The Valve Spring Kit for LS Engines (.600" Lift Rated) is designed for high-performance applications, offering increased durability and support for high-lift camshafts.

The Valve Spring Compressor Tool fits LS1, LS2, LS3, LS6, LSX, LQ4, LQ9, and 4.8–6.2L engines, enabling easy valve spring removal and installation.

The Ferrea Single Valve Spring Kit for the Nissan TB48 (Part #KT4056) includes 24 high-performance valve springs designed for high RPM and boost applications.

The Ferrea Dual Valve Spring Kit for the Nissan TB48 (Part #S10114) includes 24 high-performance dual valve springs designed for turbocharged applications, offering enhanced valve control and durability.

Supertech Dual Valve Spring Kit for TB48 (SPRK-H1020-2024) is a high-performance set designed for high-RPM and racing use with up to 16mm lift.

Supertech Dual Valve Spring Kit 2JZ Drag Only, Set – High-performance dual valve springs and titanium retainers designed for 2JZ engines in drag racing applications.

Supertech Dual Valve Spring Kit for 2JZ – High-performance dual valve spring kit with titanium retainers, designed for Toyota 2JZ-GE and 2JZ-GTE engines, offering 91 lbs seat pressure and 12.90mm max lift.

The Melling LS Beehive Valve Springs offer a robust 145 lb of pressure at 1.800 inches, designed for performance applications and sold as a set of 16.

The Melling LS Beehive Valve Springs provide 135 lb of pressure at 1.800 inches, ideal for high-performance applications, and are available as a set of 16.

High-performance dual valve spring kit designed for LS engines, delivering 160 lb of seat pressure at 1.800" installed height—ideal for upgraded camshaft applications.

Melling LS Dual Valve Spring Kit, providing 151 lb of seat pressure at 1.800" installed height, designed for high-performance camshaft applications and improved valve control in LS engines.

Melling LS Dual Valve Spring Kit, delivering 147 lb of seat pressure at 1.800" installed height, designed to support high-performance camshaft profiles and provide superior valve control in LS engines.

High-quality dual valve spring kit for LS engines, providing 125 lb of seat pressure at 1.800" installed height—suitable for mild performance camshaft upgrades and reliable valve control.

Melling LS Beehive Valve Spring Kit, offering 145 lb of seat pressure at 1.800" installed height, designed for enhanced performance and better valve control in high-revving LS engine applications.

Melling Valve Spring Kit LS Beehive, 135lb @ 1.800" – high-performance beehive valve springs for LS engines, rated at 135lbs spring pressure.

Melling LS Beehive Valve Spring Kit, providing 130 lb of seat pressure at 1.800" installed height, designed for improved valve control and performance in LS engine builds with moderate camshaft upgrades.

The Ferrea Single Valve Spring TB48 (Set of 24) delivers high-performance valve control for Nissan TB48 engines, ideal for high-RPM applications.

Ferrea Single Valve Spring Kit for Toyota 2JZ-GTE, set of 24, PAC alloy, designed for high-performance applications up to 1,200 whp, requires separate titanium retainers.