factory-sealed engine specifications, keeping the engine within sanctioned circle track racing rules
• Restores original valvetrain geometry and spring rates to OEM standards
• Genuine Quicksilver part — engineered to match the exact performance requirements of the 357 CT platform

This valve spring kit is the correct OEM-spec replacement for racers and engine builders looking to refresh or rebuild the valvetrain on their Quicksilver 357 CT crate engine while maintaining sanctioning body compliance. Use Quicksilver part number 8M0120862 to ensure proper fitment.