Dual Spring Kit w/ Titanium Retainers – Toyota | FR-S 4U-GSE

High-performance dual valve spring kit with titanium retainers for Toyota | FR-S 4U-GSE, improving valve control, high-RPM stability, and durability.

Attributes
Spring Type	Dual Valve Spring
Seat Pressure	87lbs @ 33.50mm
Retainer Material	Titanium

Specs
Outer Spring Od	30.20mm
Outer Spring Id	22.20mm
Inner Spring Od	22.20mm
Inner Spring Id	16.80mm
Seat Pressure	87lbs @ 33.50mm
Open Pressure	212lbs @ 10.00mm
Max Lift	15mm
Coil Bind	18.50mm
Safe Rpm Limit	8000
Retainer	ret-h1000-brz
Retainer Qty	16
Seat Locator	seat-h1002d-brz
Seat Locator Qty	16
Kit Spring	spr-h100dr
Rate	12.50lbs/mm
Kit Spring Qty	16