Supertech 55lb Single Valve Springs Set of 16 for Toyota 4A-GE 4AGE 16V Skyline R33 GTS-T RPM operating range 2200 -

RPM operating range 2200 - 7000

Part Number: AF450-06-15M

Part Number: AU5366

Black FinishFemale -10AN tube nut end to 5/8" (15

2014 AUDI RS5 4

Supertech 55lb Single Valve Springs Set of 16 for Toyota 4A-GE 4AGE 16V Skyline R33 GTS-T RPM operating range 2200 -Supertech 55lb Single Valve Springs for Toyota 4A GE 4AGE 16V * Set of 16 * Brand: Supertech Manufacturer's Part Number: SPR TC25S 16 Stealth Ride Part Number: SPR TC25S 16 UPC: Description: Supertech valve springs are made with premium Super Clean Chrome silicon Vanadium Steel alloy for the highest performance and durability at high rpm's. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams