Supertech Single Valve Spring Kit w/ Titanium Retainers Nissan Skyline RB25 w/ Hydraulic Lifters | SPRK-2081-RB25 vendor_Fuelab Made from aerospace-quality material with

Made from aerospace-quality material with 12-point style heads

304 Stainless Steel Construction for corrosion protection in harsh conditions

We currently offer our 4140 Forged Steel Flywheel with this unit to ensure durability in extreme racing conditions

The Bilstein B8 TerraSport direct-fit shocks are engineered to increase ground clearance while significantly improving off-road capability and everyday ride comfort for CUVs

Each kit comes with all the hardware you need for a quick and easy installation

Supertech Single Valve Spring Kit w/ Titanium Retainers Nissan Skyline RB25 w/ Hydraulic Lifters | SPRK-2081-RB25 vendor_Fuelab Made from aerospace-quality material withVehicle Fitment Nissan RB25 DOHC 24V engines Nissan Skyline RB25DET hydraulic lifter applications Nissan Skyline R33 RB25DET (non NEO hydraulic lifter cylinder heads) Does NOT fit: RB25 NEO cylinder heads Solid lifter conversion applications The Supertech SPRK 2081 RB25 Single Valve Spring Kit is designed for Nissan RB25 DOHC 24 valve engines equipped with hydraulic lifters. This performance valvetrain upgrade improves valve control, reduces the risk