Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16

Description

Upgrade your valve train with Supertech Dual Valve Springs for the . SPR-H1021D-16 fits the and is sold as a 16-pack.

Supertech Dual Valve Springs feature an inner and outer spring nested together, dramatically increasing the installed spring pressure and surge resistance needed for aggressive cam profiles and high-RPM operation. The dual spring design reduces valve float and improves valve control at the top of the RPM range, making them the go-to choice for forced induction builds, race engines, and any application pushing past factory cam specs.

Supertech Dual Valve Spring Features:

• Matched inner and outer spring pair for optimal performance
• Increased installed seat pressure over OE single springs
• Eliminates valve float at high RPM
• Required for aggressive aftermarket cam profiles
• Precision wound for consistent spring rate