Dual Spring Kit w/ Titanium Retainers – Nissan | TB48

High-performance dual valve spring kit with titanium retainers for Nissan | TB48, improving valve control, high-RPM stability, and durability.

Attributes
Spring Type	Dual Valve Spring
Seat Pressure	102lbs @ 39.00mm
Retainer Material	Titanium

Specs
Outer Spring Od	30mm
Outer Spring Id	21.80mm
Inner Spring Od	20.20mm
Inner Spring Id	15.50mm
Seat Pressure	102lbs @ 39.00mm
Open Pressure	221lbs @ 10.00mm
Max Lift	16mm
Coil Bind	22.70mm
Safe Rpm Limit	8000
Retainer	ret-h60/t1
Retainer Qty	24
Seat Locator	seat-tb1020d
Seat Locator Qty	24
Kit Spring	spr-h1020+2024
Rate	11.90lbs/mm
Kit Spring Qty	24